Tube-number record
20L1
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BrandEdiswan Mazda
ClassTelevision Twin Triode
BaseRimlock
Filament12.6 V @ 200 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated for series operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation3 W
H-C Voltage250 V
Audio Performance
Key Features
- Indirectly heated
- Series operation
- Replacement type
- Television twin triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 200 V | 2800 | 5714.29 | 16 | 10 mA |
Datasheets
Datasheet: 20L1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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