• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

6DJ8 preamp voltage?

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needtubes

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Joined 2003
#1
For my next project, I think I am going to build a Pass SOZ v.6 or something. I will need something for voltage gain, though... and I was thinking a tube would be in order.

I would like to use a 6DJ8, and need enough voltage gain across that to drive my 8-ohm speakers with about 10-20 watts... but I am not sure what voltage I should run the tube on. 90V? Higher? Thanks for any help you can provide!
 
#2
Hi

I think between 200 and 300 Volts for optimal
performance.

However, If some contraint exists, also
100V or a bit less will be good.

It obviously depends on the contest:
max swing desired, max distortion allowed,load resistance.

Federico
 
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