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Old 04-20-2019, 09:40 AM
clpetersen clpetersen is offline
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Join Date: May 2012
Location: Boston
Posts: 1,069
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It looks like a three way crossover. There are a lot of people here who can help. My initial guess is that the top terminals are the inputs from the amplifier. A simple way would be run the the inputs from a simple signal generator and get the transfer function for each of the output pairs.

If no one has the direct information, I can give it a try. Non-destructive in any case.
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