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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 1/75

0 archive entries

BrandPhilips
ClassTriode

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide-coated, directly heated

Absolute Maximum Ratings

Plate Voltage1500 V
Plate Dissipation75 W
Cathode Current200 mA

Audio Performance

Power Output170 W
Key Features
  • Oxide-coated cathode
  • Directly heated
  • Oscillator
  • H.F. amplifier

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Characteristics1250 V5000——75 mA
L.F. class B amplification (two valves)1250 V—3350—40 mA
H.F. class C telegraphy1500 V———

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Brands

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    123 mA
    H.F. class B telephony1500 V———65 mA
    H.F. class C anode modulation1250 V———115 mA