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Tube-number record
4654
10 archive entries
4654 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Philips, construction Pentode, socket Octal, maximum plate voltage 600 V, and maximum plate dissipation 18 W. The archive holds 10 photographed examples of this type.
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.
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4654-02, 4654
- Brand
- Valvo
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Showing 1–10 of 10 results