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"Benchmark's LA4 is the widest-bandwidth, widest-dynamic-range, lowest-noise, lowest-distortion preamplifier I have encountered."
- John Atkinson, Stereophile
"I measured the Benchmark LA4's performance with my Audio Precision SYS2722 system."
"The preamplifier's frequency response in both balanced and unbalanced modes was flat from 10Hz to 200kHz."
"Channel separation was simply superb, at >140dB, R–L, and >132dB, R–L, below 2kHz, respectively decreasing to 130dB and 112dB at 20kHz. The superb separation measurement is a testament to excellent circuit-board layout."
"I looked at the spectrum of the distortion at a similarly high output level; while the second and third harmonics can be seen, these are still at astonishingly low levels: each harmonic is at or below –120dB (0.0001%)."
"Tested for intermodulation distortion in balanced mode with an equal mix of 19 and 20kHz tones at peak level of 5V, the second-order difference product at 1kHz was effectively absent, and the higher-order products all lay at or below –114dB (0.0002%)."
"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:
"The Benchmark Hi-Fi Stack ..."
"Find a Better Hi-Fi Stack! Double-Dog-Dare you!"
- Ron, NewRecordDay.com
Jay discusses the sonic tradeoffs between transparency and the sound of tube-induced distortion. He describes how his tube amps may make poor recordings sound enjoyable while the AHB2 reveals all.
