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EL509S

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JJ Electronic, EL509S

The JJ Electronic EL509S is a high-power beam tetrode vacuum tube, designed for use in audio amplifiers and other high-voltage applications. It is a modern production tube that offers a robust construction and reliable performance.

Type: Beam Tetrode
Heater Voltage (Uf): 6.3 V
Heater Current (If): 2.5 A
Maximum Plate Voltage (Ua): 800 V
Maximum Plate Dissipation (Pa): 42 W
Transconductance (S): 11 mA/V
Base: Octal (8-pin)

The EL509S is suitable for:

Audio Amplifiers: Particularly in high-fidelity and guitar amplifiers, where a powerful output stage is desired.
Industrial Equipment: Such as RF transmitters and modulators.

Considerations

Biasing: Proper biasing is crucial to ensure optimal performance and longevity.
Socket Compatibility: Ensure that the amplifier's socket and circuit are compatible with the EL509S's electrical characteristics.

JJ Valves

EL509S

JJ Electronic, EL509S