RE: KT150 puzzle (longish)

Tubes Asylum

Questions about tubes and gear that glows. FAQ

In Reply to: RE: KT150 puzzle (longish) posted by Nunki on August 21, 2024 at 01:09:10:

Tubes do not work like that in a Push:Pull circuit.

The need for the tubes to be matched is based on how the signal is shared between the different halves of the circuit.
If the two tubes are not matched, or at least close (sounds like this amp has an auto bias circuit which can compensate for slight differences)
Then the amplification is uneven, and can create serious problems
There will be audible aspects as well as electrical.
Happy Listening

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Follow Ups Full Thread

Topic - KT150 puzzle (longish) - tlea 18:42:39 08/20/24 (7)

Lessons Learned - tlea 18:13:03 08/28/24 (0)

RE: KT150 puzzle (longish) - 6bq5 20:13:08 08/20/24 (5)

RE: KT150 puzzle (longish) - Nunki 01:09:10 08/21/24 (4)

RE: KT150 puzzle (longish) - 6bq5 11:05:35 08/21/24 (0)

Surprising - tlea 07:14:22 08/21/24 (2)

RE: Surprising - 6bq5 11:37:22 08/21/24 (0)

You'll need to crank it up a bit! - Ralph 11:12:44 08/21/24 (0)

Follow Ups

RE: KT150 puzzle (longish) - 6bq5 11:05:35 08/21/24 (0)

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