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6SC7 / 12SC7

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BrandGeneral Electric
ClassHigh-mu Twin Triode
BaseOctal
Filament6.3V @ 0.3mA

Construction

Primary TypeTriode
EnvelopeMT-8 Metal Shell
Base MaterialSmall Wafer Octal 8-Pin
Sections2

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Plate Voltage250 V
H-C Voltage90 V

Audio Performance

Typical THD5%
Key Features
  • Special shielding arrangement to reduce hum
  • Well suited for low-level audio amplifier service

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier250V132553000702mA

Application Notes

The 6SC7 is a high-mu twin triode designed primarily for use as an AF voltage amplifier. Except for heater ratings, the 12SC7 is identical to the 6SC7.

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