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300B

1 Tube in archive

BrandWestern Electric
ClassTriode power amplifier
BaseMedium 4-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 A1300V53007403.962mA
Single Tube Amplifier - Class A1350V50007903.960mA
Push-Pull Amplifier - Class A1300V-4000-100mA
Push-Pull Amplifier - Class A1350V-4000-170mA

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Usr(1)
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  • Usr 300B tube

    300B

    Branded Usr
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