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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

300B

1 archive entry

BrandWestern Electric
ClassTriode power amplifier
Base4-pin

Construction

Primary TypeTriode
EnvelopeST-16
Base MaterialMedium 4-pin with skew bayonet pin
SectionsSingle

Filament / Heater

MaterialCoated Filament

Absolute Maximum Ratings

Plate Voltage400 V
Plate Dissipation36 W

Audio Performance

Power Output8 W
Key Features
  • Filamentary type triode
  • Audio-frequency power amplifier

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single Tube Amplifier - Class A1300 V53007403.962 mA
Single Tube Amplifier - Class A1350 V50007903.960 mA
Push-Pull Amplifier - Class A1300 V—4000—

Datasheets

Datasheet: 300B.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

1 tube found

Manufacturers

Brands

Usr1
100 mA
Push-Pull Amplifier - Class A1350 V—4000—170 mA
  • Usr 300B tube — photo 1 of 3
    Usr 300B tube — photo 2 of 3
    Usr 300B tube — photo 3 of 3

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    Photo 1 of 3

    300B

    Brand
    Usr
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