Tube-number record
TA 12/35
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TA 12/35 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Philips, construction Triode, maximum plate voltage 15000 V, and maximum plate dissipation 16000 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass with water-cooled anode
Sections1
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation16000 W
Audio Performance
Power Output40000 W
Key Features
- Water-cooled
- Three-phase filament
- High frequency amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 12000 V | 15000 | 3000 | 45 | 1250 mA |
| L.F. Class B amplification (two valves) | 12000 V | — | 1375 | — | 5000 mA |
| H.F. Class C telegraphy | 15000 V | — | — | — |
Application Notes
Used as H.F. amplifier or L.F. Class B amplifier. Water cooling required at 20 l/min.
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