Antique radios, Old Time Radios
12H4
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| Tube type: |
Triode, vacuum |
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| Identical to |
12H4
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 12.6 Volts / If 0.15 Ampere / Indirect |
| Description |
Miniature medium mu single triode; except for heater and base, similar to single section of a 6SN7.
Text in other
languages (may
differ)
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| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Essential Characteristics, GE 1973
- - Manufacturers Literature
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12H4: RTT Schwandt
Günther Stabe † 19.8.20
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Just Qvigstad
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12H4: Manufacturer's Literature
Emilio Ciardiello
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