 |
| Identical to |
HF94
= 12AU6
|
| Similar
Tubes |
EF94 (Heater different)
|
| First Series |
1950 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Nov.1951 : Funkschau (FS) # 22
|
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
MS
Martin Steyer
|
|
RTT 1974 (Franzis) 13. Auflage
Martin Renz
|
|
SEL Handbuch 1964
Peter Hoddow
|
|
|
