6AZ8
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BrandSylvania
ClassMiniature Triode-Pentode
Base9-Pin Miniature (E9-1)
Filament6.3V @ 450mA
Construction
Primary TypeTriode-Pentode
EnvelopeT6 1/2
SectionsDouble
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- Medium-mu triode
- Semi-remote cut-off pentode
- Designed for sync separator and clipper
- Suitable for video amplifier and AGC amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode | 200V | 3300 | 5750 | 19 | 13mA |
| Pentode | 200V | 6000 | 300000 | - | 9.5mA |
Application Notes
The heater-cathode voltage should not exceed the value of the operating cathode bias because the voltage between the heater and cathode is also applied between the cathode and Grid No. 3.
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