Overview
The tube lineup does vary from model to model, but this is a general compilation of tubes cross referenced to the military designations, that are used in the T-368 series for transmitters.
Fortunately, the majority of tubes, aside from the 6000 tube, are available at many hamfests, Or for replacement tubes, see the Resources section.
Main Chassis
DESIGNATION |
TUBE TYPE |
ALTERNATIVE |
APPLICATION |
V1 |
4-400A |
PA |
|
V2 |
5933 |
CLAMPER |
|
V3 |
OA2 |
VOLTAGE REGULATOR |
|
V4 |
5R4WGY |
EXCITER REGULATOR |
|
V5 |
OA2 |
VOLTAGE REGULATOR |
|
V6 |
OA2 |
VOLTAGE REGULATOR |
|
V7 |
OA2 |
VOLTAGE REGULATOR |
|
V8 |
OA2 |
VOLTAGE REGULATOR |
|
V9 |
4D21 |
4-125 |
MODULATOR |
V10 |
4D21 |
4-125 |
MODULATOR |
V11 |
5R4WGY |
BIAS REGULATOR |
|
V12 |
12AT7 |
6201 |
1st AF AMP, 2ND AF AMP |
V13 |
5814 |
3RD AF AMP, 4TH AF AMP |
|
V14 |
5726 |
CLIPPER |
|
V15 |
6C4W |
DRIVER |
|
V16 |
6C4W |
CATHODE FOLLOWER |
|
V17 |
5814 |
SIDE TONE OSCILLATOR |
|
V18 |
3B28 |
HV RECTIFIER |
|
V19 |
3B28 |
HV RECTIFIER |
|
V20 |
5726 |
KEYING DIODE |
|
V21 |
6AU6 |
KEYING RELAY CONTROL |
|
V22 |
6AH6 |
KEYING RELAY CONTROL |
|
V23 |
6AH6 |
PROTECTIVE RELAY CONTROL |
Exciter
DESIGNATION |
TUBE TYPE |
ALTERNATIVE |
APPLICATION |
V101 |
6AH6 |
2ND BUFFER, 1ST MULTIPLIER |
|
V102 |
6AH6 |
2ND MULTIPLIER |
|
V103 |
6AH6 |
3RD MULTIPLIER |
|
V104 |
6000 |
INTERMEDIATE PA |
Misc.
DESIGNATION |
TUBE TYPE |
ALTERNATIVE |
APPLICATION |
V801 |
5749 |
MASTER OSCILLATOR |
|
V802 |
1ST BUFFER |
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