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 own a amplifier Xindak MT-3.
I want to upgrade tube.
First preamp section tube 12AX7.
Can some one make recommendations for the this tube!?
Thanke you.