• 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.

Parallel triodes: best connection?

Hello, do you think that the small resistances at the anode and the grid can help the coupling of the two parallel triodes due to the inherent different characteristics of the two tubes?

For example any pro or cons for 2K at the grid and 470 ohm at the anode (the B+ is connected to a 75K ohm)?


  • parall.jpg
    12.7 KB · Views: 204