Heathkit TT-1 Operation

ECIFICATIONS
Power Requirements:. .........0005 tee
Plate Supply (Silicon Rectifiers):.........
Signal Voltages:... 0.0... 0... 0c cee wees
Filament Supply:........0..0. 00000 ce eee
Voltage: 105-125, 60 cycle
Watts: 10-60 (dependent upon tube under test).
DC volts: 26, 90, 135, 225, variable 80 to 200.
AC volts: 20, 45, 177.
(Separate DC supply for space charge grids.)
Low Range: 0 te negative 5 volts DC,
High Range: 0 to negative 20 volts DC.
2, 1, .5, .25 volts AC, 5000 cycles.
Voltages:
.65 5 27.5
1.1 §.3 35
1.5 7.5 47
2 10 70
2.5 13 115
3.3 20
Currents: 300, 450, 600 ma.
NOTE: Filament voltage is reduced 10% during
1 ife taat
11,0 UU DL.