UCL 11
0 Tubes in archive
BrandPHILIPS
ClassTRIODE-TETRODE
Construction
Primary TypeTriode-Tetrode
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 | 200V | 2100 | 30000 | 65 | 2mA |
| tetrode section | 200V | 9000 | 18000 | - | 45mA |
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