Shuguang kt-88
I have tried regular and Cryo ed. For $180 for a quad Cryo ed are clearly more detailed and refined then thd standard tubes Which are very good these have 36 hours tested in the factory plus several hours after 48 hr Cryo treatment.
From a 5 man blind test after a 30 minute warm up treated and untreated
The Cryo ed tubes are clearly better,and on average last longer.
Great qc vs the Russian tubes since 1858 Shuguang has been making tubes.
Tubeman.com is very good and if close match they do quad or whatever .
I have tried regular and Cryo ed. For $180 for a quad Cryo ed are clearly more detailed and refined then thd standard tubes Which are very good these have 36 hours tested in the factory plus several hours after 48 hr Cryo treatment.
From a 5 man blind test after a 30 minute warm up treated and untreated
The Cryo ed tubes are clearly better,and on average last longer.
Great qc vs the Russian tubes since 1858 Shuguang has been making tubes.
Tubeman.com is very good and if close match they do quad or whatever .