• 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.

12v Tube amp


2010-10-04 7:41 am
Hy all there i am tinking of building a tube amp that runs on 12v dc.
I found some shematics but as i read more i get more confused .

As all things start here so did i
Sopht amps - all tube 12v amps

but i got lost on the output tube what to use .

I am want 0,1-0,5 w output.

Pleas help what to use

12U7 as preamp

an now the problem


What to use all the shematics that i found are for gitar amps an i am afraid that the sound will be dirty.

Tnx in advance