Benchmark AHB2 High-Res Power Amplifier

Benchmark AHB2 High-Res Power Amplifier

3,199.00
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Essentially Perfect
— Paul Sydor, The Absolute Sound, 2016

The AHB2 gets its name from the late Allen H. Burdick, founder of Benchmark and the engineer whose work formed the basis for its design. At 11 (W) x 3.8 (H) x 9.3 (D) inches it's a compact and lightweight (12.5lbs) solid-state amplifier. 

Power amplifiers are usually a weak link in the audio chain. High-resolution recording formats and converter technology have outpaced the development of improved power amplifiers. Benchmark DAC2 D/A converters outperform most high-end power amplifiers by very significant margins. Most power amplifiers limit system noise performance to the equivalent of a 16 to 18-bit digital system. The details captured by today's high-resolution 24-bit PCM systems are often lost in a veil amplifier noise and distortion.

Benchmark's goal was to build a power amplifier that could deliver the full performance of their flagship DAC2 converters, and today's finest high-resolution recordings. The AHB2 realises this goal.


Main Features

  • 100 W/channel into 8 Ohms, both channels driven
  • 170 W/channel into 4 Ohms, both channels driven
  • 340 W Bridged Mono into 8 Ohms
  • 130 dB A-weighted
  • 125 dB 20 Hz - 80 kHz
  • < -118 dB relative to full output at any output level below clip, stereo, 1 kHz
  • < -118 dB relative to full output at any output level below clip, bridged mono, 1 kHz
  • 0.00013% 
  • < -113 dB relative to full output, 1 kHz
  • 0.00022%
  • Better than 0.1 Hz to 200 kHz, +0/-3 dB

SPECIFICATIONS

  • 100 W/channel (8 Ohms), both channels driven
  • 170 W/channel (4 Ohms), both channels driven
  • 340 W Bridged Mono (8 Ohms)
  • SNR: 130 dB A-weighted / 125 dB 20 Hz - 80 kHz
  • THD stereo:  < -118 dB relative to full output at any output level below clip, stereo, 1 kHz
  • THD mono:  < -118 dB relative to full output at any output level below clip, bridged mono, 1 kHz 
  • 0.00013% 
  • Frequency Response:  Better than 0.1 Hz to 200 kHz, +0/-3 dB
  • Input:  Balanced XLR
  • Output:  Binding post
  • Output:  SpeakON NL4


Benchmark AHB2 Reviews

More reviews and awards on the Benchmark Media website.


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