2piece KT88T Vacuum Tubes for HiFi Audio and Tube Amplifiers quality matched KT88T vacuum tubes designed for audio use and electronic voltage regulation. Built with durable materials and a distinctive appearance, these tubes offer reliable power handling and are supplied matched for consistent performance. Key benefits Matched pairing for balanced performance and minimal channel mismatch in stereo amplifiers Robust power handling: 42 watt anode dissipation per tube for stable operation under load Versatile application: suitable for Class AB1 pushpull output to achieve about 100 watts using two tubes, and can be used as an electronic voltage regulator Enhanced thermal management: large glass bulb and polymer spraying improve heat dissipation and extend service life construction: ceramic base, goldplated metal cover, and goldplated pins for reliable connections and longterm durability Visual appeal: black and gold finish for an eyecatching appearance in exposedtube designs Key specifications and features Model: KT88T Tube type: Beam tetrode Anode limit power dissipation: 42 W per tube Typical output: Approximate 100 W in Class AB1 pushpull when using two tubes Compatibility: Functionally similar to CV5220 and 6550, can be used interchangeably in compatible circuits Construction: Polymersprayed glass bulb, ceramic base, goldplated metal cover, goldplated pins Matched pairing: Tubes are supplied factory matched; additional pairing on request How this product solves common problems Reduces channel imbalance by supplying matched tubes that minimize gain and tonal differences between channels Improves thermal stability and component longevity through a larger envelope and improved heat conduction Provides straightforward replacement and upgrade options for amplifiers that use KT88, CV5220, or 6550 tube types Practical use scenarios Stereo tube amplifier upgrade: worn output tubes with KT88T pairs to restore power and improve channel balance DIY amplifier builds: Use the KT88T as the power output stage in a Class AB1 pushpull design for clean, powerful output Voltage regulation applications: Employ the KT88T as an electronic voltage regulator in suitable circuits requiring its electrical characteristics What is included Two KT88T vacuum tubes, factory matched; additional pairing service available on request Compatibility note KT88T is similar to CV5220 and 6550 and can be used interchangeably where socket and circuit specifications match. Always verify pinout and circuit requirements before installation.