using mirrors

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2fast4u2

Member - Posts: 12

Joined: January 02, 2010

Location: Ontario, Canada

Posted: January 08, 2010 at 10:01 AM / IP Logged

How much force is needed to shatter a mirror inside of an enclosure???....i mean.....i am building 2 same size enclosures(15x15) then gonna have an closed chamber showin off subs in the middle of the two boxes....i wanna put a mirror at the back of the closed chamber...will the force of the subs shatter that mirror????or what do i have to do with the mirror to make it last??? any comments are welcome.....thanx

If it has tits or tires it will give ya problems.....

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2fast4u2

Member - Posts: 12

Joined: January 02, 2010

Location: Ontario, Canada

Posted: January 08, 2010 at 10:02 AM / IP Logged

sorry guys this is a 97 f150 extended cab full back seat taken out using FULL extended cab area

If it has tits or tires it will give ya problems.....

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oldspark

Gold - Posts: 4,913

Joined: November 03, 2008

Location: Australia

Posted: January 08, 2010 at 7:04 PM / IP Logged

I wouldn't go more than 30% higher than the mirror's rated shattering force - that's the usual design margin.

You could go higher depending on the mounting method and hence maximum "air pocket" dimensions behind the mirror.

Just check of the mirror is rated in RMS or peak etc.

You can then convert you max speaker SPL (and compensate for enclosure attenuation or concentration etc).

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squires500

Member - Posts: 47

Joined: June 21, 2008

Location: Australia

Posted: January 09, 2010 at 7:11 AM / IP Logged

just place a mdf board behind the mirror and it wont break, in essence the mirror is just glass, the alternatives if u cant place something behind it is to get a mirror made out of like 7mm glass which will be strong, or get a plexi glass mirror. id be amazed if you managed to shatter a mirror that was mounted properly. and not using something like a resonate frequency

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2fast4u2

Member - Posts: 12

Joined: January 02, 2010

Location: Ontario, Canada

Posted: January 09, 2010 at 9:43 PM / IP Logged

okk guys tryin it tommorrow...ill let u know .......i am just goin with the flow with this box design not alot of planning so hope it work ok...

If it has tits or tires it will give ya problems.....

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squires500

Member - Posts: 47

Joined: June 21, 2008

Location: Australia

Posted: January 10, 2010 at 3:57 AM / IP Logged

good luck, i suggest you plan twice and make one its easier to change a drawing then a box

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blackcivichatch

Copper - Posts: 229

Joined: January 27, 2009

Location: Missouri, United States

Posted: January 21, 2010 at 12:16 PM / IP Logged

At Auto stores they have a plastic mirror sheet...

May not be what you're looking for, but it wouldn't shatter...

UNLABELED Custom Car Club President

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using mirrors

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