Tube-number record
FTW 12-1
0 archive entries
FTW 12-1 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Brown Boveri, year 1953, construction Triode, socket Special / none, maximum plate voltage 12000 V, and maximum plate dissipation 20000 W. The archive does not yet hold a photographed example of this type.
BrandBrown Boveri
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeMetal-Glass
Sections1
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B AF Power Amplifier (2 tubes) | 12000 V | 20000 | — | 25 | 8600 mA |
| Class C RF Power Amplifier (Unmodulated) | 12000 V | 20000 | — | 25 | 4500 mA |
| Class C RF Oscillator (Industrial Use, Filtered DC) | 12000 V | — | — | — |
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