Amplifier/Receiver Manufacturer:

Hallicrafters

Model:

HA-1 W9TO Keyer

Description:

Primo tube set for this fine keyer - all tubes included (see tube list below)

Amp Bias Type:

not applicable

Tube Quantity in ( )

Rectifier/regulator Tubes:

0A2 (1), 0B2 (1)

Keying logic Tubes:

12AU7/5963 (4)

RF Output Tubes:

none

Total Tubes in this set:

6