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Rhea and tube noise....????

I have auditioned the new Aesthetix Rhea (early version) and was pleased with it. I only had it in operation for a few days. However, I am getting reports for users that the unit does exhibit some tube noise. The suggested remedy for this is NOS tubes, which could be costly.

Here are my questions: Any Aesthetix Rhea users out there have experienced tube noise with their unit??? If so, what was the solution??

Have any of you replaced the tubes with NOS, and if so....which ones....??...and at what cost???

Thanks again everyone!!
rwd
rex
245 posts
 
When I first got my Rhea there was a bit of "tube rush" like noise. It went away during the first 50 hours of use, and it's been dead-silent in operation since. BTW I have a low-output MC cartridge, so gain is set pretty high.
rushton's avatar
rushton
2,445 posts
 
The Rhea is like the Io - dead quiet with the stock tubes. Due to the amount of gain being generated in both units, the first gain stage tubes are critical. The factory very carefully selects these tubes for low noise; so people changing these should be careful to get very special tubes indeed. I use an Io signature with a 0.4mv MC cartridge and have no tube noise at all, and the audio circuits of the Rhea and Io are substantially similar.
rwd OP
695 posts
 
Thanks to all....a big sigh of relief.
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