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Sound coming from JL Audio F 113

I have had a weird noise coming from my JL Audio sub a few days ago that sounded  almost like white noise, or maybe a wind tunnel.  It continued when I turned the sub off, not stopping until I unplugged the unit.  I plugged it back in and   It has worked fine.   I heard the sound again for a few seconds when I turned it on today.  Anyone have any idea what would cause this.  Could it be a capacitor issue?  I hate the thought of sending it in for repair.

128x128bwguy

Showing 2 responses by mike_in_nc

mike_in_nc
1,124 posts
 

If you have an original F113 (ie not v2), and it's never been re-capped, it's probably due. The original boards had capacitors that were marginal for the conditions. The factory replaces them with higher-temperature caps that are expected to last longer.

mike_in_nc
1,124 posts
 

If it's under warranty, I certainly would send it back to JL for repair.

JL makes great subs, but if my experience is typical, not enough work is put into durability engineering in the design. My two F112s have been back to JL a total of four times (twice each). To JL's credit, they comped the last repair, even though the sub was about 12 yrs old.

Stuff fails. But when its a 100-lb subwoofer, the failure is really painful.

 

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