 |
| Identical to |
EF14
|
| Similar
Tubes |
EF174 (other base)
UF14 (Heater different)
VF14 (Heater different)
|
| First Series |
Aug.1939 Tube leaflet collection E.Erb Analysis by original leaflets (T8) |
| Successor Tubes |
1948
EF42
EF174
EF80
|
|
| Base |
German Steel Y8A, 1938 (Codex=Rk)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.47 Ampere /
Vf 6.3 Volts /
|
| Description |
HF-Breitbandpentode
Text in other
languages (may
differ)
|
| Tube prices |
3 Tube prices (visible for members
only)
|
| Literature |
Röhren-Taschen-Tabelle 14.A, (Franzis RTT)
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
|
|
 |