If your tank isnt as loud as you think it should be, check the polarity of the speaker. I found one of mine to be wired out of phase. A quick batt pop test proved it:
The positve on the JST should be orientated on the left as seen here:
Testing before and after made a big difference....naturally.
The positve on the JST should be orientated on the left as seen here:
Testing before and after made a big difference....naturally.
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