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Re: Two PI: A Little Bright OR Light in the Bass? [message #80923 is a reply to message #76092]

Wed, 10 December 2014 11:34

themilford
Messages: 66
Registered: May 2009

Viscount

Thanks wayne.

would something like this be useful for calculating such a problem?

http://vikash.info/audio/standing_wave_calc/

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Re: Two PI: A Little Bright OR Light in the Bass? [message #80924 is a reply to message #76092]

Wed, 10 December 2014 11:51

themilford
Messages: 66
Registered: May 2009

Viscount

FWIW: my target size for a larger TwoPi is: 31" x 14" x 10.5"

Of course this can be shifted a little... but I haven't the first idea how to model anything. I'm a little mathematically disinclined.

I've played around with the link from above but I don't even know what I'm looking at or how it relates to what I might be building.

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Re: Two PI: A Little Bright OR Light in the Bass? [message #80925 is a reply to message #80924]

Wed, 10 December 2014 13:42

Wayne Parham
Messages: 18786
Registered: January 2001

Illuminati (33rd Degree)

That kind of tool is useful, but only marginally. It calculates the modes, but it doesn't model the cabinet and tell you the effect of sound source placement on response. This is what the Martin King spreadsheets do, and they're much more useful because of that.

Martin King's Quarter-Wave.com loudspeaker modeling spreadsheets

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