Antique radios, Old Time Radios
3171a
|
|
|
|
|
| Tube type: |
Vacuum Pentode Universal |
| |
Late but very rare. *** |
|
| Identical to |
3171a
|
| Similar
Tubes |
Other characteristic (electr. data):
C3d
Other base and data slightly different:
AF7
|
| Base |
EU-Telephone 7-pin (G7K)
Top contact with a cap.
|
| Was used by |
Military and/or Government |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
Hersteller vermutlich Siemens Wien, Ua=250V, Ia=10mA, Ug2=150V, Ig2=4mA, Ug1=-2V, S=3,5mA/V, Ri=750kΩ, Pamax=3W, Pg2max=0,8W
|
| Information source |
|
|
3171a: Lorenz Empfänger-Röhren ,9. Auflage
Anonymous 54 Collector
|
Just Qvigstad
|
|
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 |
|
|
|
