Tube-number record
25EC6
0 archive entries
BrandGeneral Electric
ClassBeam Pentode
BaseOctal
Filament25 V @ 0.6 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12 Glass
Base MaterialShort Medium-Shell Octal 8-Pin
Filament / Heater
Heater NotesControlled heater warm-up characteristic for 600-milliampere series-connected heaters.
Absolute Maximum Ratings
Plate Voltage700 V
Plate Dissipation10 W
Grid 2 Voltage175 V
Grid 1 Voltage-300 V
Cathode Current200 mA
H-C Voltage200 V
Audio Performance
Key Features
- Controlled heater warm-up characteristic
- High performance at low supply voltages
- Designed for 110-degree-deflection picture tubes
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics 1 | 60 V | — | — | — | 350 mA |
| Average Characteristics 2 | 135 V | 7500 | 4700 | 3.8 | 70 mA |
Application Notes
Designed for use as a horizontal-deflection amplifier in television receivers.
0 results