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7G7/1232

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BrandTUNG-SOL
ClassSharp cut-off pentode voltage amplifier
BaseLock-in 8-pin
Filament6.3V @ 450mA

Construction

Primary TypePentode
EnvelopeT-9
Base MaterialLock-in
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation1.5 W
Grid 2 Voltage100 V
H-C Voltage90 V

Audio Performance

Key Features
  • Sharp cut-off
  • Lock-in construction
  • High transconductance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier250V4500800000-6mA

Application Notes

Designed for use in television or other high-frequency amplifiers where low gain may be compensated for by high transconductance.

Filters

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