Tube-number record
UCL83
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BrandMullard
ClassTriode-Pentode
BaseNoval (B9A)
Filament38 V @ 100 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsTriode, Pentode
Filament / Heater
Heater NotesSuitable for series operation a.c. or d.c.
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation5.4 W
Grid 2 Voltage250 V
Cathode Current45 mA
H-C Voltage250 V
Audio Performance
Typical THD10%
Power Output2.2 W
Key Features
- Separate cathodes
- 100mA heater
- Combined triode and output pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section Class A | 170 V | 5500 | 53000 | 10 | 30 mA |
| Triode Section | 170 V | 2100 | 40000 | 82 | 1.6 mA |
| Triode Section | 200 V | 2500 | 34000 | 85 | 2.4 mA |
Application Notes
Intended for use in audio frequency applications.
Datasheets
Datasheet: UCL83.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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