Tube-number record
UCL 11
0 archive entries
UCL 11 is a tube type in the TubeDatabase archive (class: TRIODE-TETRODE). Recorded specifications: brand PHILIPS, construction Tetrode, maximum plate voltage 250 V, and maximum plate dissipation 9 W. The archive does not yet hold a photographed example of this type.
BrandPHILIPS
ClassTRIODE-TETRODE
Construction
Primary TypeTetrode
Sections2
Filament / Heater
Heater Notesindirect by A.C. or D.C.; series supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current75 mA
H-C Voltage125 V
Audio Performance
Typical THD10%
Power Output4 W
Key Features
- L.F. amplifier
- Output valve
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| triode section | 200 V | 2100 | 30000 | 65 | 2 mA |
| tetrode section | 200 V | 9000 | 18000 | — | 45 mA |
Datasheets
Datasheet: UCL11.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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