The KT88 G.E.C. valve is a legendary high-power beam tetrode developed by the General Electric Company under its Marconi-Osram Valve (MOV) division. Introduced in the 1950s, the KT88 quickly became one of the most respected vacuum tubes for high-fidelity audio amplification and professional applications.

Overview

The KT88 is designed to deliver high output power, low distortion, and exceptional reliability, making it a top choice for premium hi-fi amplifiers and guitar amps. It is capable of handling higher plate voltages and dissipation than earlier designs like the KT66, resulting in greater headroom and dynamic performance.