Tube-number record
OUTPUT PENTODE
0 archive entries
OUTPUT PENTODE is a tube type in the TubeDatabase archive (class: Audio Power Tube). Recorded specifications: brand Philips, construction Pentode, base Side-contact, socket Side-contact (P-base), maximum plate voltage 425 V, and maximum plate dissipation 18 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassAudio Power Tube
BaseSide-contact (P-base)
Filament6.3 V @ 1 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialSide-contact
Sections1
Filament / Heater
Heater NotesIndirect heating by A.C.; parallel supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Pentode | 250 V | 14500 | 20000 | 20 | 72 mA |
| Class AB Pentode | 425 V | — | — | — | 46 mA |
| Class A Triode Connection | 375 V | — | — | — | 50 mA |
Application Notes
Output pentode for audio amplification in class A or class AB push-pull stages.
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