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Tablex 28th May 2020 04:03 PM

My preamp has stopped outputting audio. Please help!
Hey guys, i'm currently running an ART Pro-Channel II tube preamp and it has served me very well for a few years. Unfortunately today it randomly stopped outputting audio, however, its VU meter suggests that audio is still being sent into it. I've tested it with multiple interfaces, output leads and microhpones but nothing has helped.

I would be immensely grateful if anyone knew how to fix this.


Thomas W. Bethe 29th May 2020 01:15 PM

Have you checked the tubes? - they don't last forever. FWIW

msbettyhunt 29th May 2020 02:43 PM

The channel might be dead

ripple_fx1 29th May 2020 05:46 PM

Have you attempted to monitor the two output sections of the "loops" in order to locate where in the signal flow the fault might be? The first step would be to insert and remove a connector a number of times from all four of those loop ports in an effort to clean any oxide from their contacts and hopefully wake baby up without having to remove the cover.