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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

312

0 archive entries

312 is a tube type in the TubeDatabase archive (class: Small-signal Pentode). Recorded specifications: brand Western Electric, construction Pentode, socket 4-pin, maximum plate voltage 180 V, and maximum plate dissipation 1.2 W. The archive does not yet hold a photographed example of this type.

BrandWestern Electric
ClassSmall-signal Pentode
Base4-pin

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage180 V
Plate Dissipation1.2 W
Grid 2 Voltage180 V

Audio Performance

Key Features
  • Filamentary Cathode
  • Suppressor Grid Pentode
  • Small signal amplifier tube

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation180 V12505000006253.5 mA

Filters

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Manufacturers

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