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Tube Database (1,270 tubes)

Other (7066), Pre (189), Power (67), Rectifier (19)
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TB 3/1000

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BrandPhilips
ClassTriode

Construction

Primary TypeTriode
EnvelopeGlass
Sections1

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage3000 V
Plate Dissipation500 W
Cathode Current700 mA

Audio Performance

Power Output130 W
Key Features
  • Oscillator
  • H.F. amplifier

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
L.F. class A amplification3000V8000387531167mA
H.F. class C telegraphy3000V---550mA

Application Notes

Thoriated tungsten emission. Plate dissipation reduces based on wavelength (lower than 8m reduces to 400W).

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