• 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.

List of current production types


Paid Member
That list is a little out of date..

Reflector is now ExpoPul and is owned by Mike Matthews/New Sensor Corp.

Shuguang makes both mesh plate globe and conventional 300B in addition to the other types listed. Quality reportedly has improved a lot.. No direct experience.

EI doesn't make anything and the alleged acquisition by WE has yet to bear fruit.

TJ, a major boutique manufacturer of dht types was not mentioned at all IIRC.. They make 205D, PX4, P25, 45, 2A3, 300B, 845 and several others.