Tube-number record
6AQ7-GT
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BrandGeneral Electric
ClassDuplex-Diode Triode
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeMulti-section
EnvelopeT-9, Glass
Base MaterialIntermediate Shell Octal
SectionsTriode-Double Diode
Filament / Heater
Heater NotesA-C or D-C
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1 W
H-C Voltage90 V
Audio Performance
Typical THD5%
Key Features
- Separate cathodes for diode and triode sections
- High-mu triode
- FM detector service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100 V | 1250 | 64000 | 70 | 1 mA |
| Class A1 Amplifier | 250 V | 1600 | 44000 | 70 | 2.3 mA |
Application Notes
Designed for service as a combined FM detector and audio amplifier in circuits requiring separate cathodes.
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