KT120  vacuum tube made by  Tung-Sol  –  tetrode
KT120  vacuum tube made by  Tung-Sol – The most powerful from the all 6550/KT88/KT90 family. Characterized by very unique and super powerful  sound. Wonderful midrange combined with precise bass extension.
Tube socket octal.

KT120 is not 1:1 substitute of KT88 tube.

When ordering a pair or it`s multiples, the tubes are matched free of charge in configurations: pair, quad, sextet or octet.