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

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PL 175A vacuum tube outline illustration

Tube-number record

PL 175A

0 archive entries

PL 175A is a tube type in the TubeDatabase archive (class: Beam Pentode). Recorded specifications: brand Penta Laboratories, construction Beam tetrode / beam power, socket 5-pin, maximum plate voltage 4000 V, and maximum plate dissipation 400 W. The archive does not yet hold a photographed example of this type.

BrandPenta Laboratories
ClassBeam Pentode
Base5-pin

Construction

Primary TypeBeam tetrode / beam power
EnvelopeGlass

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage4000 V
Plate Dissipation400 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C RF Power Amplifier3000 V———350 mA

Datasheets

Datasheet: PL175A.pdf

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

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Brands

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    Grid 2 Voltage1000 V
    Grid 1 Voltage-500 V

    Audio Performance

    Key Features
    • High-power beam pentode
    • For industry and communications