| Country: |
Europe |
|
Brand: |
Common type Europe |
| |
Tube type: |
Double Diode-Pentode RF/IF-Stage Controlling (mu) |
|
Tube ID = 720
|
 |
| Identical to |
EBF80
= 6N8
= ZD152
= WD709
|
| Similar
Tubes |
12N8 (Heater different)
|
| First Series |
1950 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Jun.1949 : -- Original-techn. papers.
Aug.1950 : Funk-Technik (FT) # 15
|
| Predecessor Tubes |
EAF42
EBF11
EBF2
6H8MG
6H8G
|
| Successor Tubes |
EBF89
|
|
| 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 |
| Tube prices |
5 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
|
|
Röhrenkartei der Funk-Technik
Iven Müller
|
|
 |