Sophia ElectricPatented KT88-ST tubes, 2016 PFO Award Winner,Sophia Electric Patented KT88-ST tubes, 2016 PFO Award Winner, Best high frequency extension, best sound ever madeThis patented Sophia Electric new KT88-ST tube model has the best high frequency extension that most KT88 tubes are lacking. Yes, KT88 can have refined sound if you use this new KT88-ST tube. Thi...499.00

Sophia Electric Patented KT88-ST tubes, 2016 PFO Award Winner, Best high frequency extension, best sound ever made [Expired]


no longer for sale

This patented Sophia Electric new KT88-ST tube model has the best high frequency extension that most KT88 tubes are lacking. Yes, KT88 can have refined sound if you use this new KT88-ST tube. This is the best sounding KT88 tube to date and of projected long life span for quality. Note: The price is for ONE new matched quad (4 matched tubes) Sophia Electric Grade A KT88-ST tube with 30 days warranty. We are confident you will enjoy these tubes. Limited supply, act ASAP. We offer free domestic shipping if you purchase by November 30. User Feedback: Dear audiophile friends, Sophia Electric tubes are my best choice after comparing with all new product tubes on market today. Specially on KT88 tubes I bought, after 35 hours burning-in, they sound incredible. I also bought the 12ax7 (driver tube). They totally changed the sound of my system (new McIntosh 275 mark 6). I'm very happy with Sophia tubes. Richard, Colorado -------------------------------------------------------------------------------------------------------------- Hello Sue at Sophia Electric: Just want to thank you for super service seldom seen… Tubes in five days in my set playing and burning in, truly great. And the early sound is so delicate and detailed, full of air I hardly can believe it is the same set of McIntosh 75 monos I have. KT88s are definitely redefined by you. This all will be happily repeated in my review… Cheers Kai
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