DAC1 HDR Review - John Gatski, Everything Audio Network

May 07, 2009

DAC1 HDR Review - John Gatski, Everything Audio Network

DAC1 HDR - "There’s a reason why so many pros use Benchmark"

"Through the USB and TOSLINK ports from my MacBook or the SPDIF input from the TASCAM HDP-2, all my recordings of acoustic guitar and jazz guitar cuts from my pro rig — sounded first rate. There’s a reason why so many pros use Benchmark D/As — accurate rendering of the digital PCM recordings with wide, deep and detailed imaging, and a total lack of harshness."

- John Gatski, Everything Audio Network


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"The AHB2 easily outperforms the DIY Hypex NC400 I had tested before which used to be the best amp I had tested."

"THD+N versus output level looks far cleaner than anything I have tested before."

"Intermodulation distortion versus power level shows the same story of clean power."

Signal to Noise Ratio:

(unweighted, 22.5 kHz BW)

  • Ch1: 130.286 dB

  • Ch2: 130.180 dB

Frequency Response:

  • -0.3 dB at 20 kHz

  • -3 dB down at 200 kHz!!

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"We have 185 watts of power at incredibly low distortion of 0.00016%, besting the company specifications."

Bridged Mono Power into 4 Ohms:

"500 watts into 4 ohm! Stunning 0.00026% distortion at 500 watts!!"

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197 Rooms - Benchmark Room makes a "top 3" list

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