In Reply to: Help with MG-IIIa ext crossover posted by joepark@gmail.com on December 2, 2022 at 16:39:21:
There should only be one set (+ and -) of inputs and two sets of outputs (bass and mid/twt). Look at the schematic on the top of the box. If you have two inputs, the XO has been modified. I suspect if you look carefully you will be able to figure out which input is original and which is modified. I would disconnect the added input. Also take care to observe polarity of the connections from the box to the speakers.
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Follow Ups
- RE: Help with MG-IIIa ext crossover - neolith 09:23:49 12/03/22 (0)