Antique radios, Old Time Radios
25Z4G
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Country:
Great Britain (UK)
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Brand:
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| Tube type: |
Half-Wave Vacuum Rectifier Power-supply |
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| Identical to |
25Z4G
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| Similar
Tubes |
Other shape (e.g. bulb type):
25Z4
; 25Z4GT
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Description |
Note jumper pin 3 to 5 !
Text in other
languages (may
differ)
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| Information source |
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 141
Babani, International Radio Tube Encyclopaedia P. 252 & 253
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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25Z4G: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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25Z4G: BRIMAR datasheet
Jacob Roschy
More ...
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Just Qvigstad
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25Z4G: https://frank.pocnet.net/sheets/155/2/25L6GT.pdf
Tim Küpper
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16
Collection of
Collection of a member from FIN Collection of a member from D |
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