I would retube the unit. Try thetubestore.com fast friendly quick service large selection lots of tube info. I am also new to tubes and use cj equipment. I have had a couple of defective tubes; one burned out and the other was very noisey. So when to replacement was easy. I do not know anything about Jolida equipment you may want to write or call them. If they are anything like cj they will be more than happy to answer your questions.
Please help a new tube user!
I'm anticipating my new used Jolida 502b integrated amp in the next couple days. The seller didn't know how old the tubes on it were (3rd party seller) so should I just assume they're old and buy a new set? Also, what tools besides a voltmeter should I have for my tube equipment. Thanks! D
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