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Sundown Audio SA12 bottoming out
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<blockquote data-quote="shredder1" data-source="post: 8553792" data-attributes="member: 658920"><p>Mystery rattle, Cheap head and quality woofer... what a mess! since you've ruled out the box and feel that your HU is fine... its probably the woofer... my son's RE *** 10 did the exact same thing and I noticed a tinsel lead that was separated from the cone where it passes through... Very hard to spot visually... but once I started moving the cone manually to feel if there was coil rub I noticed that the factory glue was separated at the pass thru location on the cone... He's very hard on woofers as he loves to show his friends the excursion of these subs even though at those freqs they are out of the range for a couple of 10's (20-25 hz is what he tries to play) He played it so long like this that he loosened the tinsel and unraveled the coil shorting out my hand-me-down 500s Fosgate! Kids... live and learn... anyways be very careful when you inspect the sub as this rattle does sound like something similar... I bought a L7 10" rattling once and fixed it quick because the cone is a 2 piece assembly and the front had separated from the rear... A little glue and "Like magic" it was fixed... Could be an easy fix... could be a bear... Good luck</p></blockquote><p></p>
[QUOTE="shredder1, post: 8553792, member: 658920"] Mystery rattle, Cheap head and quality woofer... what a mess! since you've ruled out the box and feel that your HU is fine... its probably the woofer... my son's RE *** 10 did the exact same thing and I noticed a tinsel lead that was separated from the cone where it passes through... Very hard to spot visually... but once I started moving the cone manually to feel if there was coil rub I noticed that the factory glue was separated at the pass thru location on the cone... He's very hard on woofers as he loves to show his friends the excursion of these subs even though at those freqs they are out of the range for a couple of 10's (20-25 hz is what he tries to play) He played it so long like this that he loosened the tinsel and unraveled the coil shorting out my hand-me-down 500s Fosgate! Kids... live and learn... anyways be very careful when you inspect the sub as this rattle does sound like something similar... I bought a L7 10" rattling once and fixed it quick because the cone is a 2 piece assembly and the front had separated from the rear... A little glue and "Like magic" it was fixed... Could be an easy fix... could be a bear... Good luck [/QUOTE]
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