Antique radios, Old Time Radios
WL-680
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Country:
United States of America (USA)
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| Identical to |
WL-680
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| Similar
Tubes |
Normally replaceable-slightly different:
38111A
Other characteristic (electr. data):
211
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| Base |
Jumbo 4-pin bayonet (1918)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
This tube is a low capacitance version of the RCA 211. It was designed for use in fever therapy oscillators.
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Dimensions (WHD)
incl. pins / tip |
x 210 x 64 mm / x 8.27 x 2.52 inch |
| Weight |
200 g / 7.05 oz |
| Information source |
Tube Lore (II) p. 182 & 259
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WL-680: Fin Stewart
Fin Stewart
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Just Qvigstad
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