Quote:
Originally Posted by oddeophile
RLF
Buy an Orange VT1000 tube tester. Very inexpensive and a snap to use. It’ll tell you if the 6550 is good, worn and needs replacement or bad and needs replacement. Super easy to use even for a dimwit like me. Tests a lot of parameters at once. I use mine all the time.
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Thanks oddeophile. I’ll definitely check out the Orange VT1000 tube tester.