Power Amplifier Reviews

Analog Domain M75D and M75P premium
Both the M75D integrated and M75P power amp are fast-paced and articulate, highly detailed, incredibly rhythmic and dynamic and lifelike, with power to spare.
premium
Owner of Hifi-Advice.com
Anthem STR preamplifier and power amplifier premium
Encased in a simple but robust cabinet, the STR series has refreshingly different looks, but these components also distinguish themselves from the masses in terms of sound.
premium
Owner of Hifi-Advice.com
23 March 2020
atm-audio EPM-50 Class A Mono Power Amplifiers premium
Fabulously organic and highly seductive and in no way mechanical or electronic, these fully Class-A amplifiers eschew the type of overt control that can lead to the mechanical and clinical presentation that makes so many rivals sound rather uninvolving.
premium
Owner of Hifi-Advice.com
23 September 2020
atm-audio EPM-700 class-D power amplifier with Korg Nutube triode input buffer premium
Machined from solid aluminum, the EPM-700 Mono amplifiers employ hybrid amplification technology using a Class-D Hypex NC500 module with Ncore technology powered by a 1200W switched-mode power supply and a Korg NuTube Triode Valve-based atm-audio input stage.
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Owner of Hifi-Advice.com
Audio Aero TransTRAC Hybrid tube/transistor poweramp – Mini Review premium
Audio Aero TransTRAC compared to Jadis JA30
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Owner of Hifi-Advice.com
Audio GD Master 2H Mono Power Amplifiers premium
The Master 2H mono amplifiers amplify the whole truth and nothing but the truth but they combine their truthfulness with a very high level of refinement, fluidity and finesse to make for a performance that is not only spectacularly neutral but also highly natural, rhythmically infectious and hugely involving. Oh, and these amps also double their output with every halving of the impedance. Intrigued yet? You should be!
premium
Owner of Hifi-Advice.com
Audio GD R8 DAC, Master 1 preamp, Master 3 power amp, and Magna Hifi ACSS cables premium
Designed and built in China, Audio GD products provide serious competition for much higher priced European or American gear. Part 1 contains the introduction, info about Magna Hifi and a description of the performance of the complete Audio GD system.
premium
Owner of Hifi-Advice.com
21 December 2009
Audio Physic Strada Mono Switching Power Amps premium
In spite of their switching nature, these Audio Physics don't sound "digital"
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Owner of Hifi-Advice.com
13 December 2017
Ayre VX-5 Twenty premium
The VX-5 Twenty is a beauty to look at and it delivers the most refined sound that I have heard from any solid state amplifier so far.
premium
Owner of Hifi-Advice.com
Bricasti M21 DAC and M15 power amp premium
It baffles me why the Bricasti brand does not pop up everywhere, it certainly should. Beautifully sculpted and with immaculate build quality, these components are not inexpensive but in context, they surely are also not extravagantly priced.
premium
Owner of Hifi-Advice.com
26 December 2017
Bryston 3B, 4B and 14B “Cubed” power amplifiers premium
The new Bryston sound is generous, smooth, rich and relaxed, yet very powerful, driving all the speakers that I tried with ease. Even audiophiles with a larger budget might be pleasantly surprised!
premium
Owner of Hifi-Advice.com
21 January 2020
Bryston 4B and 14B “Cubed” power amplifiers – revisited premium
After the initial Bryston review in December 2017 my system changed significantly. Therefore, I thought it prudent to give the amps another run with some very different speakers.
premium
Owner of Hifi-Advice.com
31 March 2021
CAT (Convergent Audio Technology) JL5 Black Path premium
The CAT JL5 promises the benefits of pure Triode Mode, combined with very large power reserves and the capability to drive pretty much any loudspeaker, including electrostatics.
premium
Owner of Hifi-Advice.com
24 February 2019
CH Precision A1.5 compared to the Soulution 711 – Mini Review premium
How do the CH Precision A1.5 and the Soulution 711 compare in a Magico Q5 system?
premium
Owner of Hifi-Advice.com
3 January 2019
CH Precision A1.5 Power Amp premium
A bigger cabinet, a new 1700VA toroidal transformer, new Red Caps, and an improved internal layout not only increase the output rating from 100 to 150 watts into 8 ohms but also make for a huge leap in sound quality.
premium
Owner of Hifi-Advice.com
CH Precision C1 + A1 premium
The C1+A1 combination sounds ultra-transparent, clean and controlled but also smooth and fluid, and organic, wholly musical and absolutely convincing.
premium
Owner of Hifi-Advice.com
CH Precision C1 + A1 – part 2 premium
Part 2 of the C1+A1 review.
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Owner of Hifi-Advice.com
Classé Delta Stereo and Delta Pre premium
The third-generation Delta product line includes the STEREO amplifier, MONO amplifiers and the PRE preamplifier with built-in DAC and streamer, and conceptually based on the CP-800. Reviewed here are the preamp and stereo power amp.
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Owner of Hifi-Advice.com
14 November 2019
Electrocompaniet AW180 and AW600 Nemo premium
Established in 1973 in Norway, Electrocompaniet are known to voice their equipment to achieve a sound which they feel is most true to the live listening experience first and foremost and according to technical measurements second. So, how do they sound? Read the review to find out!
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Owner of Hifi-Advice.com
Jeff Rowland 525 power amplifier premium
Successor to the model 201 mono's, the model 525 with new Pascal technology promises further improved sound.
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Owner of Hifi-Advice.com
18 August 2013
Jeff Rowland 725 mono power amplifiers premium
Reference class, Class AB Mono Power Amplifiers
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Owner of Hifi-Advice.com
Jeff Rowland Capri s2 and 125 pre- and power amp premium
The Capri 2s and 125 are the brand's latest and most affordable pre-power amp combo.
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Owner of Hifi-Advice.com
Jeff Rowland Class AB and Class D amplifiers premium
Comparing the more classic class AB sound to the current class D sound using 4 Jeff Rowland amplifiers: Model 525, Model 201,Model 10 and Model 6
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Owner of Hifi-Advice.com
Lejonklou Sagatun and Tundra mono and stereo pre- and power amps premium
Smooth, fluid, transparent and extremely finely detailed, they relay music with a finesse and lyricism that is rare in generic and in this price class in particular.
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Owner of Hifi-Advice.com
Manley Labs Jumbo Shrimp, Neo-Classic 300B and Snapper premium
From an American audio brand with a long history, one might expect a  stereotypical big and ballsy "American" sound. When talking about transistors this would be maybe something in line with the classic Krell or perhaps McIntosh sound and when talking about tubes, in general, a warm, rich and juicy-liquid sound. But just like modern Audio Research tube amplifiers do not have that kind of sound, neither do the Manley products that I have on visit for review. So, what do they sound like? Read on to find out!
premium
Owner of Hifi-Advice.com
McIntosh and Jeff Rowland premium
McIntosh MA6900 compared with Jeff Rowland Synergy and model 6
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Owner of Hifi-Advice.com
1 December 2020
Monrio mp11 Mono Power Amplifiers premium
The Monrio mp11's have a luscious sound that is gently sweet and easy-going, airy, highly refined and beguilingly fluid. It's also nothing like what I have become accustomed to hearing from typical Class-D designs, or from Class A/B amplifiers, for that matter.
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Owner of Hifi-Advice.com
Naiu Laboratories Ella MK2 power amplifier premium
This Naiu Laboratory Ella power amplifier is the MK2 version with a new faceplate. While it looks similar to the amp tested in August 2017 on 6moons, this concerns a similar, yet further upgraded version.
premium
Owner of Hifi-Advice.com
28 December 2020
NuPrime AGM STA stereo power amplifier premium
The AMG STA not only addresses all of the ST-10's weaker areas but actually raises the overall quality to such an extent that it comfortably positions itself among high-end competitors that cost multiples upon multiples.
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Owner of Hifi-Advice.com
NuPrime AMG-PRA with 2x AMG-STA power amplifier premium
In the initial NuPrime AMG review, I have focused mainly on the AMG-STA power amplifier. For this second installment, I have been sent a second AMG-STA power amplifier so that I can use a pair in mono-mode as well as an AMG-PRA analog preamplifier to round off the NuPrime system.
premium
Owner of Hifi-Advice.com
2 December 2018
NuPrime Evolution One premium
The Evolution Ones sound crisp and clear yet richly textured and timbrally natural, with excellent focus and a reach-out-and-grasp solidity to objects within the soundstage along with a level of lifelike purity and directness that is quite rare.
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Owner of Hifi-Advice.com
26 December 2017
NuPrime ST-10 power amp premium
Incredible performance at an incredible price!
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Owner of Hifi-Advice.com
23 November 2020
NuPrime ST-10M mono power amplifiers premium
With each of the two channels powered by its own transformer and extra capacitance, the available power has doubled. But if you ask me, the extra power is not the amplifiers' biggest selling point, rather, it's the increased sound quality across the board.
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Owner of Hifi-Advice.com
3 December 2009
Pass Labs X250.5 stereo power amp premium
I think it's fair to say that the Pass' looks divide opinion, but one thing is for sure: this is a HUGE amp.
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Owner of Hifi-Advice.com
26 December 2017
PrimaLuna DiaLogue Premium premium
Remarkably dynamic and communicative performer with lots more power than its humble rating would suggest.
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Owner of Hifi-Advice.com
12 February 2018
PrimaLuna DiaLogue Premium – Tube Rolling – KT150 premium
Used in the DiaLogue Premium, KT150’s are super-powerful tubes that really have incredible tube-untypical bass and a very different perspective than EL34's.
premium
Owner of Hifi-Advice.com
28 October 2018
PrimaLuna DiaLogue Premium – Tube Rolling – KT88 – Mini Review premium
Trying Shuguang KT88 tubes in the PrimaLuna DiaLogue Premium.
premium
Owner of Hifi-Advice.com
PrimaLuna DiaLogue Premium HP premium
Double the amount of tubes is double the amount of fun?
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Owner of Hifi-Advice.com
Trends TA-10.2, Wadia 151, Jeff Rowland 102 and OEM ICE Power module compared premium
Via independent routes several "digital" amps came my way, one after another. Originally I was to review only one but at a certain moment I had 4 different ones in my living room.
premium
Owner of Hifi-Advice.com
Viva Verona XL SE Triode mono Power Amps premium
Viva Verona XL reviewed and compared to Jeff Rowland model 6 and McIntosh MA6900
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Owner of Hifi-Advice.com
Zanden 8120 and 3100 premium
Combining the best of transistors and tubes while avoiding all of the typical flaws of either of these designs, these components provide technical excellence and a highly emotional performance in equal measure.
premium
Owner of Hifi-Advice.com
Zesto Leto 1.5 preamp, Andros Deluxe phono, and Eros 300 mono power amps premium
Smooth and seductive, organic, big and powerful, and utterly realistic - the Zesto system does it all.
premium
Owner of Hifi-Advice.com