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Reviews

 

Audiophilia Review ~ Alan Maher Power Enhancer and Studio Reference Junior Power Cable: Roy Harris

Audio Asylum Review - First Look/Listen to Alan Maher Designs PE-IV: Chris da Costa

Audio Circle Review - Alan Maher's Power Enhancer: Philip Lemanski

Audio Asylum Review: Sherod

Audio Asylum Review - Alan Maher Designs Power Enhancers Power Conditioner/Surge Protector: Chris da Costa

Audio Asylum Review - Alan Maher Designs Power Enhancers Power Conditioner/Surge Protector: Craig Robinson

 


 

"I just came back from a short listening session.....OMG....WOW.....I have had the three PE V Pro IEC's in for four days....All I can say is that the

blackness of my bacground is like sitting in the eye of a hurricane. I have never heard anything even approach the noise floor that is being portrayed." ~ Paul Rodier

 


 

"I just got the PE V S/AC from Alan that replaced a PE II.  It's a no brainer.  Snatch these up before the price goes up.  Alan's products are the best parellel conditioners I've used so far." ~ Jeffrey Lazicki

 


 

PE V Pro:

 

"It Is Awesome !!!" ~ Tim Dube

 


 

Reference Power Cable:

 

"I have only used this cord with my ARC SP16 preamp. I have been looking for awhile now for a reasonably priced power cord (in the scale of my system) for this application. I had tried a number of contenders but always came back to the stock power cord, preferring it's ability to impart what seems to me to be a sense of life to recordings. Yours is the first to preserve this, while improving upon the stock cord in other areas. There was a slight sense of extra hardness to the sound of struck cymbals that is now gone. Also plucked bass which used to lose some definition at the lower range of the instrument is clear and defined from top to bottom. Overall there is a little more there there and that is not a small thing.  Aside from sounding absolutely abysmal for the first several days this is a wonderful product." ~ David Leap

 


 

"Hi Alan,

Just a short note: Received the box yesterday, didn't expect the PE II, III and IV all at one time, was thinking they would trickle in. Polished the blades and plugged them into the one week old modified Hammond power strip. A half hour later, no bass; the subwoofer didn't seem like it was turned on but was also getting more body and detail from the main speakers. One day later, bass is back plus there is an increase in spaciousness, even noticeable from outside the room in the hallway. A bit of in room listening (I guess you've got to do that sometimes) shows more depth, a fuller arc of placing sounds from the left to right speakers and more clarity (like less mechanical sounding and more of the sound of gorgeous music). This last point shows in a dropped volume with no loss of info or satisfaction - even on a TV show - and the fact that, right now, the music is playing in the living room and I'm on a bedroom computer and the sound is just killing me - I need to get off this PC and enjoy listening. What the future brings as your units break-in, well, we'll see.  Lovin' it!" ~ Todd Southworth

 


 

"Hi Alan

The PE made a tremendous improvement to my system. I plugged it into an outlet on the Monster Power Center and let it sit about 2-3 days before trying to listen to anything. I fired up the system and took a listen, pessimistically expecting to hear pretty much what I always hear. Wow! I was bowled over with the improvement that this affordable tweak wrought from my system. It's like having living musicians inside the room. Everything improved; the clarity, the timbre, the detail, even the sibilance I heard before is pretty much gone, even with massed strings. I had been planning to replace my speakers, but now I’m not so sure; you may have saved me a lot of money!" ~ Chris Porada

 


 

"In my previous emails i was trying to make sure you know just how impressive the pe iv is in my system. it has extended the life of my amps my making them smoother and easier to listen to. the natural way in which detail is delivered makes my earlier efforts to accomplish the same results with the harmonix 999's seem midguided. (they improved detail and soundstage but at a cost of ultimate volume, harshness when louder and loss of mid bass info and at over 10x the cost). the pe iv has improved the system across the board. the one area you didn't tell me would improve so much was lower bass; it now has way more definition and fullness. From top to bottom, I am enjoying music on my system more than ever!" ~ Robert Pachner

 


 

"From the day of installation, the PE IV has made a positive impact on my sound system. Currently I have the PE IV and PE upstream of my HIFI system and another PE downstream that is connected in series (same outlet) with my sub. Previously I was using a PS Audio Ultimate Outlet (UO) to power my HiFi rig. The UO did clean things up, but I also found it to be a little subtractive in terms of dynamics. With the PE products in use I find no need for the UO. The PE products have obviously cleaned up my mains without any sonic penalty. In fact my HiFi rig now sounds much more toe tapping dynamic with improved non fatiguing clarity and texture to the sound. Great products!" ~ Glenn Hughes

 


 

“Your PE made across the board improvements in my system immediately after installation, and things have only gotten better. I cannot not believe what a dramatic effect this little device has on my sound….it is nothing short of amazing! I have & will continue to enthusiastically recommended your PE to my customers.” ~ Robert Fritz

 


 

"Sorry that I have not gotten back to you with my read on the PE IV, as usual no time for audio, so I decided to offer my impression of our bedroom system, $10,000 worth of retail leftovers and your latest and greatest!!!  The bedroom location in the house is furthest from subpanel, 60 feet or so, and on the opposite phase from audio system.   As a reminder, my home is still wired with the 1950's style of wiring three pronged duplex outlet that I had installed four years ago.  

 

Video duplex: upper receptacle has a RGPC 400 installed, plugged into the 400 I have 2 Hammond 193M chokes, a PE, and a PE IV.  Plugged into the lower receptacle I have a Sound Application 12XE, I also have a PE plugged into the 12XE and my Sony 34XBR960, Directv HDDVR, Verizon HDDVR, Dish receiver, Quantum Symphony PRO.  All power cords used are KK Palladians, I also have Z-der blocks plugged into HDDVR's with 193L's and liberator cable for added filtering.  Everything was superb before the chokes and PE IV were added, after, the picture quality of the SONY was incredible, perhaps the best picture short of a pro monitor.  First, the 193L provided a nice improvement.  Second, the 193L offered even more of an improvement, really looking good, to my directv, which looks about as good as Fios before the additions (Fios adds no compression).  Next, I added the PE IV to the RGPC, I had a PE into it several days earlier....WOW....major, dude.....took out the PE IV and replaced with a charged PE, I aborted this after a day since I was no longer emotionally drawn into the experience.  Swapped the PE  with the IV and immediately the magic had returned, a day later it restored the video quality to my reference level experienced a few days prior!!!  I cannot even fathom what this will be like in the audio, awaiting four more plugs and a few liberators totaling 12 chokes and accessories!!!  I got four M's...lol... I guess the PE IV stays with the video :-)  The IV is really good. Video is more objective......how black and clear can a picture get?  I thought I had maxed it out a year ago...WRONG....I do have many PE's on the video phase to keep you up to date!" ~ Paul Rodier

 


 

"Hi Alan

I was going to let it settle in some more before commenting, but I can say it is settling in quite well! It arrived on 1/7, so it hasn't been in for a week yet. Some of the highlights are:

Overall, my system is more revealing - more detail in the upper and mid ranges - lots more!. Haven't noticed as much in the bass, but that could be because my speakers are set to 'small' for HT so most of the bass goes to the sub which is on the same circuit as the PE IV, but not the same duplex. I have the PE I in the same duplex as the sub.

I'm listening at lower volume levels since I don't have to push my speakers as much to get the most out of them. Right now, I'm listening at about 2/3rds of the volume I used to.

I'm rediscovering 2 channel listening since it has substantially increased the sound stage. Don't need to listen through 5 channels to feel I'm 'right there' - can get the same feeling on 2 channels. It sounds so much better that I'm thinking of setting up a zone B parallel system with a tube amp with a phono input and dedicated speakers to fully appreciate 2 channels.

Finally, video. Really didn't see how there could be an improvement over the PE I, but I was pleasantly surprised. Colors are so much richer, picture is clearer. All I can say is WOW.

You've got one happy customer here!" ~ John Reiber

 


 

Day 1:

 

"I received my PE IV, same size and feels the same weight as the other PE's. Well of course the first thing I did was polish up the AC pins with 000 grade steel wool and cleaned them up with ProGold GxL. To reminice, I have 1 PE II in the first of 5 duplex's on the back of my BPT with PE's in the other 4. i had a PE sharing the duplex with the BPT power cord. These 6 duplex's are all the primary outlets in my system all tho i do have a power strip on the 5th duplex of the BPT for more outlets that the 5 PE's took away. I have 5 more PE's scattered around the house on nonaudio circuits and they're sharing duplex outlets with household appliances(refrigerator, air purifiers, water purification system, dimmer torch light, microwave oven). The best benefit i've received from all these PE's is the ability to crank up the music w/o listening fatigue. Music is less edgy, more natural, and just flows more smoothly w/o rounding anything off. the highs, low, mirange all sound totally coherent.

OK, now to the PE IV. I placed the PE IV in the shared dedicated duplex with the BPT and as has been the case with most of the PE's, it took about 20 minutes to hear an improvement, and not subtle by any stretch of the imagination. The only time I haven't heard an improvement withing 20 minutes was when i plugged the PE II in this Dedicated duplex with the BPT. I waited for 2 weeks before finally moving it to the first duplex of the BPT that's shared with my main Butler amp. Here I received a sharper image, a definite improvement fom where I first had it. So when I placed the PE IV in the dedicated duplex, i wasn't quite sure where else to try it if nothing happened cuz this duplex is really the only point of entry before my BPT balanced power conditioner, all my other dedicated circuit outlets are after the transformer. Anyways I was worried for nothing, even if Alan himself didn't recommend the PE IV for my system. First, the negative that I've already found and there's really only 1, I find myslef not wanting to crank it up anymore,,,, hopefully this'll pass. Simply put, there's so much micro-definition that turning up the volume tends to hide it again. I find myself enjoying all these little nook & cranny's that much more at a lower volume. Really good stuff. I would say the PE IV,,,, for ME in MY system,,,, add more inner detail, not to be confused with a higher clarity mind you, but just more inner detail, mostly in the midrange but also in the highs. I have a ACI Force XL subwoofer and I didn't really notice any change in the already excellent tuneful bass.

 

So there you have it. I've been in the middle of a power cord upgrade from my VH Audio Flavor 1 & 4 power cords (you can expect them up for sale within the next few weeks or so) and have zeroed in on 2 brands for my Sunfire TG4 processor and 2 Butler Audio tube hybrid amps. All these PE reflections were done with these 2 brands of demo cords out of the bunch I've had the opportunity to try out. Too bad I couldn't get Alan to let me demo his cords, especially if they compound what the PE's are already doing but being it's a 3 cord change i was asking for a lot. Anyways, You won't be getting this PE IV or any of my others back Alan and people: stop asking me if I want to get rid of any PE's it ain't gonna happen!

 

Day 2 Follow Up:

 

...Volume back up and the notes are still a'lingering,,,, simply too cool.

 

Day 5 Follow Up:

 

Well it's been 5 days since I installed my PE IV and I can truthfully say my system has reached another level of intimacy that I've never experienced before,,,,, even when I've heard other folks systems. I've heard better systems mind you,,,,but not with the intimacy that mine has started to desplay. And I attribute it all to BPT, Ridge Street Poiema!!!, Crystal Cable Digit, Kubala-sosna Emotion PC & Bolder cable Golden Bybee PC, Bybee adapters, Z-Sleeves,,,,,,??????? Nope! Sure they all play a part but here,,, now,,, in this thread,,, ALL the credit will go to Alan Maher's PE's and particuliarly his PE IV. I'm placing another order Alan for your PE IV...The most intimate details that are being derived from having this PE IV in front of my BPT is so startling apparent,,,, it's sick." ~ Robin Bombard 

 


 

"Hello Alan,

I have been running your standard PE for 2-3 days now and from the first minute, I was blown away by the improvement this little unit yields....its fantastic, thank you very much....!

I have just built a new mid-fi system with about $12,000 of well rated components. The system has been frustratingly quite unsatisfying to me and I preferred listening to my buddies $3,000 system! Although highly detailed and accurate, the system had HF glare which made audience applause quite painful and a lack of body and bass presence (even with a Spectron 650w amp!). The first major improvement came with the addition of a Burson buffer and the second came with your PE. The PE improved the bass presence enormously and made the HF glare much more endurable and smoother while rendering more detail from the lowered noise floor. The system is now finally starting to have synergy and make real music. The TV and video performance is also much improved with more vibrant and realistic colors, depth and texture." ~ Mark Owen

 


 

"Hi Alan - I'm playing around with different configurations (currently both PE and PEII on the same circuit so I'm not sure if it's only due to the break-in on the II but the bass is slightly stronger and more defined and treble seems a little reduced in amplitude. The treble reduction was a plus as it seemed very slightly overdone before. Still a very clear and extremely positive impact on the noise level and clarity. Great product Alan!" ~Bert Siewert

 



"Alan,


My Power Enhancers are settling in very well. This is day 23 of their break in. Things improved very audibly through the first 12 days and since then I have been enjoying what seems to be a bigger soundscape than before. Initially, I used a group a CDs and LPs that were problematic in my system. Gradually these recordings became more listenable. Good recordings seem even better to me.

I am impressed and am hoping there is more to come in the break in period. I will be ordering some more Power Enhancers next month." ~ Dale Corning

 



"Hi Alan,

 

The PE and Studio Reference Power Cord have finally settled down. I actually went away for about a week while letting both the PE and Studio Reference break in. When I came back from my trip, the first impression was the system sounded very good, much better then the week before. Everthing was there, silky smooth high, liquity mids and punchy lows.  Alan I was thrilled, I am getting holographic images for first time in my system. It took me a while to realise the noise floor has decreased tremendously couple by reinforcement of all the frequencies. I am not really sure how to described it, but everything seems to have more body. Instruments became almost palpable, vocal to die for, bass rounded and punchy. I have all 6 PE's plugged in.  The Studio Reference were used with the CD transport and DAC." ~ Brian Chiou

 



"Hi Alan, I am very pleased thus far. I am hearing little improvements even now. I may be getting some more in the near future (Probably after the holidays)  I cannot thank you enough for this tweak." ~Kevin Turner

 



"Superb unassuming product,  performs beautifully.  Will order more of these wonderful PE's." ~ Peter Taffe

 


 

"Ok - I have had it in the system for several days now and listened once or twice. It seems the noise level went down so low that I picked up some output tube noise in one channel of my headphone amp! I replaced the tube and the noise cleared up. What I was left with was a rather stunning improvement in overall sound quality! I can't wait to hear PEIII....I don't know how you're going to improve on the II." ~Bert Siewert

 


 

"Hi Alan,

 

It has been 7 days since the installation, and these 2 PE's are phenomenal!! They have improved both audio and video on my 2 systems. Every thing sounds/looks better." ~ Kevin Turner

 


 

"Hi Alan,

 

I've been meaning to get back to you, but I have a new job and have been on the road a lot, so I have not had a chance to give you feedback. The PE is working very well in my system. Tonally, there is a better sense of realism" to performances, along with better imaging and more bass!  It's even apparent (except for the imaging) when I am sitting in another room using my system for background, so I'm thinking about ordering another one.  When I get some time, I will have to leave feedback for you on AudiogoN.  A very impressive "tweak"!" ~ Glenn Kistner

 


 

"After using the PEs for two months now, I realize that my audio system has become very consistent -- it always sounds great. Before using the PEs, the sound would vary quite a bit day to day. My usual conclusion was that static buildup was the problem, a theory supported by the fact that unplugging power cords or playing sweep tones would help. With the PEs, I rarely do this now and mostly out of habit. I consider the PEs to be indespensible." ~ Philip Lemanski

 


 

"When the 9 PE’s were first installed, it was very much like other users described as “a rollercoaster ride”. After they are broken in, everything changes dramatically. Soundstage becomes deeper and wider; noise floor is much lower than before. Now, I can hear details that I have never heard before in my system." ~ Huang Chun-Ying

 


 

"Alan,

I got a chance to listen for a while yesterday. The filter does work very well here. What I'm hearing is the ability for subtle textures from top to bottom to be reproduced that were lost in the mix before. These add a lot more realism to the presentation. It sounds great to me and am very happy with the very high bang for the buck factor." ~ Keith Lockwood

 


 

"I must start by stating that I have not ever dabbled in power conditioning of any sort before. I have contemplated doing so many times in the past but have always been scared off by people, whose opinions and experiences I value highly, confirming that there is some bad to go along with all the good characteristics with addition of power filters or conditioners. My system is giving me immense pleasure as it sits today, and has for last couple of years… this position is hard to attain and maintain as there is always something newer, bigger and better being hyped. Power conditioning appeared to be ‘lateral’ exercise in advancing my system, so I figured why bother drop my cash on hardware instead of CD’s and LP’s. I do have a dedicated audio circuit with isolated ground in my home and many will tell you that this is best ‘tweak’ you can do for improving your home stereo experience. That being said, I came upon forum thread that talked about Alan Maher Power Enhancer filters and, seemingly did not have any negative side effects or compromises in stereo presentation. All this for only a few dollars! So little money and a trial/return policy set me off, once again, to contemplate giving power treatment a go. Fast-forward to point now, Alan Maher did send me a PE, PE II and a Limited Edition PE (LEPE) to try out. After many email exchanges, follow-ups and experiments I must say ALL 3 filters are keepers. After a week or so of experimentation, and then settling upon power outlet locations for filter installation, I must say these filters are settling in VERY nicely.

 

The LEPE is very powerful and it’s positioning plays significant part in sound of stereo. I find that if installed in same outlet as stereo amp that it may be just a tad too warm and maybe a little exaggerated in sound stage (I have Audiomat tube amp). This is cool if it is desired goal though.

 

The PE installed concurrently in same circuit upstream though, seems to temper these traits a notch and the result is stunning! I have to swap filters with these two outlets this week and see what happens. The musicality of my system that has satisfied me in the past has not been compromised one bit… HIFI ‘tricks’ are not allowed in my set up at the expense of involvement. I get more tactility and sense of space around performers and suffer no fatigue on extended listening sessions. If I remove LEPE from amp outlet, there is immediate drop in dynamics, tactility, and layering. Notably layering and overlapping tones becomes either muddy or 'wandering' ... if this makes sense. Remember, I had no complaints about this aspect before I had heard about PE’s. Also, sound stage shrinks somewhat... especially in depth.

 

The PEII is set up in another circuit that has video plugged into. I sense cleaner pictures with more saturation but I am not into this for video improvements so I am not one to readily assess impacts on screen. I do believe the PEII has benefited 2-channel sound of my stereo in this present position though. Removal of this does signal a loss in all stereo traits listed above but not to same degree as removal of PE on stereo dedicated circuit. I wish to try PE II on dedicated circuit in conjunction with LEPE but I will need to clip plastic bracket on top of box to allow plug in at same outlet as stereo components. My power cord plugs are huge and PEII cannot insert in lower plug as recommended by Alan.

 

 All in all, these filters are the real deal and, it appears, capable of infinite variations for set up to 'voice' my stereo. This fall will be interesting as I will be adding power bar to main system and filter installation on bar itself will present even more possibilities." ~ Cory Kerik

 


 

"It was as described, very much a roller coaster ride for the first several days then everything settled down...lowered the noise floor a good deal...better space/air around instruments." ~ Andrew Graves

 


 

"This is my second transaction with Alan and it went just as smoothly as the first. Alan is great to do business with and offers a very high value product along with very careful follow up. A five star experience." ~ Terry Pellisero

 


 

"The Power Enhancer has to be the most cost-effective power conditioner money can buy. Using one is like having late-night listening quality from your system, but 24 hours a day. If you are an audiophile, you need (at least) one, period." ~ Robert Phelps 

 


 

"This is one of the best investments i've made in my system. Right out of the box i could hear things that i hadn't heard before. I can't wait until it's fully settled in. Communication with Alan was amazing. Thanks again Alan" ~ Malcolm Borshell

 


 

"Hi Alan,

All four PE's have been in my system for about 5 days now. Like you said earlier, it went through a rollercoaster ride. In my system, initially very dull, dark and adynamic, as if life been suck out of my system. I almost wanted to unplug all the PE's, but you warned me earlier to wait it out. A few days later the bass started to improve. Yesterday the highs returned, the dynamic range came back, and the bass now has more control. Nosie floor is much lower, instruments are separated by darker space making them much more realistic. To answer your question, I asked my wife to come in for a listen today. She stared at me after listening for few seconds and asked me what have I done to the system. Then she said don't change anything anymore, this is the best she has heard in my system." ~ Brian Chiou

 


 

"Alan,

During these last few days I have listen carefully my system with your PE already in place. Instead of my opinion, I prefer to reproduce what my friends are saying - "your sound seems more delicate ...", "the strings are sweeter than before"... "the stage is more open..." (it was a musician who said that), "now, I think it's easier to feel each instrument playing without losing the others ...", "I feel as if there was more silence between the tracks...", "now I can hear a little louder without discomfort..."

Are they simply expressing psychoacoustic sensations because they were informed about a new component in the system? Who knows? In between, I have received more observations like "what a good recording" or "the sound engineer has really done a very good job in this CD..."

Generally speaking, I agree with them." ~ Augusto S. de Souza

 


 

"Great seller with excellent communication. Shipping was lightning fast and well packed. There was an immediate improvement of a lowered noise floor with the PE II. I look forward to future products to be offered." ~ Jeffrey Lazicki

 


 

"Alan,

I’ve been listening to a lot of music this weekend thanks to the three PEs. They have removed noise that was causing fatigue and have increased the musicality of my system. Thankfully, they remove the noise but don’t homogenize the sound -- in fact, with the bass cleaned up music is more dynamic, more like live music. Likewise, the cleaner HF sounds more like live. Seems that voices are also a touch more natural.

As you suggested, I now have one PE in each dedicated outlet and one in the Equi-tech balanced power unit. I appreciate the excellent advice. Thank you!" ~ Philip Lemanski

 


 

"Hi Alan,

I wanted to give you some feedback about my impressions regarding the PEs. To give you the proper context, here is a brief description of my setup:

I have a dedicated power line with PS Audio outlets. All my equipment is connected to a PS Audio Quintet power conditioner. Cabling is a combination of DH-Labs and PS Audio Statements. Source is a Slim Devices Squeezebox, connected to a Musical Fidelity xDAC V3 with external PS; Amplification is Musical Fidelity A5 integrated; Speakers are Von Schweikert VR4-jr. Nothing esoteric but great bang-for-the-buck gear that allows me to enjoy the music without entirely sacrificing the kids’ college fund! And, more importantly, neutral and revealing enough to transmit the effect of changes in the chain.

Following Alan’s suggestion, I plugged one PE into a spare outlet on the duplex, the other into the Quintet. Cutting straight to the chase, the effect was immediate and startling! I did not experience the initial stage of “awful” sound that others have warned about. Most noticeable was a dramatic jump in dynamics – music sounded, literally explosive to the point I half expected the VR4 woofers to launch themselves across the room! Everything, from the impact of drums to the transient snap of guitars to the absolutely HUGE vocal presence, was almost unbelievable in their intensity. The sound seemed to change a bit from day to day for about 3-4 days but it was never awful. After the fifth day on, the sound seems to have stabilized a great deal. Apart from dynamics, the other big improvement is in the area of overall refinement – Even “splashy” recordings are easier to listen to, which is great, given their preponderance.

I’m not much of a videophile, but it certainly looks as though picture quality has improved as well. I noticed for the first time in Toy Story 2 that Woody’s horse, Bullseye has a cloth-like texture.

What can I say – this is probably the best $160 I have spent on my audio system (well, a set of SoundCare “spikes” for my VR4-jr rank as the absolute best improvement I have perceived from a tweak but the PEs are nipping at their heels). There is no question that the PEs are getting rid of garbage that allows the system to perform closer to potential.

Fabulous achievement, Alan! I look forward to more great things!" ~ Shiv Raman

 


 

"I'm extremely satisfied with the P.E.s' performance. I am using them in three locations. A two channel audio only system, a 5.1 channel home theater, and a two channel bedroom television system. In each of the first two systems I have multiple dedicated lines feeding the components (eight in all). In this situation using the typical AC filtration products would not be cost effective due to the large number that would be required. Your P.E.s' , in conjunction with Hammond chokes, have made dramatic improvements in every application in which I've tried them. As I currently only have three I've had to move them from system to system rather than leaving them in place.

I live a few blocks from UC Berkeley, so I suspect the power feeding my home is probably subject to above average interference, which may, in part, explain the very dramatic improvements I've experienced. In my stereo system (Sonus Faber Cremonas, ARC SP16, ARC VS55, Quad CDP99, VPI 19 III/ET II/Music Maker III) the difference was revelatory. Space clarified in all directions, width, depth and height. Sounds became more natural, dimensional and apparent. These differences were not small and completely out of scale with their modest cost.

In my home theater (Fujitsu 50" plasma display, B&K 507II, Vienna Acoustics Weberns, REL Storm, Pioneer DV47A) the improvements were significant as well. I had always felt that dialogue from DVD's could be clearer on my system. I had made incremental improvements utilizing cabling, isolation from vibration, careful placement and equalization. but in some situations speech still lacked clarity. Your product resolved this issue. Now whispered dialogue and speech that is hurried, overlapping, or just plain mumbled, is easily discernible. Additionally, music can be strikingly beautiful and sound effects arresting in a way that they hadn't fully been before. Using these products on the DVD player's line also improved the clarity of my display. I found that the particular grain from various film stocks became more apparent and was easier to discern from video noise.

I should also add that these products work well in conjunction with several other power isolation devices that I currently use. I have a Virtual Mode Clear Power I (with VPI brick) in front of the ARC SP16 and a PAC IDOS before the Quad CDP. In the home theater I use a Clear Power II (with VPI brick) before the display and an Electronic Specialists filter before the source components. In every situation in which I have tried your passive AC products along with the others, the combination was better than either alone. I couldn't be more pleased." ~ David Leap

 


 

"The Power Enhancer is a remarkable product. The biggest bang for your audio buck I can think of. I'll be ordering more. Thanks!" ~ Todd Brown

 


 

"My system is used for both music and HT. System usage is now approx. 60% music and 40% HT. I have been fortunate enough to be able to experience in my system many different products marketed to the audiophile in the last 7 years. I have spent tens of thousands on audio accessories and upgrades. Mainly with cables (power, interconnects and speaker), tweaks of all kinds (isolation, coupling, component mods) and power conditioning. The quest to obtain more from my audio system is my main hobby, as I suspect it is with anyone reading this review. I write very few product reviews. Most of the products I have experienced that I like, have kept in my system or have recommended to a friend or fellow audiophile usually has a questionable value (performance to cost) ratio. So the reason for this review is the PE by Alan Maher designs IMHO represents a very high value, or performance to cost ratio.

Below in the associated equipment you will notice that I own other products by Alan Maher (Studio Reference Power cords) or was a brainchild of Alan Maher (Hammond 193L chokes). On Alan's recommendation and with my permission Alan sent me one PE and one PE II. I have not evaluated the PE II yet. I will try to cover the info that I wanted to know and think you may want to know when contemplating a purchase of this kind of product. As always, the results I received were in my system, my home, YMMV, etc. So here is my experience with the Power Enhancer...

What is a PE and how to install it?:

The PE is an acronym for "Power Enhancer". It looks like a large black plastic Walwart without a ground pin. Weighs ounces and feels fairly solid. Instructions from Alan were for me to plug it into a spare wall outlet in my A/V system's circuit that provided the most pronounced HF tilt. Or, plug the PE into the duplex outlet that my video gear is plugged into. I have a 20amp-dedicated line to my A/V system. This dedicated line consists of 5 duplex outlets wired star clustered (I have no idea how the builders did this). Two of the duplex outlets are not used and have those child safety caps plugged into them. I use Chesky's Critical Listening disk when evaluating any mod, tweak or changes I do to the system. I polished and buffed the blade contacts with 100% ProGold solution. Then as instructed, while the system was playing the above-mentioned Chesky CD, I plugged the PE into all available outlets in the A/V circuit until I found the one that produced the most pronounced HF tilt. This outlet happened to be the same $1 AC duplex outlet that my video gear is plugged into. The main system duplex currently is a Furutech FP-20 and the sub duplex is a P&S cryoed 5262-A.

Is there a break-in or settling-in time?

Yep. After 7 days most of the settling in occurred. It took my system 10 days to fully settle in. As with everything I try that is from Alan, there is a roller coaster ride. From extreme HF glare, to bloated and exaggerated bass, to next to no bass. Then finally it all snaps or gels into place... a very weird experience to say the least. Then again I am used to this roller coaster ride. I experienced a similar roller coaster ride with his power cords and the Hammond chokes. You know the swings and shifts that the system goes through when adding a high-end AC duplex or high-end power cord? To give you a frame of reference of the roller coaster mentioned, the PE settling-in is similar just a bit more dramatic.

What does this PE do to the Sonics of the system?:

To pre-frame, I am an "it is what it is" kind of person. Either I hear and feel (emotionally, how musical it sounds) or I do not. I could care less what is claimed by the manufacturer. At the end of evaluating an audio product there is a pass or fail. I do not like products that take away and provide benefit (which is typical in high-end audio). At this stage with my system, I am less tolorant of compromises.

Anywhos...I did not critically listen to the system until the 2 week period of having the PE in the system. My system before the PE install tilts a tad to the warm side of neutral. This is what I experienced:

* Within minutes I noticed that the system got a tad warmer, a bit more organic without the HF rolling off. This got my attention! When I mention warmer and organic, think a shade more like tube gear. The presentation sounded a bit more musical and involving. More of a harmonic completeness, if you will.

* The presentation from above midbass frequencies is more relaxed, without any detriment to transients or dynamics. Sounds a bit more natural.

* Watched a DVD (Black Snake Moan) last night. Video is improved. Object depth (3-D) is clearer and more pronounced. Close up detail is improved, like a layer of detail is now more apparent. An example would be more depth to the detail on the pores of a close up on an actors face.

* Vocal clarity. I am quite happy with the system before the PE in this area. I have oodles of detail with vocals. After installing the PE the vocals just sounded a bit more real and relaxed. Hard for me to express with words. Even my wife commented in this area.

* Lastly, instruments within the full frequency spectrum sounded a bit more real. A bit more like a live performance vs a good reproduction of the same performance. Timbre is truer.

* No other positive or negative effects to the system.

To summarize:

The effects noted above are very noticeable. Even when I listen to other recordings I am very familiar with. From my experience, the effects of the PE is on a level of a superb interconnect, speaker cable or power cord upgrade. Here is the kicker, $75! I could not find any fault with the PE, needless to say it stays in my system. Actually there is one more in the mail coming my way. :o) The PE is very well received and appreciated by this frugal audiophile. Kudos and congrats on an excellent product Alan!" ~ Chris Da Costa

 


 

"Great service, great communication. Power Enhancer is well researched and designed product which is great value. It works. +++++" ~ Anthony T. Riordan

 


 

"Simply extraordinary follow up before and AFTER the sale. Slick little product, I expect to see some really innovative things from Alan in the next little bit here. Buy with confidence, here is a guy committed to your satisfaction." ~ Christopher Korody

 


 

"I recently have read the many threads on the Hammond 193L/M choke and AC filtering tweaks. Both Alan Maher and Al Sekela have been pretty instrumental in educating me on the subject. Having once seen an Audiogon ad for Alan's AC filtering product, the Power Enhancer, I decided to contact Alan and inquire further. Before we get any deeper into the review, I would like to say that I have tried a few AC filter devices in the past: QRT Electroclear, Audio Prisms, and most recently PS Audio Noise Harvesters. Of the three mentioned, the PS Audio seemed to work best in my system, but they did tend to be somewhat noisy and I could not help but wonder if that noise was creeping back on to the AC line. So I decided after a few email exchanges with Alan to try the Power Enhancers. After all what did I have to lose as Alan offers a money back guarantee?

The Power Enhancer is a parallel series AC filter. The filter has 4 wide band filters installed to offer noise suppression over a wide frequency range. The internal components are hardwired to the ac blades using Cardas 5N silver wiring and WBT solder. The AC Enhancer can reduce and eliminate harmonic noise riding on the A/C circuit up to 50 feet. The filter can be used by itself or to compliment any audiophile PLC on the market. This last point was important to me as I use a Running Springs Haley PLC and a BPT Pure Power strip (non-filtering and with Oyaide GX outlets) as an extension. I have been very happy with the Haley and was not about to give it up, although Alan did mention that a customer replaced his Haley with several Power Enhancers, so that did grab my attention.

After discussing my needs with Alan it was determined I should try 5 Power Enhancers. I do not and cannot have a dedicated line and there are 4 circuits running through my home. One of the circuits is where my audio/video gear is plugged in. There are 7 duplex outlets on this circuit and I use one for the PLC, another for a QRT power strip (for the TV), and the rest are unused. The unused receptacles on the remaining duplexes are plugged with plastic child safety caps that have Golden Sound acoustic discs attached to them (thanks Kenster). Any unused receptacles on the PLC, BPR, and QRT are plugged as well.

I have another circuit with two duplex outlets. One of the duplexes has a refrigerator plugged into one receptacle and the other has a Chang Lightspeed I had lying around plugged into a receptacle. All of my computer related equipment, modem, and routers are plugged into the Lightspeed.

The third circuit has two duplex outlets with nothing plugged into them. Finally, the last circuit has a duplex outlet and controls all lighting, most of which use dimmer switches.

Upon receiving the Power Enhancers I put 3 on the A/V circuit. One on the first duplex in the chain, one on the same duplex as the Haley, and one on the same duplex as the QRT. I also put one Power Enhancer on the same circuit as the refrigerator and computer gear, plugging it into the same duplex as the refrigerator. The last Power Enhancer went on the circuit that controlled the lighting. This one I plugged into the lone duplex on that circuit.

Now it was time to sit back and listen. Alan warned me that it would take a few days for the Power Enhancers to settle in, after which there would be about a two week break in. Immediately I noticed a lower noise floor and could tell the Power Enhancers were better than the Noise Harvesters in this respect. However, I also noticed leaner bass and I was not hearing any additional benefits in imaging and clarity, just a blacker background due to the lower noise floor. However, after a few days things started to change. The bass came back and became clearer and more accurate as the devices broke in. The highs were also clearer and less fuzzy, and definitely the ringing on the AC line was reduced.

One clear indication of the last point is when I played a favorite CD of mine, Steve Kimock Band at Cervantes Ballroom in Denver, CO. This particular live show featured a semi-acoustic set. Previously when listening to one of the tracks there was a very evident and unmistakable ringing during a passage with some high pitched guitar notes. You could hear the ringing even if you weren't listening for it. That is how obvious it was. One day I was listening to the CD and the track came and went, but in doing so I missed the ringing. I thought perhaps since I was doing some work on my laptop at the time I may have been distracted (which never happened before but there is always a first time). So I went back and listened to the track again. Low and behold the ringing was reduced to the point you had to strain to hear it. According to Alan one more Power Enhancer on the circuit will get rid of it altogether.

I cannot say enough about the product. It works as advertised and is better than the Noise Harvesters in my opinion and in my system. I am not certain it is a total replacement for my Haley or a PLC in general, but I will attempt to run the Power Enhancers on their own when I move and set up my new listening room. I'll come back and post my observations at that time. I also intend to try the Hammond Choke with the Power Enhancers as well." ~ Anthony Chipelo

 


 

"Just received the Power Enhancers. My initial impressions are that they're very nice. I noticed somewhat quieter backgrounds, better edge definition, and a reduction in some AC artifacts that, honestly, I didn't know were there until the Enhancer went in. Overall, quite impressive...I compared it briefly with the Noise Harvester, and the Enhancer definitely made more difference...They're a great value and very impressive sonically." ~ Andrew Claps

 


 

"There is only 2 words I can use to describe it ( Simply Amazing )!! Let me just say Alan, that your AC filter made more of a differance than the Hammond choke. I put your filter in my system a week after the Hammond. I put your filter on my preamp, it comes from an isolation Transformer to a DIY power strip and I have the filter pluged into the DIY Power strip, with the other plug going to my preamp. It is more Dynamic, detailed, open, with more air, the subtle clarity really adds to the the already great system. It has really made a very good improvement in my system. You have a very good product at a very good price." ~ Kenneth Tuuri

 


 

“I own a Sony Qualia SXRD rear projection television with 1920 x 1080. I feed it from a Direct TV satellite receiver and use my off air antenna for the local HD channels. Following Alan’s advice on the web I replaced the power cord with a 10ga DIY cord and noticed a fairly dramatic increase in punch and contrast. Again following Alan’s advice, I lined the television cavity with adhesive backed black felt. This increased the black level of the television by reducing light scatter. Last night I tried Alan’s new parallel filter design. Because he said I should use more than 1 for optimum results, I used 2 of them, one on the duplex receptacle that powers the TV and one on the duplex that powers the satellite receiver. I was kind of skeptical and was not prepared for much. There was a dramatic increase in punch, contrast, and detail. There was no downside. Just to be sure I was not seeing things, I called my wife in and asked her if she noticed any difference and she said that she did, and my wife doesn’t care half as much as I do to see any difference. Congratulations Alan on your new filter.” ~ G. Frank Glabach

 


 

"I plugged the filters in last Friday. Right away, I can notice that some of the picture outlines are sharper than before, especially when it's broadcast in HD. The colors are more vibrant, especially for blue and green colors on my LCD TV." ~ Chris Chen

 


 

"Just wanted to tell you the one enhancer seems to have broken in and really is fabulous - I can't imagine anything that could come close to improving the sound as much for the price of this enhancer. It's very open, clean, extended and quiet. I will probably try the 2nd one on the power strip this week and see if it gets even better or if it's too much (as you say it might be). Pretty amazing!!" ~ Samuel Dipietrantonio

 


 

“Adding your PLC’s made the colors on my 18 year old Mistubishi TV more natural and sharpened the image significantly. It’s much easier for my old eyes to read on-screen text without my glasses. My two channel audio system benefited from a noticeable improvement in clarity and detail. I have tried quite a few parallel power conditioners (PS Audio Noise Harvesters, Blue Circle B86, Quantum Electroclear, Audioprism Quietlines) and your PLC’s are superior to them all.” ~ James Nancarrow

 


 

"I currently have five of them. I have had these Studio Reference power cables in my system for a little over two months now. And am eagerly waiting to install four more. I use the five I have now on the following gear:

* Proceed CDD Transport (modded)
* Proceed AVP preamp (modded)
* from the wall to a Hotbox providing the the juice to three Proceed amps
* from the wall to a Chang Lightspeed 6400, powering the front end gear
* Samsung HD841 DVD Player (modded)

The Studio Reference power cables replaced two VH Audio Flavor 4s, an Electraglide Mini Kahn Plus and an Electraglide Fatman Reference Glide. In my system the change with these new power cords took my system up many notches. It is like I have a new system. Improvements I have experienced were most prominent in three areas, speed, lifelike sounds and vocals. The speed or immediacy of my system is now astonishing. Sometimes this can be truly shocking. This holds true for both music and HT. The system now goes from quiet to loud and loud to quite in a way I never imagined possible. All sounds are also more realistic or believable. The system is just more involving and fun to experience.

Ever experience watching a movie and you stop to listen for more because your brain tells you there is someone at your door, and you think it's not the movie? Or the gun shot sound was so accurate and sounded/felt so powerful you are like whoaaa! Or when an instrument sounds so real you just smile and want to hear more? well this happens frequently now :o)! With the added PE and 193L chokes, vocals are stunning. Vocals improved with better clarity, more layers of texture, and more detail.

By the way, for those of you that do own one of these Studio Reference power cords, and are curious as to what five does versus one, this is what happened in my system... The first (from the wall to the Chang) took my system up a few notches in the above noted areas. Adding more gives more of the above. This is why I want more of these power cords! Remember the ten-day roller coaster ride after installing the Studio Reference? Every one you install will go through that!" ~ Chris da Costa

 


 

"Hi all

For my first ever review: I just wanted to contribute something on what I believe to be a genuine “good value” in audio peripherals.

Alan Maher:

 PE Plug-in Power Enhancers
 Studio Reference Power Cords

I draw similar parallels between Alan’s products and those from Star Sound who brought us the Sistrum Audio Points and racks – audio creations actually based on a legitimate science and technology, designed to be dead neutral, and to bring out the true sound characteristics of main components.

PE Plug-in Power Enhancers

I have had much the same positive experience with the Power Enhancers as other reviews I’ve read; they reduced the noise floor, improved dynamics and soundstage in my two channel system. Simply put: they made everything more natural and easy to listen to.

They also allowed my maximum listening volume to increase by about 10-15%, which was welcomed as I have always been concerned that my amp was not reaching its full potential when driving my very efficient 101 db speakers.

When I first received the two units my 300B amp was in the shop for 3 weeks, so I decided to try them on my separate home theater rig meanwhile. I was provided with a much sharper picture, better defined colors, and improved audio especially in the lower frequencies. My bedroom plasma benefited similarly, given that it is on the same circuit and just 20ft away in the next room.

While results may vary depending on how much grunge or rouge interference is apparent in ones' A/C lines, it’s hard to imagine many other accessories with a more “bang for the buck” factor.

Finally I thought that they might become redundant once I purchased a $2600.00 Equitec Balanced Power Conditioner for my two channel rig. Not so, as they made the Equitec sound noticeably more natural and refined overall.

Studio Reference Power Cord – Installed on my Transport.

I have no reason to doubt Alan’s theory that there is a significant cumulative effect each time more of his technology is added into a system, though I am not able to evaluate that at this stage.

What I do know is once I had the PC in for about 8 hours I immediate noticed an improved bass response – something that anyone with a 300b covets. It helped dramatically reduce lingering bass bloating by tightening it up considerably.

The PC took a few weeks to fully break-in, and finally settled into something musical and engaging. The bass tightened even more, overall there was more clarity and highs were more extended as a result.

The most pleasing attribute in my opinion is the uncolored and natural sound of the cable, particularly with timbre and mid range - which significantly increased my listening enjoyment!

Other benefits was more “air“ or space around the instruments, adding much improved separation and depth to the sound stage – which I plead guilty of putting too much value on at times.

I look back to the days when I was using cables as tone controls, as those tweaks ultimately became an unsolvable Rubiks cube, causing untold anxiety as I remember.

I genuinely do not wish to diminish those who have found comfort in using a darker cable to tame a “bright” component with satisfactory results; it’s just that I’ve abandoned that method out of self preservation..

That said I find this cable to have no harsh characteristics, especially apparent in the smooth upper range –if anything it’s to the warm side of neutral as they say, without the least expense to the dynamic range.

Whereas they should make any decent system sound more natural and therefore better in my opinion – they are not really designed to cure fundamental mismatches of components.

Getting back to the cumulative effect:

I understand from Alan that each of his cables uses the same basic technology as his PE a/c power enhancers whose effects travel beyond the actual components they service. Apparently, the idea is that they all link up together and create an overall system wide synergy. In effect creating a line of repeaters which mesh together to filter grunge, harmonically tune, and form a single common resonance within the collective wiring and power supplies.

The science is aided by the incorporation of the renowned Shakti resonance technology into each cable.

Lastly, I plan to soon add another of Alan’s PCs; this time to my Power Conditioner, then consider the DAC, and Amp - Including his matching interconnects and speaker cables which again share the same technology.

I am a firm believer in the power of synergy, so I hope to keep adding more - one by one - to the extent I am presently inclined to aim at a complete system." ~ Craig Robinson

 


 

"The PE(Power Enhancer) is one of the most cost-effective components(tweaks?) that I have ever put in my system. Highly recommended. Thank you Alan. A++++++++++++" ~ Sherod

 


 

"Just received my 2nd PE from Alan. Unbelievable! As great as the one unit made my system sound, the addition of a 2nd PE lifted my system to incredible heights. I can't believe my ears. What an idiot I've been all these years neglecting my AC." ~ Sherod

 


 

"The PE is a great product, really cleans up the AC in my system. Excellent customer service. Will be exploring more of Alan's products. AAA+++" ~ Rich Weed