TS112A no line volume, is it input module?

Hi, I have a TS112A that was my floor monitor for many gigs several years ago. Recently I tried hooking it up to a Behringer X1222 mixer using a mic but noticed the volume line in on the 112 did not respond until it passed into the mic segment. Lots of hum. I know the main out on the mixer is supposed to be line level. Mic direct into the 112 seems to work fine with adequate power. My question: Is this a symptom of a faulty input module on the 112? Reason I ask is the input modules are still available from Full Compass and I have the experience to change out the board, if that will solve the problem. A question remains with the mixer but it’s relatively new. I don’t have any equipment to A/B right now.
Thanks Bill
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  • Hi Ray,

    Thanks for posting.

    If the speaker isn't responding until reaching mic level, then yes, this sounds like a potential hardware fault.

    Warranty and non-warranty claims are not handled here on the forum, but I can point you in the right direction! Here are a couple of options that you could choose from:

    • Submit a Warranty or Service inquiry with our Technical Support team by logging onto the Alto Pro Audio Support Page. Select Warranty or Service Inquiry from the drop down menu.

    or

    • For quicker support, call your nearest Support Office or International Distributor.

    Make sure to reference or link this thread to help out the support team.

    I hope this helps! Let me know if you have any additional questions.
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