Tube-number record
R 120
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BrandLa Radiotechnique
ClassPower Triode
BaseOctal
Filament6.3 V @ 1.45 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation15 W
Cathode Current90 mA
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output3.5 W
Key Features
- Indirect heating
- Power amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Class A | 250 V | 6400 | 840 | 5.4 | 60 mA |
| Symmetric Class A | 250 V | — | — | — | 120 mA |
Datasheets
Datasheet: R120.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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