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2 Vintage R1131C Sylvania Crater-glow Modulator Audio Vacuum Tube Valve - Bangybang.tube
$70.00
|
Brand |
Sylvania |
|
Model |
R1131C |
|
Type |
Modulatable light source used in old timey facsimile machines |
| Description | Used for facsimile equipment. 5 to 35mA, 150V max. 15 to 15000Hz modulation frequency |
|
Similar/Equiv |
N/A |
|
Condition |
New in Box (NOS) |
|
Tubes per listing |
2 |
11XXX