My Long List of Amplifiers and My Personal Review of Each!


So I have been in a long journey looking to find the best amplifiers for my martin logan montis. As you know, the match between an amplifier and speakers has to be a good "marriage" and needs to be blend exquisitely. Right now, I think I might have found the best sounding amplifier for martin logan. I have gone through approximately 34-36 amplifiers in the past 12 months. Some of these are:

Bryston ST, SST, SST2 series
NAD M25
PARASOUND HALO
PARASOUND CLASSIC
KRELL TAS
KRELL KAV 500
KRELL CHORUS
ROTEL RMB 1095
CLASSE CT 5300
CLASSE CA 2200
CLASSE CA 5200
MCINTOSH MC 205
CARY AUDIO CINEMA 7
OUTLAW AUDIO 755
LEXICON RX7
PASS LABS XA 30.8
BUTLER AUDIO 5150
ATI SIGNATURE SERIES 6005

With all that said, the amplifiers I mentioned above are the ones that in my opinion are worth mentioning. To make a long story short, there is NO 5 CHANNEL POWER AMP that sounds as good as a 3ch and 2ch amplifier combination. i have done both experiments and the truth is that YOU DO lose details and more channel separation,etc when you select a 5 channel power amplifier of any manufacturer.
My recollection of what each amp sounded like is as follows:

ATI SIGNATURE SERIES 6005 (great power and amazing soundstage. Very low noise floor, BUT this amplifiers NEEDS TO BE cranked up in order to fully enjoy it. If you like listening at low volume levels or somewhat moderate, you are wasting your time here. This amp won’t sound any different than many other brands out there at this volume. The bass is great, good highs although they are a bit bright for my taste)

NAD M25 (very smooth, powerful, but somewhat thin sounding as far as bass goes)
Bryston sst2(detailed, good soundstage, good power, but can be a little forward with certain speakers which could make them ear fatiguing at loud volumes)

Krell (fast sounding, nice bass attack, nice highs, but some detail does get lost with certain speakers)

rotel (good amp for the money, but too bright in my opinion)

cary audio (good sound overall, very musical, but it didn’t have enough oomph)

parasound halo (good detail, great bass, but it still holds back some background detail that i can hear in others)

lexicon (very laid back and smooth. huge power, but if you like more detail or crisper highs, this amp will disappoint you)

McIntosh mc205 (probably the worst multichannel amp given its price point. it was too thin sounding, had detail but lacked bass.

butler audio (good amplifier. very warm and smooth sweet sounding. i think for the money, this is a better amp than the parasound a51)

pass labs (very VERY musical with excellent bass control. You can listen to this for hours and hours without getting ear fatigue. however, it DOES NOT do well in home theater applications if all you have is a 2 channel set up for movies. The midrange gets somewhat "muddy" or very weak sounding that you find yourself trying to turn it up.

classe audio (best amplifier for multi channel applications. i simply COULDNT FIND a better multi channel amplifier PERIOD. IT has amazing smoothness, amazing power and good bass control although i would say krell has much better bass control)

Update: The reviews above were done in January 2015. Below is my newest update as of October 2016:



PS AUDIO BHK 300 MONOBLOCKS: Amazing amps. Tons of detail and really amazing midrange. the bass is amazing too, but the one thing i will say is that those of you with speakers efficiency of 87db and below you will not have all the "loudness" that you may want from time to time. These amps go into protection mode when using a speaker such as the Salon, but only at very loud levels. Maybe 97db and above. If you don’t listen to extreme crazy levels, these amps will please you in every way.

Plinius Odeon 7 channel amp: This is THE BEST multichannel amp i have ever owned. Far , but FAR SUPERIOR to any other multichannel amp i have owned. In my opinion it destroyed all of the multichannel amps i mentioned above and below. The Odeon is an amp that is in a different tier group and it is in a league of its own. Amazing bass, treble and it made my center channel sound more articulate than ever before. The voices where never scrambled with the action scenes. It just separated everything very nicely.

Theta Dreadnaught D: Good detailed amp. Looks very elegant, has a pleasant sound, but i found it a tad too bright for my taste. I thought it was also somewhat "thin" sounding lacking body to the music. could be that it is because it is class d?

Krell Duo 300: Good amp. Nice and detailed with enough power to handle most speakers out there. I found that it does have a very nice "3d" sound through my electrostatics. Nothing to fault here on this amp.
Mark Levinson 532H: Great 2 channel amp. Lots of detail, amazing midrange which is what Mark Levinson is known for. It sounds very holographic and will please those of you looking for more detail and a better midrange. As far as bass, it is there, but it is not going to give you the slam of a pass labs 350.5 or JC1s for example. It is great for those that appreciate classical music, instrumental, etc, but not those of you who love tons of deep bass.

 It is articulate sounding too
Krell 7200: Plenty of detail and enough power for most people. i found that my rear speakers contained more information after installed this amp. One thing that i hated is that you must use xlr cables with this amp or else you lose most of its sound performance when using RCA’s.

Krell 402e: Great amp. Very powerful and will handle any speaker you wish. Power is incredible and with great detail. That said, i didn’t get all the bass that most reviewers mentioned. I thought it was "ok" in regards to bass. It was there, but it didn’t slam me to my listening chair.

Bryston 4B3: Good amp with a complete sound. I think this amp is more laid back than the SST2 version. I think those of you who found the SST2 version of this amp a little too forward with your speakers will definitely benefit from this amp’s warmth. Bryston has gone towards the "warm" side in my opinion with their new SST3 series. As always, they are built like tanks. I wouldn’t call this amp tube-like, but rather closer to what the classe audio delta 2 series sound like which is on the warm side of things.

Parasound JC1s: Good powerful amps. Amazing low end punch (far superior bass than the 402e). This amp is the amp that i consider complete from top to bottom in regards to sound. Nothing is lacking other than perhaps a nicer chassis. Parasound needs to rework their external appearance when they introduce new amps. This amp would sell much more if it had a revised external appearance because the sound is a great bang for the money. It made my 800 Nautilus scream and slam. Again, amazing low end punch.

Simaudio W7: Good detailed amp. This amp reminds me a lot of the Mark Levinson 532h. Great detail and very articulate. I think this amp will go well with bookshelves that are ported in order to compensate for what it lacks when it comes to the bass. That doesn’t mean it has no bass, but when it is no Parasound JC1 either.
Pass labs 350.5: Wow, where do i begin? maybe my first time around with the xa30.8 wasn’t as special as it was with this monster 350.5. It is just SPECTACULAR sounding with my electrostatics. The bass was THE BEST BASS i have ever heard from ANY amp period. The only amp that comes close would be the jC1s. It made me check my settings to make sure the bass was not boosted and kept making my jaw drop each time i heard it. It totally destroyed the krell 402e in every regard. The krell sounded too "flat" when compared to this amp. This amp had amazing mirange with great detail up top. In my opinion, this amp is the best bang for the money. i loved this amp so much that i ended up buying the amp that follows below.

Pass labs 250.8: What can i say here. This is THE BEST STEREO AMP i have ever heard. This amp destroys all the amps i have listed above today to include the pass labs 350.5. It is a refined 350.5 amp. It has more 3d sound which is something the 350.5 lacked. It has a level of detail that i really have never experienced before and the bass was amazing as well. I really thought it was the most complete power amplifier i have ever heard HANDS DOWN. To me, this is a benchmark of an amplifier. This is the amp that others should be judged by. NOTHING is lacking and right now it is the #1 amplifier that i have ever owned.

My current amps are Mcintosh MC601s: i decided to give these 601s a try and they don’t disappoint. They have great detail, HUGE soundstage, MASSIVE power and great midrange/highs. The bass is great, but it is no pass labs 250.8 or 350.5. As far as looks, these are the best looking amps i have ever owned. No contest there. i gotta be honest with you all, i never bought mcintosh monos before because i wasn’t really "wowed" by the mc452, but it could have been also because at that time i was using a processor as a preamp which i no longer do. Today, i own the Mcintosh C1100 2 chassis tube preamp which sounds unbelievable. All the amps i just described above have been amps that i auditioned with the C1100 as a preamp. The MC601s sound great without a doubt, but i will say that if you are looking for THE BEST sound for the money, these would not be it. However, Mcintosh remains UNMATCHED when it comes to looks and also resale value. Every other amp above depreciates much faster than Mcintosh.

That said, my future purchase (when i can find a steal of a deal) will be the Pass labs 350.8. I am tempted to make a preliminary statement which is that i feel this amp could be THE BEST stereo amp under 30k dollars. Again, i will be able to say more and confirm once i own it. I hope this update can help you all in your buying decisions!


128x128jays_audio_lab
Yup I get it.
In my 2 channel system I don’t experience that same kind of listening fatigue because I listen at lower volumes than you. I’m my headphone rig though subtle changes in that near field presentation can make my rig almost unbearable. In the same breath done right, the subtleties of detail and textures in a properly tuned headphone rig are incredible and one of the reasons I enjoy them so much.

In my headphone system the difference In tonal signature between both is surprisingly small. Just a tad bit of warmth/richness or dryness one way or the other.
chazzzy,
The recording is on the laid back, mellow side, then all of a sudden near the end, the higher pitched flute surprises with its loudness.  I didn't hear much HF from the flute, but it is brighter than the preceding instruments, so appears to stick out on this veiled recording.  The ear is most sensitive at 3-4 kHz, so we are hearing high energy in this upper midrange/lower HF region.  Sibilance is usually at 6 kHz, and is usually heard with consonants of the voice especially since singers often put their lips on the mike.  Processing effects exaggerate this. 
Tomorrow’s video will be about my own trials and the steps i feel are important when it comes to building your next system.

1130 AM ET

https://youtu.be/0lYJFmcRNBE
Hey Viber6 check out electrostats like Martin Logan,  plus tube amp for sweet tone of violin! Let me know if you agree. Great for saxophone too which I use to play!
@jays_audio_lab 
I would like to see you try out the Starsound Technologies 
http://starsoundtechnologies.com/ComponentPlatformsDetail.php?SP-SA-XL-2

This for speaker platforms
http://starsoundtechnologies.com/ComponentPlatformsDetail.php?SP-SA-XL-28
I think this is kind of impressive . The list of people at the company and their Education and background

Mission Statement:

The mission of Star Sound Technologies, LLC is to promote and advance fact-based research and consumer education surrounding vibration in musical reproduction through the promotion of Live-Vibe Technology™. Adapting this technology to improve the sound from audio and video related products, listening and recording structural environments as well as musical instruments. Enriching the world with higher levels of musical dynamics and harmonic structure maximizing the human emotional and physical experience through listening.

 

 

Meet our Personell:

 

.

Mr. Robert MaicksPresident

Mr. Robert Maicks has over forty years experience including the areas of the recording sciences, sound reinforcement engineering, stage development and concert production. Throughout his career he has attained additional experience in product development, manufacturing and many additional facets of business such as marketing, retail operations and professional sales training.

In the audio/video and music related fields, Mr. Maicks has developed an honest reputation as an open minded, well informed industry reference for both consumers and manufacturers alike. His ability to merge public demand with industry-first concepts and products has provided a solid yet extremely versatile foundation for the success of Star Sound Technologies, LLC.



Mr. Locke Tiffin Highleyman
 
Executive Vice President

A Lehigh University graduate, Mr. Locke Highleyman has accrued extensive experience with the mechanical and electrical engineering arenas. A founding father of Star Sound Technologies, LLC, he not only participates in multiple research and development capacities but is also heavily involved with hands on prototyping new designs.

He continues to expand our product suite and is heavily involved in developing test plans for third party product research and performance validation.


Attorney David E. Roberts
 Material Science Engineering & Development
Star Sound Technologies Research & Development Board

Graduate of Indiana University Robert McKinney School of Law

Graduate of Lehigh University - Materials Science & Engineering

Mr. David Roberts has held diverse roles including serving as CEO for EnerDel, a Board member of a Chinese joint venture with Wanxiang, IP counsel for Caterpillar, an engineer with Lockheed Martin and is a patent & business attorney in private practice with Gutwein Law.

Mr. Roberts now serves as President of BIC - Battery Innovation Center, a public-private partnership catalyzing next generation energy storage solutions by incorporating leadership from academia, industry, and government to quickly build, develop, and test safe, reliable, low-cost, and lightweight energy storage systems.


Mr. Todd C. Zimmer
Mechanical Engineering & Development
Star Sound Technologies Research & Development Board

Graduate of Lehigh University - Mechanical Engineering & Computer Sciences

Mr. Todd Zimmer specializes in static and dynamic mechanical systems analysis, and is actively involved in overseeing all in-house engineering projects, including CAD design and CNC development.

Mr. Zimmer holds the position of senior managing engineer at Sargent Manufacturing Company | ASSA ABLOY


Mr. Peter IsraelsonElectrical
Engineering & Development

Star Sound Technologies Research & Development Board

Graduate of AMU Technical University Hedemora , Sweden - Electrical Engineering

While in Sweden, Mr. Peter Israelson worked for over a quarter century years designing and engineering state-of-the-art amplification. Along with his formal education, Mr. Israelson has an innate ability for merging the concepts of electrical design theory with the stimulating emotion of auditory perception. He is well known for his ability to carefully match components to maximize musical sound quality in any design.

Mr. Israelson is currently building State-Of-The-Art amplifiers using Magnetic Conduction Technology developed and patented by Magnetic Innovations LLC working with our dear friend and innovator, Rick Schultz of High Fidelity Cables. Magnets are used to conduct signal compared to copper wire and the results deserve an audition - amazing is an understatement.


Mr. Thomas DeVuono
Product Development Specialist
Star Sound Technologies Research & Development Board

Mr. Thomas DeVuono worked in the music and audio fields since 1972. Moving forward as a sales and technical trainer for Ovation Audio where he met and trained with industry personalities as Nelson Pass, John Dunlavy and Tomlinson Holman, Mr. DeVuono joined the team at Star Sound Technologies, LLC in 2000 and participated in the development of Sistrum Platforms, the Caravelle Loudspeaker System and the STAGE Platforms Project.

In 2000 Mr. DeVuono began the research and development of a brass endpin designed to enhance the sound of a cello. We initiated production seventeen years later. The Tone Acoustics Enpin replacements are recognized as one of the finest upgrades for cello and upright bass ever manufactured and are being sold on a global basis. Currently Mr. DeVuono and Star Sound Engineers are applying Live-Vibe Technology to tympany, vibes, marimba and drum kits with the goal of developing a standard system for the concert grand piano.


Mr. Dale Humphrey
Corporate Development Officer
Star Sound Technologies Research & Development Board

Graduate of The University of Wisconsin – Madison.

Holds undergraduate degrees in business administration & economics and an MBA degree in marketing.

Mr. Dale Humphrey has been involved with many aspects of the audio business for over thirty years spanning retail sales experience, distribution and business strategy.

His primary vocation is in financial services and he has leveraged this background to advice a number of audio-focused organizations to refine their competitive positioning, set product development and manage sales channels.

Mr. Humphrey began working with Star Sound Technologies in 2012 and assists in a number of projects including financial management, factoring product development and sales strategy.


Mr. Jeff Whetstone

Electrical Engineering & Program Specialist
Star Sound Technologies Research & Development Board

Graduate of Lehigh University - Electrical Engineering

Mr. Jeff Whetstone, as an Electrical Engineer for AMETEK Aerospace and Defense, currently designs instrumentation including active capacitance-based fluid level sensors and fuel gauging systems.

As a talented musician, Mr. Whetstone's passion for electronically reproducing the "live performance" fuels his involvement in the refinement of our product circuitry build and function.



Dr. Wilbur Highleyman
Engineering & Technical Advisor

Graduate of Brooklyn Polytechnic Institute (D.E.E.)
Graduate of Massachusetts Institute of Technology (S.M.E.E.)
Graduate of Rensselaer Polytechnic Institute (B.E.E.)

Dr. Wilbur Highleyman holds fourteen U.S. patents and has been published extensively. He has been responsible for implementing dozens of real-time mission-critical systems for companies such as Amtrak, Dow Jones, Time, McGraw Hill, Tandem, Federal Express, Chemical Bank, SIAC, Smith Kline, G. E. Credit, Southeast Bank, Harris Satellite, A. C. Nielson, and Harris Satellite.

He has published extensively on availability, performance, testing, middleware, and other technical topics. He is the author of Performance Analysis of Transaction Processing Systems, published by Prentice-Hall, and is co-author of the three-volume series, Breaking the Availability Barrier. These books are available at Amazon.com and Barnes and Noble.

Dr. Highleyman is co-inventor of "Method of increasing system availability by splitting a system," U. S. Patent No. 7,113,938; "Asynchronous coordinated commit replication and dual write with replication transmission and locking of target database on updates only," U. S. Patent No. 7,177,866; and "Split processing system for providing increased system availability," U. S. Patent No. 7,194,488. He is also co-inventor on several other patents and patent applications in the fields of continuous- and high-availability technologies.

He is past chairman of ITUG, the HP NonStop Users' Group, and is active in presenting availability seminars and providing availability consulting. Dr. Highleyman is also a sought-after technical writer and researcher on a wide variety of technical subjects.

Dr. Highleyman focuses on development of test plans for third party product research and performance validation.







They call it "Vibration Management for Superior Sound"
That is what their platforms are designed to do

They Good thing is they do not cost 5-10k. I cannot fathom why any of these devices should. just make sure to buy the Audio points (spikes) and the coupling discs . They are sold separately.
One set of Audio Points goes on the bottom of the platform and with your Carpet , you doo not need coupling discs for the bottom( only for hardwood and such on the bottom).
Then for the topside of each platform you need a set of the Audio Points (they come in different heights)  AND the coupling discs . they go between the spikes and the speaker bottom side , so that you do not scratch the hell out of the bottom of the speakers like dummy me.

100% Total and Complete Guarantee .Star Sound Technologies, LLC is committed to 100% Total and Complete Customer Satisfaction throughout all of our product offerings.


Sorry to paste so much info about the people at the company. At least you do not have to pay for WebSpace. and I kind of figured that most people here would not even click on the link, if i put one up.
At least it shows that there products are based on or developed from SCIENCE,