Antique radios, Old Time Radios
X4122
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Country:
Germany
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| Identical to |
X4122
= RENS1224
= E448
= MH4100
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| Similar
Tubes |
Heater different:
X2818
|
| First year |
1933
Tube leaflet collection E.Erb Analysis by original leaflets
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| Predecessor Tubes |
U4100D
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Successor Tubes
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AK1
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| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lf)
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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X4122: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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X4122: Valvo-Röhren-Daten 1934
Jacob Roschy
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
Collection of a member from FIN |
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