Abbingdon Music Research DP-777 D/A processor Specifications

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Description: Tubed digital-to-analog processor with volume control. Tube complement: two 6H1n-EV, one 6H11P. Sampling rates supported: 44.1, 48, 88.2, 96, 176.4, 192kHz. Maximum word length: 32 bits. Digital inputs: 2 S/PDIF (coaxial/TosLink optical), 2 S/PDIF (XLR/BNC), 1 USB. Analog inputs: 2 line level (RCA). Analog outputs: 1 RCA, 1 XLR (single-ended). Maximum output voltage: >2V. Signal/noise: >100dB, A-weighted (no reference level given). Channel separation: >90dB. Dynamic range: >90dB. Harmonic distortion: <0.3%.
Dimensions: 17.7" (450mm) W by 4.7" (120mm) H by 14.6" (370mm) D. Weight: 25.4 lbs (11.5kg).
Finish: Silver or black.
Serial Number of Unit Reviewed: 3510008.
Price: $4995. Approximate number of dealers: 21.
Manufacturer: Abbingdon Music Research, 22 Notting Hill Gate, London W11 3JE, England. Tel: (44) (0)870-420-5505. Fax: (44) (0)700-596-1065. Web: www.amr-audio.co.uk. US distributor: Avatar Acoustics, 545 Wentworth Court, Fayetteville, GA 30215. Tel: (888) 991-9196. Web: www.avataracoustics.com.

Company Info
Abbingdon Music Research
US distributor: Avatar Acoustics
545 Wentworth Court
Fayetteville, GA 30215
(888) 991-9196
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Comments
FSonicSmith's picture
Subjective listening

Here we go again; a DAC that leaves the reviewer gushing with praise juxtaposed with a so-so bench report from JA. Sometimes I see the dichotomy and suspect the reviewer is the culprit and sometimes I suspect the measurements simply fail to measure what is truly important. When it comes to listening impressions, I have faith in Art. It is obvious from the description of the design that some very solid engineering went into this product coupled with much attention to the all-important analogue output stage. The "problem" with reconciling listening impressions with measurements of DACs is that JA can't really measure the effectiveness/quality of the output stage. Put differently, a DAC can have the very best chips and good power supply regulation and measure just dandy and yet still leave the listener on edge. I am not in the biz and I am not an engineer. But that said, I (think I) know that with high-end DACs, you just have to listen. I would love to hear what folks who either own this DAC or who have auditioned this DAC think.

VandyMan's picture
Subjective listening

The gear Dudley praises almost never tests well. I enjoy his writing, but I read his reviews with a very skeptical eye. Some of the other reviewers seem to more frequently align with the measurements.

>>JA can't really measure the effectiveness/quality of the output stage

That is just not true. He measures pre-amps all the time. It is basicly the same thing.

 

Surge's picture
Comparison to NAD M51

Can JA comment on differences between the DP-777 and the NAD M51?

Both DACs are new and offer new technology to produce "analogue-like" sound, from what I gather.

Is the DP-777 that much better for 2.5X the price?

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