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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

A 106

0 archive entries

BrandPhilips
ClassTriode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass
Sections1

Filament / Heater

MaterialThorium-tungsten

Absolute Maximum Ratings

Plate Voltage100 V
Cathode Current10 mA

Audio Performance

Key Features
  • Low filament current
  • Battery operation (1.5V element)
  • High vacuum

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
LF Amplifier (Va=60V)60 V4001500066 mA
LF Amplifier (Va=80V)80 V4001500066 mA
LF Amplifier (Va=100V)100 V4001500066 mA

Application Notes

Specifically manufactured for low-frequency amplification. Can also be used as a detector. Requires a rheostat of at least 12 ohms in series for filament voltage control.

Filters

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Manufacturers

Brands

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    Detector20 V————