SED KT88 - High Performance Audio Power Tube

The SED KT88 is a glass envelope beam power tetrode and is manufactured at the SED Spb factory in St PEtersburg, Russia. It is intended for audio frequency amplification and close manufacturing specification tolerances and improved processing ensure reliability and superior sonic performance. The SED KT88 has been designed to be a direct replacement for any KT88, KT90, KT99 and 6550.


Outline Drawing


Typical Operation Class, A (single tube)

Typical Performance Curves