The Svetlana SV6550C is the closest to an NOS GE 6550A.
Review Snapshot®by PowerReviews
Reviewed by 1 customer
Displaying review 1
- Good Sounding Tubes
- Great For An Svt
- Plenty Of Clean Head Room
- None Yet
Comments about Svetlana 6550 Tube:
These tubes sound great. They dont sound as good as winged c's, but the price for these is unreal. I wonder how long they will last. I play bass about 6 nights a week, so I need some durable tubes, I hope these are up to the job.