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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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JBL Sub 125a
Hello everyone.
I am opening a JBL powered subwoofer model sub125a. The problem is that sound level was reduced to about half and I have no idea yet where to look. Any clue / idea / hint would be very much appreciated. Thank you very much. Bobby |
#2
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Does the speaker have dual voice coils? If so, one of them may be open... check
speaker connections; one pair of connections per winding on the back of the speaker. |
#3
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do ya have a DMM to check out the speaker
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