Antique radios, Old Time Radios
308A
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Country:
United States of America (USA)
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| Identical to |
308A
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| Similar
Tubes |
Different maximum ratings:
308B
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| Predecessor Tubes |
D88057
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| Base |
Large 4 pin Bayonet
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 14 Volts / If 6 Ampere / Direct / Specified voltage AC/DC |
| Description |
Low mu variant of 212E, suitable as audio power amplifier. Mu 8, 2250V, 250W anode dissipation. Thoriated tungsten filament.
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Dimensions (WHD)
incl. pins / tip |
x 345 x 92 mm / x 13.58 x 3.62 inch |
| Weight |
744 g / 26.24 oz |
| Information source |
Tube Lore (I)
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308A: Fin Stewart
Fin Stewart
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Collection of
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