DC MMB DIGITAL PROCESSOR. OHPC digital transmission system for high- quality transmission. O New MMB type D/A conversion system ensuring bit. My Accuphase DC 91 converter shuts itself off after We do Hi I just bought a nice Accuphase DP/DC combo and I have a few questions: The light. Accuphase DC & DP for sale. I have decided to sell these two units only because they get very little use. I am the second owner. I would say I have only.

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Broadly speaking, these can be categorized as based on either single-bit or multibit DAC technology. Solid state Tube View All Integrateds.

Yes, computer audio has come a long way but sometimes it’s nice to turn off all the screens and slip in a disc! Sometimes putting in a accupuase and pressing play is quite relaxing. Like an ill-fitting suit, digital sound can often feel strange and uneasy.

However, in the digital domain, the music’s time base must be reconstructed. Where the River Goes. Bonus Recording of Accuphasr The transport also had a functioning, but weak, laser head assembly replaced with a new pickup. The effect, of course, was musical, but euphonic.

Their assault on the state of the art can best be described as brute force in nature. I am also including a cover I had made for both units to protect them from the dust and all elements when I was away.

Accuphase DP CD transport & DC D/A processor |

Believe it or not, that’s exactly what Accuphase did! I experimented with every available connection, and can tell you that the ST-type rates a clear first sonically. This units were expensive and built to a higher standard. Accuhase coax output finished in third place; not surprisingly, the bandwidth-limited TosLink brought up the rear. A quartz fiberoptic cable is supplied for this connection. Recording of August Related Latest Galleries Recommended.


Rega Research Apollo CD player.


Recording of December Life, Love, Songs, and Pianos. The real question is this- does Accuphase still service these “vintage” spinners? The Best Jazz Albums of If 16 DACs are used per channel, then the error would decrease by a factor of 12dB.

The balanced XLR output was a close second, giving up a touch in the areas of detail resolution and timing precision. Recordings with lush midranges were given full expressive scope; threadbare recordings were revealed for what they are, without any editorializing.

Legal Privacy Policy Terms of Use. Dc-1 of the units can be found on the Accuphase website. Recording of March The tonal balance became laid-back; the highs were softer and a bit rolled-off, lending a sweeter disposition to the upper mids. The unit has 13 digital inputs. Theoretically, the noise floor, hence the conversion error in an MMB system, decreases by 3dB every accupgase the number of paralleled identical DACs doubles.

It should be realized that no DAC is perfect. I am the second owner. Because of its split-second duration, the attack portion of musical transients is most susceptible to corruption by digital circuitry.

Even the bass quality was impacted, the lower registers sounding fuller and less precise than before. If you are reading this you know what they are and how good these units are together. Each unit weighs about 55 or more pounds and represent the pinnacle of audio equipment design and manufacture.

Leave this field blank. About 4 years ago, the units were updated by Accuphase USA service to replace the problematic blue logo illumination with an Accuphase specified LED based system. The fixed shipping cost is for 2 boxes. Remember all those disc dampers that vc-91 touted as cures for digititis?


The disc-drive motor features sapphire bearings and a heavy-duty spindle, which should offer many years of stable drive. The conversion process from the digital to the analog domain introduces a conversion error that manifests itself as noise and accuphade products. Another design aspect that’s been well attended to is the mechanical coupling between the disc tray and the rotating assembly. A number of competing approaches are aimed at minimizing this conversion error.

Kingko Audio and Omega. Accuphase sound The Accuphase transport, on dc-19 other hand, didn’t meddle with the overall tonal balance. The other serves the spindle drive motor, sled, and the focusing and tracking assemblies.

The signal level is adjusted by a DSP chip with bit output precision. You can bet your bottom dollar that these distortion products are not consonant with the music. The processor can be used as a digital preamp since it has a digital volume control feature and a full range of digital inputs and outputs. The DP offers every conceivable type of digital output, but the star attraction is an ST-type optical that uses a Hewlett-Packard transmitter operating at a data transfer rate of million bits per second.

Page 1 Page 2 Measurements Specifications. The conservative 7 rating refers to the DAC unit which is in excellent condition with only tiny nicks that you have to look hard to spot.