Antique radios, Old Time Radios
GU1
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Country:
Great Britain (UK)
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Brand:
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| Developer: |
MO Valve Co. Ltd.; GB |
| Tube type: |
Half-Wave Mercury-Vapor Rectifier Power-supply |
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Ca. 1925 up to 1945 rare. |
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| Identical to |
GU1
= VT138_GPO
= CV1623
= RG1/250
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| Similar
Tubes |
Normally replaceable-slightly different:
CV1262
Different maximum ratings:
GU50
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Successor Tubes
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GU50
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Industrial |
| Filament |
Vf 4 Volts / If 3 Ampere / Direct / Specified voltage AC/DC |
| Description |
Va<1kV and Ia<250mA mean with 30s delayed application of HT.
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| Information source |
- - Manufacturers Literature Osram wireless guide, 1931
Babani, International Radio Tube Encyclopaedia Pages 278 & 279
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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GU1: Internet
Miguel Angel Trujillo-Rodriguez
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GU1: rtt
Anonymous 10 Collector
More ...
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Just Qvigstad
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GU1: Osram wireless guide, 1931
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
Collection of a member from D Collection of a member from D |
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