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.
a tube was shorting out inside a el34 - making horrible noise - i swapped for a new one but channel r is completely dead - i looked at circuit diagram - could not find any fuses are there any please
