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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

PL 504

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BrandCIFTE
ClassPower Pentode
Filament27 V @ 300 mA

Construction

Primary TypePentode

Filament / Heater

Heater NotesSeries supply

Absolute Maximum Ratings

Audio Performance

Key Features
  • Indirectly heated cathode
  • Series filament supply
  • Line sweep amplifier (Amplificateur de balayage lignes)

Application Notes

For all other characteristics, consult the documentation for the EL 504 tube.

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