6888
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BrandSylvania
ClassComputer Pentode
BaseOctal
Filament6.3V @ 800mA
Construction
Primary TypePentode
EnvelopeT9
Base MaterialLow Loss Phenolic
Sections1
Filament / Heater
Heater NotesHeater current tolerance +/- 5%
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8 W
Grid 2 Voltage150 V
Grid 1 Voltage-100 V
Cathode Current80 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dual control
- Computer pentode
- Long life
- Low failure rates
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 150V | - | - | 10 | 37.5mA |
| Pulse Operation | 150V | - | - | - | 145mA |
Application Notes
The Sylvania Type 6888 is a dual control, computer pentode designed for pulse amplifier, core driver and coincidence circuits.
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