Antique radios, Old Time Radios
4650
|
Country:
Netherlands
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|
| Identical to |
4650
|
| Similar
Tubes |
Normally replaceable-slightly different:
F443
; L495D
Other class quality (otherwise equal):
F443N
; L497D
|
| Predecessor Tubes |
F443
|
|
Successor Tubes
|
1947
EL60
EL34
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
|
| Filament |
Vf 4 Volts / If 2 Ampere / Direct / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 172 x 65 mm / x 6.77 x 2.56 inch |
| Information source |
-- Collector info (Sammler)
L'ABCDaire des lampes de TSF des jeunes années p. 73
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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|
4650: RTT Schwandt
Günther Stabe † 19.8.20
More ...
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Just Qvigstad
|
4650: Válvulas Miniwatt, 1954
Anonymous 15 Collector
More ...
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