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.
Dear All, just want some expert advise as i would like to replace my old preamp tube..6sm7- i manage to find this can be replace with 6sl7 or 6sm7 but for 6sm8 i simply could not find any information around see someone could help out, thx.Eric