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Tube Database (1,270 tubes)

Other (3257), Pre (2314), Power (1030), Rectifier (740)
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Tube-number record

E 424N

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BrandPhilips
ClassTriode
BaseSpecial / none
Filament4 V @ 1000 mA

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation1.5 W
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage50 V

Audio Performance

Key Features
  • Miniwatt
  • Detector
  • L.F. amplification
  • Oscillator

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Normal200 V240010000246 mA
Maximum Slope200 V3500———

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