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RE: The Ridge Street Audio Enopias USB Cable

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Robert C. Schult

In Reply to: RE: The Ridge Street Audio Enopias USB Cable posted by Mercman on May 18, 2009 at 07:36:16

Hey all.

First, Thank you Mercman for taking time to post your impressions of the Enopias USB Digital Master. I don't take that lightly knowing that it's something that's earned. Your adjectives are spot on with what I found in the Enopias during evaluation. It's gratifying to me to know that RSAD's efforts make a positive difference with our playback.

In light of some of the hubbub here, it should be noted that Steve's and one other client's cable were more of a custom type Enopias project based on what was designed to be the Enopias and does not represent standard production. Beyond that....

I kinda went back and forth on how to respond to some of the responses on this thread. I did have this long response in my head - would have likely crashed the server :) - but bottom line: I'm pretty busy running a business and helping clients who get what RSAD is about. That's my first priority and is demanding most of my time - more time than I have actually. As for most of the assumptions and conclusions made here regards to me or RSAD, they're based on not knowing everything needed to know to contribute intelligently to this thread and they're incorrect. That's a shame. If anyone has a genuine interest in what RSAD is doing you're welcome to call or pop me an email.

Sorry if this disappoints.

Cheers!

Yours in the service of Music,
Robert
RSAD
"The reasonable man adapts himself to the world. The unreasonable man persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man."
Oscar Wilde

Follow Ups:

RE: The Ridge Street Audio Enopias USB Cable - davidross 13:02:10 05/19/09 (2)
Robert, fair enough. But in the interest of advancing this discussion, can you at least explain why eliminating the GND might be a good idea, especially in light of the arguments made here against that approach?
- RE: The Ridge Street Audio Enopias USB Cable - Robert C. Schult 04:19:12 05/20/09 (1)
  Hi David (Out East...correct?)
  
  Good Post and good question. In a nutshell, here's the deal: The ground connection through the USB cable completes a loop running from the computer to the USB DAC, through the USB DAC, through its power supply, out the AC line, through the AC service, through secret microwave towers, to and through space satellites, then through the CIA and Pentagon, then through Federal Govn't funded bailouts (which still don't really solve the problem) - ummm, you get the picture.....and finally back to the computer via its power supply. You might well imagine what all could get introduced here (think EMF or worse - perhaps socialism for example) and if you're thinking it's not good you'd be correct.
  I suppose it's debatable how the pollutant(s) impact what we hear but with higher end / higher resolution DACs I say it can be discerned - especially in the upper mids or lower treble on up.
  Given a conducive set of criteria, eliminating the ground between the computer and DAC can be a good thing...BUT criteria needs to be like Charles mentions below with an AC earth ground - something most folk's systems are tied into.
  Still, as a manufacturer, I can't and don't assume this (or any other) is the circumstance with everyone. While I really enjoy custom type projects, standard production of the Poiema!!! R-v3, Alethias! and Enopias USB Digital Master USB cables all are Vbus powered and have ground to cover all installation variables.
  Might be good to note that what I do with Vbus and ground in standard production is exclusive to RSAD and minimizes noise artifacts to one degree or another depending on the cable model but, if appropriate conditions are met, eliminating one or both is better - says I.
  
  Cheers!
  
  Robert
  RSAD
  "The reasonable man adapts himself to the world. The unreasonable man persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man."
  Oscar Wilde
  
  Edits: 05/20/09
  - Yep, NJ (nt) - davidross 12:49:18 05/20/09 (0)
    (nt)

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