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RE: 12av7 tubes

Posted by DAK (A) on February 25, 2017 at 08:45:45

In Reply to: 12av7 tubes posted by mpcrnc@aol.com on February 24, 2017 at 14:24:34:

There are a lot of 12av7 types that were not designed for audio use. Many were used in analog computers. They can be good sounding and cheap to buy, but unfortunately you might need to test a few to get the ones that are good. I have tried some RCA and GE 5965 in my SE RH84 and 6L6 and as a driver/input tube they were ok. But perhaps in my use, not as critical as a preamp tube

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