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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

MC 1/50

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BrandPhilips
ClassTriode

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide

Absolute Maximum Ratings

Plate Voltage1000 V
Plate Dissipation50 W
Cathode Current175 mA

Audio Performance

Power Output22.5 W
Key Features
  • Oxide-coated filament
  • Directly heated
  • High power triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
LF class A amplification1000 V4000—1555 mA
HF class C telegraphy1000 V———137 mA
HF class C anode modulation1000 V———125 mA

Application Notes

Used for Oscillator, H.F. amplifier, Modulator, and L.F. amplifier.

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