6550 Output Tubes Warmer Sound 12 months Later
I retubed my ARC Classic 120s in June 2018. I have noticed over the past few months that the bass seems to have increased. I listen to my system a lot....some days it is on 12+ hours straight. I don't keep up with hours, but would suspect I'm around 2000 hours based on a crude estimation.
I've been wondering what the signs of failure would be and haven't ever heard anything faulty. I have heard of tubes warming up over time but never expected this to continue for a year up to the 1500-2000 hour mark.
These are my first tube amps and my first new set of tubes. I guess I am just surprised and excited and love them even more now.
My post is to see how other's experiences have been and also to compare these Svetlana 6550 to the Tung-Sol reissues for the warming period. I am thinking to try them next, but that may be a few years since these are just getting settled in.