Worth a try. The sound was different than the GL's. My two cents is to stick with the GL's. When I did the KT88 shootout, I felt the GL's were best of the new tubes. In fact, the large tube amp manufacturer close to me is now using the GL's.
If you want to experiment Steve, definitely do your home work. The reliability of some of the Chinese and Russian tubes isn't great - except for the GL's.
The market is desperate for a great KT88 again from someone like Emission Labs, KR Audio, Takasuki or even Elrog.
