KR Audio KT88 (Each)

All KR Tubes are special order from the factory and take 10-20 days to arrive typically.  Please specify in order notes if you want the tubes matched as a pair or quad.

This is the KR Audio KT88.  Specify when ordering if you need matched pairs, quads, etc...   This is a replacement for any KT88 tube.  If you would like to upgrade your Opus 4 to KR KT88s, please contact us during the order process.  

KR Audio offers a six month warranty on all tubes from the date they arrive at wholesaler or the date they are installed in an OEM amplifier.