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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

D1C

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BrandPhilips Miniwatt
ClassTriode for ultra short wave (button tube)
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeButton
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage135 V
Plate Dissipation0.5 W
Grid 1 Voltage-0.2 V
Cathode Current4 mA

Audio Performance

Key Features
  • Battery operated
  • Ultra short wave capability
  • Directly heated

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
typical135 V66724000162 mA

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