Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 2
Tube-number record
4654
10 archive entries
BrandPhilips
ClassOutput Pentode
BaseOctal
Filament6.3 V @ 1.35 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, parallel supply
Absolute Maximum Ratings
Plate Voltage600 V
Plate Dissipation18 W
Grid 2 Voltage425 V
Grid 1 Voltage-1.3 V
Cathode Current120 mA
H-C Voltage50 V
Audio Performance
Typical THD11.4%
Power Output9.2 W
Key Features
- Indirectly heated
- Power Pentode
- Triode connection possible
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250 V | 8500 | 22000 | 11 | 72 mA |
| Class B Push-Pull | 425 V | — | — | — | 40 mA |
| Class AB Triode Connected | 400 V | — | — | — | 100 mA |
Datasheets
Datasheet: 4654.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
