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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

295

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BrandWestern Electric
ClassTriode
Base4-pin

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage135 V
Plate Dissipation1 W

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation135 V1450725010.55.5 mA

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