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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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32L7GT vacuum tube outline illustration

Tube-number record

32L7GT

0 archive entries

32L7GT is a tube type in the TubeDatabase archive (class: Rectifier - Beam Power Amplifier). Recorded specifications: brand Arcturus, construction Rectifier, socket Octal, and maximum plate voltage 125 V. The archive does not yet hold a photographed example of this type.

BrandArcturus
ClassRectifier - Beam Power Amplifier
BaseOctal
Filament32.5 V @ 300 mA

Construction

Primary TypeRectifier
Rectifier TypeHigh-Vacuum Half-Wave
EnvelopeGT
Sections2

Filament / Heater

Absolute Maximum Ratings

Plate Voltage125 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Beam Power Amplifier Section (Condition 1)90 V6000150009038 mA
Beam Power Amplifier Section (Condition 2)90 V4800170008127 mA

Application Notes

Type 32L7GT has been designed primarily for use in small AC-DC receivers wherein very limited space is available. It may be used in conventional half-wave high-vacuum rectifier and beam power amplifier circuits. The grid circuit resistance should not exceed 0.5 megohm.

Datasheets

Datasheet: 32L7GT.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Cathode Current60 mA

    Audio Performance

    Typical THD9%
    Power Output1 W
    Key Features
    • Midget construction
    • Dual section (Rectifier and Power Amplifier)