 |
| Identical to |
DL11
|
| Similar
Tubes |
DL21 (other base and data slightly different)
|
| First Series |
1940 -- Collector info (Sammler) |
| First Source
(s) |
May.1940 : Funkschau (FS) 1940 #4
|
| Predecessor Tubes |
KL5
|
|
| Base |
German Steel Y8A, 1938 (Codex=Roo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.05 Ampere /
Vf 1.2 Volts /
|
| Tube prices |
4 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
collection JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
