RE: Seimens Ba tubes

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In Reply to: Seimens Ba tubes posted by unclestu on July 2, 2015 at 00:35:04:

They are kind of like the German equivalent of the WE 102D. They are directly heated, have a pretty high plate resistance. Usually they need an output transformer to work effectively as a line stage. 3.5 volt / 0.5 amp filament that really wants a battery as a source to be quiet.

These can make a great line stage, but it is a tough build. They are worth $30 to $40 each. Much more popular (meaning there are at least some people using them) in Europe. Harder to implement than a 26.

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Topic - Seimens Ba tubes - unclestu 00:35:04 07/02/15 (1)

RE: Seimens Ba tubes - Chip647 04:52:21 07/02/15 (0)

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RE: Seimens Ba tubes - Chip647 04:52:21 07/02/15 (0)

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