Antique radios, Old Time Radios
12
 |
| Identical to |
12 = WD12 = C12_Triode
|
| Similar
Tubes |
Other base:
11; C11; CX12; UX112/A; WD11; WX12
|
| Successor Tubes |
1925
WX12
CX12
|
|
| Base |
UV-Base (4 Pins+Bayonet, USA 1914) (Codex=Bo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1 Volts / If: 0.25 Ampere / -: Direct / -: Battery = / |
| Description |
Ua = 90 V; Ia = 2,5 mA; Ug1 = -4,5 V; Ra = 15,5 kOhm; S 0,425 mA/V
V = 6,6
Text in other
languages (may
differ)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
|
KoBi
Konrad Birkner
|
|
|
| Usage in Models (calculation each 25th of the
month) |
1= 1926 ; 2= 1928 ; 2= 1930?? ; 2= 1933?? ; 1= 1967 ; |
| Number of Models at Radiomuseum.org with
this tube (valve, valves, valvola, valvole,
válvula, lampe): 8 |
|
| No further Information
for |
12 |
|
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[rmxtube-en] |
