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TA 12/15

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BrandPhilips
ClassTransmitting Triode

Construction

Primary TypeTriode
EnvelopeWatercooled
Sections1

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage12000 V
Plate Dissipation7500 W
Cathode Current1250 mA

Audio Performance

Key Features
  • Watercooled anode
  • Tungsten filament
  • H.F. amplification

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
H.F. class B amplifier12000V5500730040800mA

Application Notes

Specifically designed for H.F. amplification in powerful transmitters for wavelengths down to 150 metres. For H.F. class C anode modulation (Heising system) the anode voltage should not exceed 10,000 volts.

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