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Pre-amps with seperate power supplies .....

I have a pre-amp with a seperate power supply that is connected by an umbilical cord. I am not an electrical engineer and I do not pretend to be one nor do I play one on TV.....I am pretty sure that there is DC current going from the power supply to the main pre-amp to power that component. Does it make any sonic sense to upgrade that umbilical cord seeing how that it is ''only'' carrying DC current ????? The pre-amp in question is a Classe' CP-700. I have asked this very same question to the fine people at Classe' and they said improving that cord would not make any difference.... So, I will ask that question here and also see if anybody has actually upgraded that power cord.
garebear

Showing 1 response by jmcgrogan2

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jmcgrogan2
6,346 posts
 
I am not an electrical engineer and I do not pretend to be one nor do I play one on TV.....

But....did you stay at a Holiday Inn last night? Because apparently, that may qualify you as an EE. LOL!!

I also have a preamp with a separate power supply, and have considered the same path. I own a Cary SLP-98P F1, and I know of one company that makes an upgraded umbilical cord for the Cary. Revelation Audio Labs (RAL). I even know one guy who owns the RAL and swears by it, I have also seen a couple of SLP-98's list on Audiogon with the upgraded RAL cord.
I also have heard a rumor that Cardas also supplies and upgraded umbilical cord for the Cary, but I did not check with Cardas to verify this.

I did go so far as to buy a used RAL umbilical cord, that was used on a Supratek and according to RAL was also compatible with the Cary, but it did not fit, so I sent it back. At this point I'm just listening to the preamp with the stock umbilical, but upgraded tubes and power cord to the power supply. I have never actually heard an 'upgraded' umbilical cord.
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