 |
| Identical to |
DF25
|
| First Series |
1941 -- Collector info (Sammler) |
| Predecessor Tubes |
DF21
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=Woq)
|
| Filament |
If: 0.025 Ampere /
Vf 1.2 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
|
MS
Martin Steyer
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
