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"I can't think of many amps with dual hi-fi and pro functionality. Maybe Bryston and the odd ATC, but there aren't a lot. However, to this shortlist, we can add Benchmark."
"Two things strike you upon first seeing it – it's surprisingly compact, and it also has the sort of features that make it more at home in a studio than a listening room lounge space."
"You can bridge the AHB2 to make it a monoblock, or bi-wire it to a single speaker; there are only balanced connections incoming, as well as a choice of gain to match the speaker. You get normal speaker binding posts plus a pair of Neutrik's SpeakOn connectors on the output side."
"It runs very cool all the time yet provides a quoted 100W RMS into 8 ohms, both channels driven, and nearly twice that into 4. It's an interesting design, developed jointly with THX. The company says the AHB2 shows no traces of the crossover distortion and delivers less than 0.00011% total harmonic distortion in stereo mode – which is extremely low, if you were in any doubt. It uses a switching power supply – explaining its light 6kg weight and small size – and runs in Class H, with a novel Class AB output stage and multiple power supply rails to improve efficiency."
"I initially gave the amp my pair of B&W 802D3s to play with, appropriately enough a cousin of the speakers than can be found at Abbey Road Studios, just down the road from me."
"Perhaps surprisingly for a pro audio product, it was pleasant and quite detailed, but in no way the type of analytical character I'd expected. I rather liked the even-handedness and general 'considerateness' of the sound; it was grown-up and polite without any artificial edge."
"I then moved it upstairs to my other system, where I've been running a medley of classic monitors of late – Yamaha NS-1000Ms, Quad ESL63s and a recently acquired pair of Rogers LS3/5as."
"Driving the Quad electrostatics, things were more impressive still. These speakers can be a tricky load to drive, but the AHB2 just shrugged them off, apparently not in the least bit bothered by what it was being asked to do. I found the sound was strong and grounded; bass was taut and controlled with nice grip and the midband was crisp and clean, with plenty of detailed information that a sound engineer would find helpful."
"Reviewing the AHB2 was interesting for me, as it reminded me of just how quirky and eccentric my own hi-fi systems have become. The Benchmark is, as its name suggests, more of a jack-of-all-trades that attempts and succeeds to do a lot very well. It's a great leveller because whether I was playing classic rock from REM in the shape of Welcome to the Occupation, or a Debussy prelude, it had a consistent, even, ordered and mature sound backed up by lots of loudspeaker load driving ability."
"Thumbs firmly aloft then for this compact, versatile, thoughtfully designed, well-built stereo power amplifier."
"Benchmark's AHB2 is a class act that delivers an awful lot at its price."
"It also doubles up as an excellent do-it-all stereo power amplifier in someone's home when not being hammered by a dishevelled studio engineer. I make recordings of orchestral and chamber music, so am keenly aware of its abilities both one way and the other."
- Rafael Todes, Stereonet.com
Read the full review here (UK Version) →
Read the full review here (AU Version) →
Stereonet Applause Award - Benchmark AHB2
"Merriam-Webster defines a benchmark as "something that serves as a standard by which others may be measured or judged." This is what the AHB2s has become for me."
"A pair of AHB2s are now part of my dedicated summertime amplification for my Sound Lab 545PX loudspeakers."
- Don Shaulis, The Stereo Times
"I was led to Benchmark Media Systems through recommendations from Roger West, the designer of Sound Lab speakers. Praise from a local Sound Lab dealer and a local Sound Lab owner effectively twisted my arm to the point where I yielded to temptation to try the amplifiers ..."
"The Class-H Benchmarks give me what I wanted from Class-D amplifiers, but with the musical engagement, I found lacking in Class-D. There is the added benefit of a company that has been in business for over 36 years and has a depth of products, and offers an extended warranty."
"The highest compliment I can pay a piece of audio equipment is that it has found a home in my system. A pair of AHB2s are now part of my dedicated summertime amplification for my Sound Lab 545PX loudspeakers."
"The Benchmark performance continues to engage me, and the company gives me confidence in long-term support."
- Don Shaulis, Stereo Times
"I love, I love, I love my Benchmark AHB2 power amps!"
- Theo Nicolakis, Audioholics Online A/V Magazine
Theo uses a pair of AHB2 power amps in bridged mono (480 W into 6 Ohms) to drive a pair of Revel Ultima Salon2 loudspeakers ($20,000/pair). This is his reference amplifier-speaker combination.
Find out why Theo loves his AHB2 power amplifiers:
