The KT88 is an octal beam tetrode built for high-power push-pull output stages, the same family of tube behind classic high-headroom hi-fi integrated amps.
Tube type: Beam power tetrode
Base: Octal 8-pin
Heater: 6.3V AC, 1.6A
Typical use: Output stage in high-power hi-fi amplifiers and high-headroom bass amps
Sold as a single tube, matched pair, or matched quad for multi-tube output stages.
