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Other (7066), Pre (189), Power (67), Rectifier (19)
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TA 12/20

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BrandPhilips
ClassTriode

Construction

Primary TypeTriode
EnvelopeWater-cooled
SectionsSingle

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage12000 V
Plate Dissipation10400 W

Audio Performance

Key Features
  • Water-cooled
  • Tungsten cathode
  • HF Power Triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF class C telegraphy12000V---2700mA
HF class B telephony12000V---1540mA
HF class C anode modulation10000V---1400mA

Application Notes

Used as Modulator or HF amplifier.

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