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Tube-number record
300B
1 archive entry
300B is a tube type in the TubeDatabase archive (class: Triode power amplifier). Recorded specifications: brand Western Electric, construction Triode, base Medium 4-pin with skew bayonet pin, socket 4-pin, maximum plate voltage 400 V, and maximum plate dissipation 36 W. The archive holds 1 photographed example of this type.
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Tube Amplifier - Class A1 | 300 V | 5300 | 740 | 3.9 | 62 mA |
| Single Tube Amplifier - Class A1 | 350 V | 5000 | 790 | 3.9 | 60 mA |
| Push-Pull Amplifier - Class A1 | 300 V | — | 4000 | — |
Datasheets
Datasheet: 300B.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.