Thursday, June 1, 2023

JBL SB2 Subwofer Speaker Repair

 I recently repaired some JBL SB2 subwoofers.  They had been overpowered and there were boils in the voice coil form. I have never fixed a speaker with this problem before.  It was hard to get a file in there because of the magnetic field.  But once in place it turned it side to side to remove the bubbles.

Once the bubblew were cleaned up I glued the cover back on and tested the speaker and it worked!

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