| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
PENTODE RF/IF-Stage Controlling (mu) |
|
Tube ID = 1425
|
 |
| Identical to |
6BA6
= EF93
= 6k4p
= W727
= CV454
|
| Similar
Tubes |
12BA6 (Heater different)
6660 (can normally be replaced - small diff'ce)
5749 (other class quality (otherw. equal))
6DG7 (other base)
2J6BA6 (other class quality (otherw. equal))
3BA6 (Heater different)
|
| First Series |
1946 -- Collector info (Sammler) |
| First Source
(s) |
Oct.1945 : Electron Tube Registration List
|
| Predecessor Tubes |
6SK7
6SG7
7A7
6SK7GT
7H7
6SD7GT
|
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zia)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.3 Ampere /
Vf 6.3 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
|
|
 |
|
MB
Martin Bösch
|
|
Tabu Röhren-Codex, 1948
Anonymous 15 Collector
|
|
GE Data Sheet
Egon Penker
|
|
 |