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Scott 340a and 399 receivers

I have not needed to replace output tubes on my 340a or 399...when it comes time, is the 340 auto bias? Does one need to buy a matched pair or quad for it? I see a "dc balance" control though.

The 399 looks like there is a bias adjustment. Any advice on what/how one needs to do when replacing output tubes on either receiver would be appreciated?

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Topic - Scott 340a and 399 receivers - onemug 17:38:10 05/05/17 (8)


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