Shuguang Natural Sound KT88-T Vacuum Tube NEW

Shuguang Nuaural Sound KT88-T improved design on the bases of GEKT88 and gold lion KT88. Ultra-high vacuum, clean manufacturing environment, can withstand voltages up to 800V, greatly improves the tubes life and stability. All parts are selected to the highest grade material plus highly experienced workers to assemble, suggested burn-in time is 75-150 hours.
4pcs Premium Grade Shuguang Natural Sound KT88-T Matched Quad.
If A 1.6±0.1 6.3 
Ihk μA ≤20 6.3 Uhk=±200V
Ia mA 45±10 6.3 510 510 -63
Ig2 mA ≤4 6.3 510 510 -63
Ig1 μA ≤1.5 6.3 510 510 -63