6KY8A
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BrandRCA
ClassHigh-Mu Triode—Beam Power Tube
BaseSmall Button Novar 9-Pin
Filament6.3V @ 1100mA
Construction
Primary TypeTriode-Beam Power Tube
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation12 W
Grid 2 Voltage150 V
Grid 1 Voltage-250 V
Cathode Current70 mA
H-C Voltage200 V
Audio Performance
Key Features
- Novar Type
- Coated Unipotential Cathode
- Combined Vertical-Deflection Oscillator and Amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit - Class A Amplifier | 250V | 1600 | 40000 | 64 | 1.4mA |
| Beam Power Unit - Class A Amplifier | 135V | 8400 | 18000 | 7 | 39mA |
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