6CM7
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BrandGeneral Electric
ClassDissimilar Double Triode
BaseSmall Button 9-Pin
Filament6.3V @ 600mA
Construction
Primary TypeDouble Triode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesControlled heater warm-up characteristic
Absolute Maximum Ratings
Plate Voltage500 V
Plate Dissipation5.5 W
Grid 1 Voltage-200 V
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Controlled heater warm-up characteristic
- Dissimilar double triode
- High-perveance Section 2
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 (Oscillator) | 200V | 2000 | 10500 | 21 | 5mA |
| Section 2 (Amplifier) | 250V | 4400 | 4100 | 18 | 20mA |
Application Notes
Intended for use as a combined vertical-deflection oscillator and amplifier in television receivers. Section 1 used as a blocking oscillator; Section 2 used as a vertical amplifier.
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