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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
james633
1,047 posts
 

I had a similar issue with my E112s when the crossovers died. Then again when the volume pots died. Next time you hear it try turning the knobs and see what happens. 

missioncoonery
1,237 posts
 

You probably have one of the USA made jl audio products, lol.....I had way too many issues with the one I owned so I went back to Rel

mike_in_nc
1,161 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.

bwguy's avatar
bwguy OP
230 posts
 

I do have the V2.

mike_in_nc
1,161 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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