Antique radios, Old Time Radios
PP4
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Country:
Europe
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| Identical to |
PP4
|
| Similar
Tubes |
Normally replaceable-slightly different:
E443H
; PM24M
; PP4101
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
|
| Filament |
Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC |
| Description |
Manufactured by Tungsram in the UK and Hungary.
Audio output 2.8W. Typ Va 250V; Ia 36mA; Vg -15; Ra 42k ohms; gm 3.5mA/V
|
Dimensions (WHD)
incl. pins / tip |
38 x 108 x mm / 1.50 x 4.25 x inch |
| Weight |
50 g / 1.76 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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PP4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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Collection of
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