You either have a problem with the alarm tone generator (let's hear more about that thing and what it is)or there is a level mismatch. Kind of unusual to need to connect the alarm tone gen to a microphone input. A microphone input is a low level input whereas a tone generator should be able to provide a line level or greater. So I'm thinking that some hack connected to the mic input because that's all that there was. Does that DI box have a level control? Is it passive or active? Maybe its turned way down and the mic input up?

-Hal


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