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.
hi guys I have a saba electro sound 400 am wondering if there is any one out there who may have a circuit can't seen to find one any were theres are really good 1960's radio gram 😕