 |
| Identical to |
EF85
= 6BY7
= W719
= 6F19
= 6F26
|
| Similar
Tubes |
HF85 (Heater different)
XF85 (Heater different)
3BY7 (Heater different)
EF805S (Multiple differences or of other kind)
|
| First Series |
1951 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Jun.1951 : Funkschau (FS) # 12
|
| Predecessor Tubes |
EF41
|
| Successor Tubes |
EF89
EF183
|
|
| Base |
Noval, B9A
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.3 Ampere /
Vf 6.3 Volts /
|
| Dimensions (WHD) |
22 x 67 x mm / 0.87 x 2.64 x inch |
| Weight |
20 g / 0.71 oz |
| Tube prices |
4 Tube prices (visible for members
only)
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
 |
|
Collection JR
Jacob Roschy
|
|
RTT 1974 (Franzis) 13. Auflage
Martin Renz
|
|
Röhrenkartei der Funk-Technik
Iven Müller
|
|
 |