Pass labs poweramps

Anyone experience little popping sounds after powering down their pass lab amps? I assume these sounds are the circuits shutting down.

givin2u01-27-2018 7:41am

rocray Details Discussions Posts This discussion Message User 1,448 posts 06-10-2018 at 12:43am Copy Comment URL Report Comment Edit Delete I've had an F5 for about a year. I've never heard any noise when my amp is warming up,or cooling down. Maybe I should get my hearing checked. :-)
johnto Details Discussions Posts This discussion Message User 1,023 posts 08-13-2018 at 04:12pm Copy Comment URL Report Comment Edit Delete Same here with my 250.8 clinking sound about 20 minutes after being turned on. Haven't really stuck around after shut down to see if the same happens on cool down.
jafant Details Discussions Posts This discussion Message User 19,601 posts 08-13-2018 at 09:50pm Copy Comment URL Report Comment Edit Delete Thank You guys for sharing your customer service experiences.It is imperative to post both positive / negative stories when dealing with these companies. Happy Listening!
johnto Details Discussions Posts This discussion Message User 1,023 posts 08-28-2018 at 02:38pm Copy Comment URL Report Comment Edit Delete I called Pass and it is very normal its the heat sinks expanding no worries, enjoy the music.