Antique radios, Old Time Radios
RK72
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Country:
United States of America (USA)
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| Identical to |
RK72
= RKR-72
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| Similar
Tubes |
Normally replaceable-slightly different:
3B24
; RX235
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
|
| Was used by |
Radar |
| Filament |
Vf 2.5 Volts / If 3 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
High-voltage vacuum rectifier. Anode to top cap. Used in T-2/APS-15 radar transmitter.
Thoriated-tungsten filament.
- 22 kV anode PIV.
- 20 mA DC
Replaceable by 3B24. Similar to RX-235.
|
| Information source |
Babani, International Radio Tube Encyclopaedia p. 288 & 289
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 50, p. 64 & 65
Taschenbuch zum Röhren-Codex 1948/49
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RK72: Raytheon Manual
Heinz Höger
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Just Qvigstad
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RK72: Raytheon Manual
Heinz Höger
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