Antique radios, Old Time Radios
C877
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Country:
United States of America (USA)
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| Identical to |
C877
= B-32B
= UV877
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| Base |
Swan-Bajonett B15
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 45 Volts / Direct |
| Description |
This tube was used in dry cell radios and was developed by General Electric in 1925. It had a short commercial life and was discontinued in 1929. The tube resembled an automotive light bulb and was connected between two of the 45 volt B batteries. It was used to protect filaments of the UV199 tubes in case of a short circuit with the battery wiring. The base was double contact Ba15D. The main use of the tube was in the RCA Radiola 25 receiver, where it was used as a current limiter at the junction of two 45 volt batteries.
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Dimensions (WHD)
incl. pins / tip |
x 56 x 35 mm / x 2.20 x 1.38 inch |
| Weight |
10 g / 0.35 oz |
| Information source |
Tube Lore (II) p. 80
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Just Qvigstad
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