Antique radios, Old Time Radios
CV1994
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Country:
Great Britain (UK)
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| Identical to |
CV1994
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| Similar
Tubes |
Multiple differences or of other kind:
CV28
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| Predecessor Tubes |
ACT9
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| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 16 Volts / If 22 Ampere / Direct |
| Description |
Forced air cooled for 1.1kW dissipation, 800W with convection/radiation cooling. Up to 15MHz full ratings, up to 80MHz with reduced input. Heater voltage is nominal as actual is marked individually on the valve. The STC reference type is 3J/121E. The MOV code is ACT9. Plain tungsten filament.
The CV1994 spec applies to the ACT9 tube without finned radiator. Some tubes came without radiator but marked as CV28. Probably they were seen as field replacement cartridges for complete CV28 tubes.
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| Weight |
2750 g / 97.00 oz |
| Information source |
-- Original-techn. papers.
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Collection of
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