Antique radios, Old Time Radios
PT2A
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Country:
Great Britain (UK)
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| Identical to |
PT2A
= PM22A
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| Base |
Europe 4-Pin B4 + side contact (Codex=Eoo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Pa <3W, Va=Vg2 <150;
Typ ia=18mA, Ig2=3, Vg1= -10.5, Rload=8.5k, Pout= 1.1W
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| Information source |
History of the British Radio Valve to 1940 p. 147
Wireless World (The), London (WW, 79) Nov 1934
Taschenbuch zum Röhren-Codex 1948/49
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PT2A: Fin Stewart
Fin Stewart
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Just Qvigstad
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PT2A: own collection
Peter den Boer
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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