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Thread: Altec A7 VOTT speakers - source for cabinet wood?

  1. #21
    Senior Hostboard Member GM's Avatar
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    Re: Altec A7 VOTT speakers - source for cabinet wood?

    ......and 13 ply at that.

    GM
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    Junior Hostboard Member spiros54's Avatar
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    Re: Altec A7 VOTT speakers - source for cabinet wood?

    What I try to focus here is the effect of the vibration and not the kind of coloration av the tree sort. For me it is very important to avoid the coloration's(vibrations). Is it any computer analyze in the behavior of the VOTT?

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    Senior Hostboard Member mah's Avatar
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    Re: Altec A7 VOTT speakers - source for cabinet wood?

    Sand-filled, double-skin, panels may be worth investigation.
    Opinion is only as valid as its verifiable supporting evidence.

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    Re: Altec A7 VOTT speakers - source for cabinet wood?

    Quote Originally Posted by spiros54 View Post
    What I try to focus here is the effect of the vibration and not the kind of coloration av the tree sort. For me it is very important to avoid the coloration's(vibrations). Is it any computer analyze in the behavior of the VOTT?
    Not aware of any computer analysis, but once the cab's Fs is pushed either below or above its intended pass-band enough, there's nothing to excite it, ergo is acoustically 'dead' WRT any vibrations except from driver movement and an 825/828 will be plenty heavy enough with braced 19 mm/13 ply BB plywood to be acoustically inert and 'ring' well above 500 Hz. If you prefer to push its Fs below ~25 Hz, then mass load it with enough sand filled cavities or better yet, construct them in place out of Portland cement and/or marble, slate or similar massive construction.

    GM
    Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

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