Tube-number record
25A6G
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BrandBrimar
ClassPower Pentode
BaseOctal
Filament25 V @ 300 mA
Construction
Primary TypePentode
EnvelopeG
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage160 V
Plate Dissipation5.3 W
Grid 2 Voltage135 V
Audio Performance
Key Features
- Indirectly heated
- Power Pentode
- For use in A.C./D.C. equipment
- Low operating voltages
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 95 V | 2000 | 45000 | — | 20 mA |
| Class A | 135 V | 2450 | 35000 | — | 37 mA |
| Class A | 160 V | 2400 | 42000 | — | 33 mA |
Datasheets
Datasheet: 25A6G.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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