Antique radios, Old Time Radios
V_Western
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Country:
United States of America (USA)
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| Identical to |
V_Western
= 102A
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| First year |
1915
Saga of the Vacuum Tube, Tyne page 97, 280
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| First Source
(s) |
1914 : Saga of the Vacuum Tube, Tyne page 97, 280
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Telephony |
| Filament |
Vf 4 Volts / If 1.3 Ampere / Direct / Battery = |
| Description |
Project coding for 102 series. The first experimental V tubes were made about the middle of 1914, and the first commercial product appeared early in 1915. The code designation 102A Telephone Repeater Element was assigned to this tube in 1916. Other code designation for the 102A repeater bulb, for higher "voltage" amplification. But also higher output impedance, which required an L tube as second (power) stage.
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| Information source |
Tube Lore (II) p. 233
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Just Qvigstad
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Collection of
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