6F5
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BrandRCA Cunningham
ClassHigh-Mu Triode
BaseSmall Octal 5-Pin
Filament6.3V @ 300mA
Construction
Primary Typetriode
Envelopemetal
Sections1
Filament / Heater
Heater NotesA.C. or D.C.
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- Metal type
- Resistance-coupled amplifier suitable
- High-mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tentative Characteristics | 250V | 1500 | 66000 | 100 | 0.9mA |
| Resistance-Coupled Amplifier (Case 1) | 250V | - | - | - | 0.2mA |
Application Notes
Particularly suitable for use in resistance-coupled amplifier circuits. Diode-biasing is not recommended when used with 6H6 output.
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