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Old 16th February 2013, 03:52 AM   #1
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Smile Mounting woofers

Greetings,
I'm getting close to mounting two pair of 12" woofers, two per on a set of MDF baffles. They are being flush mounted with a rubber, cork type gasket. Any thoughts on how best to fasten them? Should I keep it simple and screw or through bolt them? Or...would it make more sense to come up with some type of rear magnet mounting system. They are an open baffle design so if a rear magnet approach is better it seems to make sense to keep the mass down.
Your thoughts?
Thank you
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Old 16th February 2013, 04:00 AM   #2
Enzo is offline Enzo  United States
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Wood screws can strip out and chip the wood. I'd much prefer machine screws and T-nuts.
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Old 18th February 2013, 11:48 PM   #3
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Thanks Enzo, like your suggestion. I was hoping to hear a little more about rear magnet mounting...guess not.
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Old 19th February 2013, 02:12 PM   #4
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Describe your idea of "rear magnet mount". Sounds different and intersting. E
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Old 19th February 2013, 07:28 PM   #5
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E,
I came across this in some threads a while back. Cant get at them right now but will do so and follow back up.
Until then...Kindest,
Marko
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Old 19th February 2013, 07:40 PM   #6
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by Enzo View Post
Wood screws can strip out and chip the wood. I'd much prefer machine screws and T-nuts.

T-nuts have been known to come loose, and it can be a monumental pain in the a$$ when they do. It happened to a buddy of mine about 10yrs ago with a pair of Cain & Cain Abbys, and when I was in the retail trade, on bottom of Linn Kabers for attaching of KuStone base plinths - almost a completely blind fitment.

I'd suggest (external) threaded inserts over any of the barbed / spiked knock-in T-Nuts.
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Old 19th February 2013, 07:55 PM   #7
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by mnsouthpaw View Post
Thanks Enzo, like your suggestion. I was hoping to hear a little more about rear magnet mounting...guess not.
Quote:
Originally Posted by mickeymoose View Post
Describe your idea of "rear magnet mount". Sounds different and intersting. E
Quote:
Originally Posted by mnsouthpaw View Post
E,
I came across this in some threads a while back. Cant get at them right now but will do so and follow back up.
Until then...Kindest,
Marko


yeah, that's definitely one of those "I remember seeing it somewhere on the internet, but damned if I can find it now"

basically the idea is to fabricate some sort of cradle / bracket to clamp around the magnet / motor assembly - generally the most massive part of the driver, to bear the weight and attach to enclosure, and lightly seal the frame to baffle with foam / cork etc.

I've more often seen this technique used in open baffle arrangements.
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Old 19th February 2013, 09:53 PM   #8
Enzo is offline Enzo  United States
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In the trade me stake the T-nuts into place with a small screw on the edge of the flange or large furniture staples.

There is no system that cannot fail.
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Old 19th February 2013, 10:05 PM   #9
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I have been using these for several years without any problem. Just make sure you drill the recommended hole size.

#8-32 Hurricane Nuts 50 Pcs. 081-1080
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Old 19th February 2013, 10:07 PM   #10
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Threaded brass insert made for wood with a dab of epoxy while installing work well. Only use the type with external threading and not the type that are hammered into a hole. I think you would have to destroy the wood to get them out. Look up threaded fasteners or go to perhaps McMaster Carr and you will find them. T-nuts have the greatest chance of falling out, they are only pressed into the wood slightly and have cause many of use much grief in locations where they either can't easily be replaced or fall into a cavity where you can't retrieve them. They can make an awful racket if that happens! Your application of an open back is not as critical as you will always have access to them, but still I wouldn't use them.
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