Tube-number record
6CN7
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BrandGeneral Electric
ClassDuplex-Diode Triode
BaseNoval (B9A)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2 Glass
SectionsSeparate cathodes for diode and triode
Filament / Heater
Warm-up Time11s
Heater NotesControlled heater-warm-up characteristic for series-connected heaters
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1 W
H-C Voltage200 V
Audio Performance
Key Features
- Separate cathodes
- Controlled warm-up time
- Triode electrically identical to 6T8
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Condition 1) | 100 V | 1300 | 54000 | 70 | 0.8 mA |
| Class A Amplifier (Condition 2) | 250 V | 1200 | 58000 | 70 | 1 mA |
Application Notes
Primarily intended as horizontal phase detector and reactance tube in TV receivers; also sync-separator or audio-amplifier.
Datasheets
Datasheet: 6CN7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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