Originally Posted By: Ken.C
Best guess is that the input jack is screwed up. Sadly, I don't have an XLR connection to test with. Should have bought the higher end Onk, eh? wink


Ken, i think it is unlikely that the RCA connection would randomly fail. You could always pull the amp out of the cabinet, and inspect the solder joints associated with the connector. It is possible that the connector failed but i think it is unlikely.