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Basic questions on configuring Tube AMP

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Sgrilli AD

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Joined 2012
boywonder said:
Sgrilli:

I don't know the answer to your question, but you need to consider what would happen with either or both switches in the "off" position. In either case, you have either the suppressor grid not connected to anything or the screen grid not connected to anything. For the most part, having tube grids floating is not a good idea.

For a couple of bucks, I would just get proper switches, or as Sagi mentioned, determine what mode you like during the build, and wire it that way.
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Hi boywonder,

Great ... this is the answer I was expecting. Now I can make a more informed decision.

I'll proceed under the guidance received. First, I will test all combinations off the PCB and then decide what is the best way.

Thank you so much

Sgrilli
 
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