Antique radios, Old Time Radios
12SN7
| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Triode Audio Frequency |
|
Tube ID = 15127 |
 |
| Identical to |
12SN7
|
| Similar
Tubes |
Other shape (e.g. bulb type):
12SN7GT
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 13 Volts / If: 0.3 Ampere / -: Indirect / -: Series, AC/DC / |
| Description |
EE: Codex gibt die Hälfte der Heizleistung an, wir haben auf 0.3 korrigiert.
Text in other
languages (may
differ)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
|
| Usage in Models (calculation each 25th of the
month) |
1= 1944? ; 1= 1947 ; 2= 1948 ; 2= 1952?? ; |
| Number of Models at Radiomuseum.org with
this tube (valve, valves, valvola, valvole,
válvula, lampe): 6 |
|
| No further Information
for |
12SN7 |
|
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