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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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 Post subject: OK Tubes
PostPosted: 11 Oct 2017, 11:28 
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Joined: 30 Aug 2017, 09:49
Posts: 36
Had any one used JJ 6SN7 or 6SL7 tubes in any HiFi amps. The reason I am asking is I am out of all my new old stock 6SN7 tubes made in Clearfield Pa by Sylvainna. I have never used any Russian 6SN7 as most of them have hum. But the 6SL7 work fine. I have an order for some new amps and was wandering about the JJ tubes.

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 Post subject: Re: OK Tubes
PostPosted: 11 Oct 2017, 19:44 
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Joined: 08 Aug 2009, 03:11
Posts: 2229
Location: Chilliwack, BC
I have the 6SN7. They're quiet, a little boring and 50/50 will have h-k failure when used SRPP with more than 150V across each tube.
(still like the Reflektor "OTK" 6H8C better)

No problem with them run non-totem and in a place "sonics" matter less, like the PI.

Cheers!

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