GU74B, Power Tetrode ( 4CX800 )

SKU: GU-74B
Availability: In Stock
220 Eur
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  • Overview

Tube, GU74B, Equivalent to 4CX800A, Ceramic, Power Tetrodes,

800 Watts Max Plate Dissipation

 

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Tube GU74B / 4CX800A Ceramic Power Tetrodes are high-performance ceramic / metal tetrodes with a plate dissipation rating of 800 watts. The performance characteristics of the 4CX800A allow its use as a high gain grid-driven RF amplifier or as used in grounded grid service.

These tubes are direct replacements for use in some of the best-built RF power amplifiers, including Alpha 99, 91B, 8100; ACOM 1000, 1006, 1010, and 2000A. These tubes may also be used to make great homebrew amplifiers.

With 1,200 watts input when used as linear power amplifier, the 4CX800A will conservatively produce 750 watts PEP SSB, and 750 watts Key-Down CW. When used in a modern amplifier with auto-tuning and vacuum tube protection circuits, they may produce much more power and exhibit very long life.

 

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