6R7GT
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BrandHytron
ClassDuplex-Diode Triode
BaseSmall Octal
Filament6.3V @ 300mA
Construction
Primary TypeDuplex-Diode Triode
EnvelopeT-9C
SectionsTriode, Two Diodes
Filament / Heater
Heater NotesVoltage between heater and cathode should be kept at a minimum if direct connection is not possible.
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- Cathode type duplex tube
- Medium-mu triode
- Two diodes
- Single glass envelope
- Interchangeable with 6R7G
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250V | 1900 | 8500 | 16 | 9.5mA |
Application Notes
Performs functions of detection, automatic volume control, and audio amplification. For operation of diode units refer to type 85. For characteristic curves refer to type 6R7G.
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