Antique radios, Old Time Radios
27M12A
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Country:
Great Britain (UK)
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| Identical to |
27M12A
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| Similar
Tubes |
Other class quality (otherwise equal):
27M12
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| First Source
(s) |
Apr.1961 : - - Manufacturers Literature Data Sheet Advance data
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| Predecessor Tubes |
27M12
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| Base |
Wires only.
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| Filament |
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| Description |
9 stage Shock-Resistant Photo-multiplier.
Va<585, Ia<1mA. Current Gain 20,000 with 65V per stage.
Peak spectral response 4650 Å
Improved version of 27M12
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Dimensions (WHD)
incl. pins / tip |
30 x 77 x mm / 1.18 x 3.03 x inch |
| Information source |
- - Manufacturers Literature
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27M12A: Original data sheet
Michael Poll
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