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

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Tube-number record

PT2

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BrandMarconi
ClassPentode

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage150 V
Grid 2 Voltage150 V

Audio Performance

Key Features
  • New pentode output valve
  • Designed for economy in current consumption
  • High amplification factor

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical150 V165055000906.5 mA
Typical125 V———5.8 mA
Typical100 V———3 mA

Application Notes

Ideal for many portable and other battery operated receivers; adequate for operation of moving iron speakers.

Datasheets

Datasheet: PT2.pdf

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

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