6G8G
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ClassDuo-Diode Super-Control Pentode
BaseSmall Shell Octal 8-Pin
Filament6.3V @ 300mA
Construction
Primary TypeDuo-Diode Pentode
EnvelopeST-12
SectionsTriple (Two diodes, one pentode)
Filament / Heater
Heater NotesUni-potential Cathode
Absolute Maximum Ratings
Audio Performance
Key Features
- Super-control characteristics
- Two independent diode units
- Common cathode sleeve
- Skirted Miniature Cap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R-F or I-F Amplifier | 250V | 1100 | 850000 | 900 | - |
| R-F or I-F Amplifier (Higher Screen) | 250V | 1210 | 510000 | 600 | - |
| A-F Amplifier | 250V | - | 250000 | - | - |
Application Notes
The diode units may be used in half- or full-wave arrangements for signal detection or AVC. The cathode should preferably be connected directly to the mid-tap of the heater winding to keep potential difference low.
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