Antique radios, Old Time Radios
12GN7A
|
|
|
|
|
| Tube type: |
Vacuum Pentode |
|
| Identical to |
12GN7A
|
| Similar
Tubes |
Normally replaceable-slightly different:
12HG7
Heater different:
12GN7
|
| First Source
(s) |
19.Oct.1964 : Electron Tube Registration List
|
| Base |
Noval, 9 pin miniature (USA pico-9) B9A
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 12.6 Volts / If 0.26 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Frame grid pentode for applications as high-Gm video amplifier. Controlled warm up time for heater string connection. Center tap allows heater operation at 6.3 volts, 600 milliamps.
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Information source |
Essential Characteristics, GE 1973
- - Manufacturers Literature
|
|
12GN7A: 12GN7A
Vitor Oliveira
|
Just Qvigstad
|
12GN7A: RCA Tube Manual
Peter Hoddow
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
Collection of
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
