Tube-number record
8BA11
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BrandGeneral Electric
ClassCompactron Triode - Twin Pentode
BaseCompactron
Filament8.4 V @ 450 mA
Construction
Primary TypePentode
EnvelopeCompactron
Sections3
Filament / Heater
Heater NotesHeater current centered at 0.45 Amperes; tolerance +/- 0.03 Amperes
Absolute Maximum Ratings
Audio Performance
Key Features
- Medium-mu triode
- Twin pentode with separate plates and number-3 grids
- Common screen (G2)
- Common number-1 grid (G1)
- Common cathode
Application Notes
The medium-mu triode section may be used as a vertical-deflection oscillator. The twin pentode section is intended for combined sync-AGC applications in television receivers.
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