Tube-number record
6Q7
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BrandRCA
ClassHigh-Mu Triode Duplex-Diode
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeTriode
EnvelopeAll-Metal
Sectionstwo diodes and a high-mu triode
Filament / Heater
Heater NotesA.C. or D.C.
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- All-Metal tube
- Combined detector
- Amplifier
- Automatic-volume-control
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Triode Unit) | 100 V | 800 | 87500 | 70 | 0.35 mA |
| Class A Amplifier (Triode Unit) | 250 V | 1200 | 58000 | 70 | 1.1 mA |
Application Notes
The triode unit is recommended for use only in resistance-coupled circuits. Lower amplification factor than type 75 allows handling larger input driving voltage without overloading.
Datasheets
Datasheet: 6Q7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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