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12AX7's & 6SN7.....

I recently purchased a Consonance Opera M99 integrated. I love it. I am now wanting to replace the tubes that came with it with NOS tubes. I am leaning towards Telefunkin and Mullard, but was wondering which will be the most quiet? i get a good little hum coming from my speakers now, and i'm aware that it's the nature of tubes, but which tubes should i use to get the buzz to a minimum?? it came with Sovtek's 12AX7's as the first SRPP stage and Shuguang 6N8P's (6SN7's) as the driver stage. thanks for any info you can provide...
kray

Showing 1 response by albertporter

albertporter's avatar
albertporter
4,949 posts
 
Tube noise is not brand sensitive. You can obtain quiet Sovtek's, Tele's and Mullards, or get noisy samples from these brands.

Go with a reliable tube dealer such as Andy Bauwman at Vintage. Have tubes selected for the purpose for which they are intended.

You mentioned hum from your speakers. This is not necessarily a tube or tube circuity issue. Could just as easily be grounding or magnetic proximity of other equipment.
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