 |
| Identical to |
F2a
|
| Similar
Tubes |
F2a11 (other base)
|
|
| Base |
EU-Telephone 9-pin, Siemens
|
| Was used by |
Telephony |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 2 Ampere /
Vf 6.3 Volts /
|
| Description |
Weitverkehrsröhre (Poströhre)
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Röhren-Taschen-Tabelle 11.A, 1967 (Franzis RTT)
|
|
|
|
|
|
E.K.
Anonymous 225 Collector
|
|
Datenblatt
Wolfgang Bauer
|
|
Ratheiser RTH,3.Aufl.,1964
Egon Penker
|
|
|
