Tube-number record
25AC5GT/G
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BrandTUNG-SOL
ClassTriode Power Amplifier
BaseOctal
Filament25 V @ 0.3 mA
Construction
Primary TypeTriode
EnvelopeT-9
Base MaterialIntermediate 6 Pin Octal Base
Sections1
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation10 W
Audio Performance
Typical THD10%
Power Output2.7 W
Key Features
- High-mu power output triode
- Designed for service with positive grid bias
- Dynamic coupled circuit compatibility
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 110 V | 3800 | 15200 | 58 | 45 mA |
| Dynamic-Coupled Class A1 (Driver 6AE5GT/G) | 110 V | — | — | — | 45 mA |
| Dynamic-Coupled Class A1 (Driver 6P5GT/G) | 180 V | — | — | — |
Application Notes
Designed for service with positive grid bias in dynamic coupled circuits employing a type 6AE5GT/G, 6P5GT/G, 76, or 37 as a driver.
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