Antique radios, Old Time Radios
T115
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Country:
Germany
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| Identical to |
T115
|
| Similar
Tubes |
Other base:
T115a
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Top contact screw type.
|
| Filament |
Vf 2.8 Volts / If 0.5 Ampere / Direct / Battery = |
| Description |
Electrometer tetrode with space charge grid for high impedance measurements.
Text in other
languages (may
differ)
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| Information source |
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- - -
- - -
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T115: RTT Franzis-Verlag
Wolfgang Holtmann
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Just Qvigstad
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T115: Funkschau Taschenbuch 1948
Anonymous 10 Collector
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