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.
I named my amp Eratostene
since Eratostene measured the earth, much bigger than himself. same way I built this amp, and it was much difficoult than I can expect.
don't know if i explained well