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Amplifier/Receiver Manufacturer:



HT-37 with solid state rectifier plug in tubes. If you have chosen to use 5R4 and 5V4 rectifiers and don't need the solid state plugins, we also have that tube set in our store.


Primo tube set for receiver (see tube list below)

Amp Bias Type:

not applicable

Tube Quantity in ( )

Rectifier/regulator Tubes:

V16 = 0A2 (1)

V17 = solid state plugin (1) not included

V18 = solid state plugin (1) not included

Transmitter Tubes:

V1 = V13 = 12AX7/ECC83 (2)

V2 = V3 = V4 = V5 =V15 = 12AT7/ECC81 (5)

V6 =