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Cabinet Resonances
Cabinet Resonances
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Old 9th April 2010, 07:34 AM   #11
gazzagazza is offline gazzagazza  New Zealand
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Great, a reference. Could you please give more info?? Thanks.

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Research that Toole shows in his recent book, show that low Q resonances are more audiable than high Q ones.
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Old 9th April 2010, 07:58 AM   #12
planet10 is online now planet10  Canada
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Great, a reference. Could you please give more info?? Thanks.
Amazon.com: Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms (9780240520094): Floyd Toole: Books

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Old 9th April 2010, 08:51 AM   #13
gazzagazza is offline gazzagazza  New Zealand
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Thanks, looks like a book to buy.

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Old 9th April 2010, 09:26 AM   #14
gazzagazza is offline gazzagazza  New Zealand
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Thanks for clarifying. I'm not meaning to offend, but your replies seem to be a little terse.

Are you able to share any of the results for the Pensil series enclosures? I'm sure I'm not the only one who would find the data informative.



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I thot it was pretty clear. Yes we test for resonances.

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Old 9th April 2010, 09:33 AM   #15
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We've not built a set of Pensils.

The format of the current data is not very sharable, You'll have to come by. You bring the Ozzie beer.

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Old 9th April 2010, 10:42 PM   #16
gazzagazza is offline gazzagazza  New Zealand
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Now if you were just down the road I'd definitely take you up on that. In fact I have an Ozzie beer in the fridge, but NZ beer is infinitely better!

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We've not built a set of Pensils.

The format of the current data is not very sharable, You'll have to come by. You bring the Ozzie beer.

dave
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Old 9th April 2010, 10:49 PM   #17
gazzagazza is offline gazzagazza  New Zealand
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Looks like google miht have something to offer on the acoustic properties of wood.

Google search on wood and resonance
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Old 9th April 2010, 11:10 PM   #18
Scottmoose is offline Scottmoose  United Kingdom
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I'll stick to my Hobgoblin...

There is plenty of data you can search on acoustical properties of different woods; there's no lack of it. Being a natural & variable product however, you can only really take it as very general indications.
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Old 9th April 2010, 11:37 PM   #19
gazzagazza is offline gazzagazza  New Zealand
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And some hard data from Wilson Audio...

Spectrum Analysis of various materials
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Old 10th April 2010, 09:47 AM   #20
gazzagazza is offline gazzagazza  New Zealand
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I'm trying to expand my knowledge here, and its directly related to a build of cabinets you designed for the Alpair 7. So far I've only got reluctant interaction from you guys. I was about to add this link to the discussion as it adds the sort of data I'm interested in...

Lowering Mechanical Noise Floor in Speakers Pt 2 — Reviews and News from Audioholics

Do you guys really have no spectrum data like this?

By all means spin this off into a separate thread, but I hope it might develop and add understanding that will enable the maximum to be extracted from Mark's Alpair drivers, and the cabinets designed for us to use with them.

Last edited by planet10; 13th April 2010 at 04:31 AM. Reason: remove stuff made extraneous by split
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