 |
| Identical to |
1561 = RGN2004 = 4655 = WE52 = DW4/350 = 75301 = VG3016 = GL4 = PV4200
|
| Similar
Tubes |
Normally replaceable-slightly different: DW4/500; G4120_Triotron; R561; VG280; VG420; VG4200 Other base: 1561_UX
|
| First Series |
1928 Tube leaflet collection E.Erb Analysis by original leaflets |
| Successor Tubes |
AZ12
AZ4
AZ2
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Filament |
Vf 4 Volts / If: 2 Ampere / -: Direct / |
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
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Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
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Sammlung GJ
Gerd Junginger
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Telefunken Werkstattbuch
Wolfgang Bauer
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Valvo-Röhren-Daten 1934
Jacob Roschy
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