Antique radios, Old Time Radios
GD90M
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Country:
Great Britain (UK)
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| Identical to |
GD90M
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| Similar
Tubes |
Normally replaceable-slightly different:
0H3
; 90C1
; StR90/40
Other class quality (otherwise equal):
M8206
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
--/-- |
| Description |
Voltage Stabiliser Tube
Nominal burning Voltage: 90V (86...94V)
Operating current range: 1...40mA.
Incremental regulation resistance at 20mA: 350 ohms nom.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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