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Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

TC 2/250

0 archive entries

BrandPhilips
ClassTriode

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide-coated

Absolute Maximum Ratings

Plate Voltage2000 V
Plate Dissipation250 W
Cathode Current430 mA

Audio Performance

Key Features
  • Oscillator
  • H.F. amplifier

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
H.F. class C telegraphy2000 V———375 mA
H.F. class C telegraphy1500 V———360 mA
H.F. class B telephony2000 V———175 mA

Filters

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Manufacturers

Brands

    0 results
    H.F. class C anode modulation2000 V———260 mA
    H.F. class C anode modulation1500 V———260 mA