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Old 4th December 2009   #16
Jeffrey Hedback
Gear addict
 
Join Date: Aug 2009
Location: Indpls, IN
Posts: 346

Quote:
Though as you told me the other day Wes, the 3/4 wavelength null can be a killer too!
right! Absolute killer for clients (referring to 75% back), the second order axial mode. In the 20' length example: 56Hz null or essentially the low A on bass guitar. Case again for proper bass tapping.

Back to original post: monitor placement in your size room has to be a compromise between how you excite modes (38% back, 60 degree triangulation) and imaging. Like Frank mentioned, closer than 4' and you're not going to get stereo field. You may get best results by breaking convention. Beyond proper room treatments, the accuracy of your monitoring system is ultimately going to be greatly influenced by speakers themselves: are they ported? What is the off-axis response? Edge diffraction...etc
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