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RE: Recommended bias for KT120's...

Posted by tube Tom (A) on August 5, 2023 at 21:43:50

In Reply to: Recommended bias for KT120's... posted by tube Tom on August 4, 2023 at 15:22:10:

There is surprisingly little info ( Make sure the bias is between 80 and 100 ma after 60 seconds or so, and is between 90 and 110 ma after 20 minutes or more of operation. ) and no picture of layout or even mention of rectifier tube on Quicksilver site. I did find some other info from someone who sold a pair & said they could take KT90's & KT120's but no KT150's. They even have 100ma printed by the tubes "DOE!". So yes they will take KT120's "and barely break a sweat" as the seller said.

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