Tube-number record

EL3N

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BrandPhilips

ClassOutput Pentode

BaseSide-contact (P-base)

Filament6.3 V @ 940 mA

Construction

Primary TypePentode

EnvelopeGlass

SectionsSingle

Heater NotesIndirect; parallel supply

Plate Voltage250 V

Plate Dissipation9 W

Grid 2 Voltage275 V

Grid 1 Voltage-1.3 V

Cathode Current55 mA

H-C Voltage100 V

Typical THD10%

Power Output4.5 W

Key Features

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Class A	250 V	9000	50000	—	36 mA
Class AB Push-Pull	250 V	—	10000	—	24 mA

The tube should only be used with automatic or semi-automatic bias.

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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