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

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Tube-number record

R123

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BrandLa Radiotechnique
ClassPower Pentode
Filament18 V @ 400 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect heating

Absolute Maximum Ratings

Plate Voltage225 V
Plate Dissipation8 W
Grid 2 Voltage225 V
Cathode Current45 mA
H-C Voltage50 V

Audio Performance

Typical THD6%
Power Output2 W
Key Features
  • Long life
  • Indirectly heated cathode
  • Automatic or semi-automatic bias only

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Nominal200 V85004300036535 mA

Application Notes

A n'utiliser qu'en polarisation automatique ou semi-automatique.

Datasheets

Datasheet: R123.pdf

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

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