NOS tubes 舊庒新胆 本店常備大量舊庒新胆供各位朋友選購,請点擊相應型號: We have a lot of NOS from countries all over the world. Please click and go to specific models. KT88/6550 power tube EL34/6CA7power tube 6L6/EL37 power tube 211/845 power tube