School me on 6550's. NOS and current.

michael.e

Silver Supporting Member
Messages
20,528
I have a GT Soul-O 150. I found that I really like the sound and feel of these tubes for this particular amp. I am currently using some EH branded tubes. What else is out there?
 

amphog

Member
Messages
4,310
JJ has been recommended by a couple of techs, they are the most consistent right now. They will also hold up in SVT's.
 






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