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Amplifier/Receiver Manufacturer:



HT-37 with no rectifiers. If you have chosen to use 5R4 and 5V4 rectifiers or need the solid state plug ins, 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 = not included

V18 = not included

Transmitter Tubes:

V1 = V13 = 12AX7/ECC83 (2)

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