| Identical to |
EF8
= 4693
|
| Similar
Tubes |
EF13 (Multiple differences or of other kind)
EF38 (other base)
EF22_9pin (other base)
UF8 (Other base and other base diagram)
|
| First Series |
Apr.1938 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
May.1938 : Philips Bulletin
Mar.1938 : Daten und Schaltungen moderner ... Röhren; Philips
|
| Successor Tubes |
EF22_9pin
|
|
| Base |
Europe side contact base P (P8A) (Codex=Sa)
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 noise HF preamp tube
Text in other
languages (may
differ)
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
