Antique radios, Old Time Radios
CV25
|
Country:
Great Britain (UK)
|
|
| Identical to |
CV25
|
| Similar
Tubes |
Normally replaceable-slightly different:
211A
; 211B
; 211C
Other class quality (otherwise equal):
211
; 4242A
|
| Base |
Jumbo 4-pin bayonet (1918)
|
| Was used by |
Military and/or Government |
| Filament |
Vf 10 Volts / If 3.25 Ampere / Direct |
| Description |
4-pin jumbo base. 1.25KV max anode voltage, 85W plate dissipation, mu 12.5. 6MHz full ratings, operation at 30MHz possible with anode voltage reduced to 600V.
STC 4242A selected to CV25 specs.
|
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 |
Babani, International Radio Tube Encyclopaedia p. 190
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 30
-- Original-techn. papers.
Taschenbuch zum Röhren-Codex 1948/49
|
|
CV25: Manufacturer's Literature
Emilio Ciardiello
|
Just Qvigstad
|
CV25: Manufacturer's Literature
Emilio Ciardiello
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