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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | 200 V | 8500 | 43000 | 365 | 35 mA |
Application Notes
A n'utiliser qu'en polarisation automatique ou semi-automatique.
Datasheets
Datasheet: R123.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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