Antique radios, Old Time Radios
PY31
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Country:
Great Britain (UK)
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| Identical to |
PY31
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 17 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Description |
Va <1 kV piv, 250 rms; Ia < 125ma.
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| Information source |
- - Manufacturers Literature
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PY31: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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PY31: AH eigene Sammlung
Alexander Hofer
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Just Qvigstad
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PY31: Manufacturer's Literature
Emilio Ciardiello
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31
Collection of
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