6528A
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ClassMedium Mu Twin Power Triode
BaseOctal
Filament6.3V @ 5mA
Construction
Primary TypeTriode
EnvelopeT-16 Nonex
Base MaterialLarge wafer octal 8 pin with metal sleeve
SectionsTwin
Filament / Heater
Warm-up Time30s
Heater Notes6.3V +/- 10%
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation30 W
Grid 1 Voltage-300 V
Cathode Current300 mA
H-C Voltage300 V
Audio Performance
Key Features
- Ceramic spacers
- Gold plated strap frame grids
- Rugged construction
- Continuous vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Per Section | - | 37000 | 245 | 9 | - |
Application Notes
Well suited for use as a pass tube in series regulated power supplies. Ceramic spacers used rather than mica for mechanical stiffness.
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