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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

AS 944

0 archive entries

BrandAEG
ClassCold Cathode Triode
BaseOctal

Construction

Primary TypeOther / special
EnvelopeGlass
SectionsTriode

Filament / Heater

Absolute Maximum Ratings

Plate Voltage380 V
Grid 1 Voltage90 V
Cathode Current25 mA

Audio Performance

Key Features
  • Inert gas-filled
  • Oxide-coated cathode
  • Any mounting position
  • Darkened valve operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Starter-triggered discharge140 V———15 mA

Application Notes

Free socket contacts must not be used for supporting any circuitry. Starter current can be lowered using a sweep capacitor between starter and cathode.

Filters

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Manufacturers

Brands

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