Antique radios, Old Time Radios
AC/PT_7pin
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Country:
Great Britain (UK)
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| Identical to |
AC/PT_7pin
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| Similar
Tubes |
Other base:
ACPT
Multiple differences or of other kind:
PT16_Lissen
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| Base |
British-7-Pin, old (M7A)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.2 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Pa <7.5W, Va<250, Vg2<200;
Typ ia=31mA, Ig2=4, Vg1=-8.0, Rload=7.5k, Pout= 3W
Also available with a 5 pin base.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Wireless World (The), London (WW, 79) Nov 1934
History of the British Radio Valve to 1940
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Just Qvigstad
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