Antique radios, Old Time Radios
421A_WE
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Country:
United States of America (USA)
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| Identical to |
421A_WE
= 5998
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| Similar
Tubes |
Other characteristic (electr. data):
6AS7G
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| First Source
(s) |
15.Dec.1948 : - - Manufacturers Literature
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 2.4 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Power double triode, intended for series pass tube in voltage regulator circuits. µ = 5.5, Gm 18 to 20mS, 26W total anode dissipation. Similar to 6AS7G with higher mu.
Preliminary Western Electric datasheet dated December 1948.
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| Information source |
Tube Lore (I)
- - Manufacturers Literature
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421A_WE: rtt
Anonymous 10 Collector
More ...
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Just Qvigstad
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421A_WE: own collection
Peter den Boer
More ...
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