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Kal Rubinson

In Reply to: RE: Processor to compare w/ Oppo BDP posted by sbrians on July 23, 2009 at 14:17:12

Use of the volume control on the Oppo significantly detracts from audio quality and resolution. Get the Integra/Onkyo and connect to the Oppo with HDMI. The new Anthem D2v is a big step up but may not be warranted depending on the rest of your system.

Kal

Follow Ups:

Volume control - sbrians 20:24:53 07/24/09 (3)
I have listened and not heard much difference between 100% and lower volume levels. Is it just a matter of it removing dynamic range or something? I do have 2 channels going to a CJ preamp for the front channels and can use that volume control for stereo listening but have not noted a difference yet. Even though I read that Oppo should sound best at 100%. I think that I have a pretty high resolution system now w/ Magnepan 3.3s, etc.
- RE: Volume control - Kal Rubinson 06:45:11 07/25/09 (2)
  The Oppo (and most players) attenuate volume by dropping data so that you end up with about a 1bit loss for every 6dB of attenuation. If you cannot hear it, OK.
  
  Kal
  - RE: Volume control - audioAl 04:15:23 09/19/09 (0)
    Amazing information, you guys really teach me a bunch. Thanks for this forum! Alan in sunny Seadrift
    Vista Ultimate 32bit/Diamond XS Dac/ Sterovox coaxial line in to Insignia Amp/Cambridge SoundWorks& Infinity RS 1001 Speakers
  - RE: Volume control - marconist 01:59:16 09/11/09 (0)
    The DAC's the Oppo uses have a 24-bit control buffer. That leaves 8 bits resolution for volume control before you lose information.
    It's the same principle that Wadia used many years ago in their CD-player. There is a white paper from Wadia in internet which explains the principle.
    
    Oppo themselves states that volumecontrol should not be lowered below 80% before degradation starts. I consider it might be somewhat more ..... ;)
    
    Anyhow, if you do not need to use it, keep it at 100%.

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