| |
|
|
|
|
| |
Tube type: |
PENTODE Universal |
|
Tube ID = 3366
|
 |
| Identical to |
EF6bi
|
| Similar
Tubes |
EF6 (other class quality (otherw. equal))
|
| First Source
(s) |
1949 : Rundfunk-Röhren, Ratheiser, 1949
|
| Predecessor Tubes |
EF6
AF7
|
| Successor Tubes |
1948
EF40
|
|
| Base |
Europe side contact base P (P8A)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.2 Ampere /
Vf 6.3 Volts /
|
| Description |
Low hum version of the EF6 with bifilar wounded heater
Text in other
languages (may
differ)
|
| Literature |
Rundfunk-Röhren, Ratheiser, 1949
|
|
|
|
|
|
I.M.
Iven Müller
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
|
