Tag: power amplifiers

Please see Important Notes on the Reviews page. This is a Mini-Review with no formal rating because after about a week of listening to this product, its strengths and weaknesses were apparent. A longer listening interval, which would be normal

The Hegel H20 stereo power amplifier was of interest because of its use of “feed forward” error correction. Briefly, negative feedback – which many amplifiers employ - seeks to correct amplification errors after they have occurred. One problem with this

“Surprise” is an understatement of my reaction to Electronic Visionary System’s request that I review their modification to a Purifi-based Class D amplifier after the less-than laudatory review of the NAD C298 power amplifier here on 10 Audio. The C298 also

The NAD C298 stereo power amplifier features the new Class D ‘Eigentakt’ amplifier technology. Eigentakt is the latest thinking from Bruno Putzey who developed the popular and widely used NCore and UcD amplifier modules for Hypex. Mr. Putzey is joined

The Mivera 1200AS2 stereo power amplifier is a limited production offering. The amplifier uses the IcePower 1200AS2 dual-channel module with the IceEdge chipset. The $1000 Mivera amplifier was chosen for this review because, as you can see in the image

The Benchmark AHB2 solid-state stereo power amplifier immediately grabbed the audio world’s attention about 7 years ago when it was introduced. Combining state of the art specifications, cutting-edge technology, and amazingly small size and light weight, the $2999 amplifier quickly

The Adcom GFA-555 stereo power amplifier has a long history. The original version was introduced in March, 1985. Designed by Nelson Pass, the amplifier weighed 30 pounds and cost about $680. The newer SE version is a redesigned amplifier that

Dr. William Conrad and Dr. Lewis Johnson, both accountants and committed audiophiles, began selling their vacuum tube amplifiers and preamplifiers in 1977. Many of their current designs evolved from these early circuits. The Classic Sixty-Two SE can trace its lineage

The new Valvet E2 SE single-ended Class A solid-state amplifier is a revelation. Coming to market about a year after my review of the Valvet E2, the SE version exceeds the E2's audible performance in every parameter. Please see the older

The new PS Audio Stellar S300 stereo amplifier is a delightful surprise. At a list price of only $1,499, the sound of the Stellar S300 has characteristics of some of the best amplifiers available, at any price. PS Audio, located

The QUAD Platinum Stereo amplifier is the latest in a very long line of hi fi products from QUAD of England. QUAD, which is an acronym for Quality Unit Amplifier Domestic, has been making components since 1953 and has received

Valvet High-End Audio, of Bargteheide, which is near Hamburg in northern Germany, has been making high quality audio components since 1982. Owner and designer Knut Cornils has a goal for all of his components: “(T)he transmission of music free from

The new Bryston 2.5B3 "Cubed" power amplifier continues the evolution of the well-received line of power amplifiers from Bryston, Ltd., of Ontario, Canada. The 2.5B3 is the lowest power model in the current Bryston power amplifier lineup. If more power is

ALERT: Rave review detected. Something very special has happened in the universe of audio components and you can benefit from this important milestone. We are all familiar with terms such as “good for the money” and “sets a new standard

The Emerald Physics EP100.2SE digital stereo power amplifier, in its latest silver enclosure is a beautiful looking and powerful component. It weighs 16.5 pounds with its large toroidal power transformer and has a rated power output of 100 Watts per

The Acoustic Imagery Atsah power amplifiers are rated at 400 Watts per mono chassis and carry a list price of $8995 per pair. Besides a power rating that would be a good fit in a system of any size, the

I bought a pair of these amplifiers (on Audiogon) because people said they sound better in their mono mode. One amp was DOA, but the other seemed to work fine, so I listened to it in stereo mode for a