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

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Tube-number record

R 144

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BrandLa Radiotechnique
ClassPentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 300 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect heating

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation2.5 W
Grid 2 Voltage300 V
Cathode Current15 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Long life tube
  • Interchangeable with 6 AM 6

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Nominal Amplifier250 V76001000000—10 mA

Datasheets

Datasheet: R144.pdf

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

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