“Prima Luna HP”

Greetings, Has anyone had a problem with this Amp?

The 2nd rear left tube goes dead from time to time. Has anyone had the problem & what's the fix? Thanks

danmar12301-11-2023 11:08pm

danmar123 OP Details Discussions Posts This discussion Message User 450 posts 01-12-2023 at 12:46pm Copy Comment URL Report Comment Edit Delete Yes , I have backup. That spot on the amp took out 1 tube already & now it's starting a problem with the replacement after 7/8 months.
stereo5 Details Discussions Posts This discussion Message User 6,405 posts 01-13-2023 at 07:40pm Copy Comment URL Report Comment Edit Delete I’ll bet there is a resistor going bad. I would send it in for service. It’s an expensive amp.
ghdprentice Details Discussions Posts This discussion Message User 7,046 posts 01-14-2023 at 05:14pm Copy Comment URL Report Comment Edit Delete Yep, sounds like off to the repair shop.
mlsstl Details Discussions Posts This discussion Message User 1,438 posts 01-14-2023 at 08:21pm Copy Comment URL Report Comment Edit Delete Just out of curiousity, have you checked the bias settings?