Tube-number record
6JB5
0 archive entries
6JB5 is a tube type in the TubeDatabase archive (class: Beam Pentode). Recorded specifications: brand General Electric, year 1969, construction Beam tetrode / beam power, base Glass, socket Compactron, maximum plate voltage 350 V, and maximum plate dissipation 15 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassBeam Pentode
BaseCompactron
Filament6.3 V @ 800 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation15 W
Grid 2 Voltage300 V
Cathode Current75 mA
H-C Voltage200 V
Audio Performance
Key Features
- High perveance
- High plate dissipation
- High voltage screen grid
- T-12 bulb for reliability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Vertical-Deflection Amplifier Characteristic 1 | 60 V | — | — | — | 80 mA |
| Vertical-Deflection Amplifier Characteristic 2 | 250 V | 4100 | 50000 | — | 43 mA |
Application Notes
Designed for use as vertical-deflection amplifier in color television receivers.
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