sub knocks sometimes
#1
sub knocks sometimes
so guys, there was a sub. it plays. it played for the longest time no problem. but yesterday it played for like 10 seconds no problem then slowly the sound started to change and created a knocking noise sometimes, as if it were bottoming out or something. the box hasn't changed, power hasn't changed (from what I know). it repeats that process, especially on notes under sayyyy 47 hz. is that normal or is something broken? I guess something broke but I can't figure out whats wrong with it. help?
#4
the grounds should be fine but I'll check those again. the impedance should have changed unless a coil is gone, but then it shouldn't play right? oh, Waynold, send me the contact info for that supra guy when you get a chance, might have a new spl car up and running
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dawg
Car Alarm and Mobile Security
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02-23-2009 08:11 PM