Antique radios, Old Time Radios
4181B
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Country:
Great Britain (UK)
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| Identical to |
4181B
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| Base |
SPECIAL TUBEBASE in general
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| Filament |
--/-- |
| Description |
No of Stages..... 11
Sensitivity A/Lumen..... 200
Gain..... 3.0 x 106
Anode-Cathode Volts..... 950 Typ 1250 Max
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Dimensions (WHD)
incl. pins / tip |
29 x 125 x mm / 1.14 x 4.92 x inch |
| Information source |
- - Manufacturers Literature
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