norty303 said:Oh and as a complete aside, do you use a normal mic when time aligning your rig Steve or a proper condenser measuring mic?
:ph34r: is he speaking russian? :ph34r:norty303 said:I was working on information supplied by Rog Mogale from Speakerplans where he stated that a reflex ported box could suffer up to 10ms delay due to the ports, even when positionally aligned. Working on the basis that generally the more ports the greater the group delay inherent in the design i thought 12 would be good to start.
It'll be a pair of passively x-overed mid-tops (1" CD and 15" neo driver, already sorted phase correction in box) which i'm looking to x-over @ 100hz then a 2x18 Beyma 6th order sub from 100 down to natural cutoff (around 45hz i believe)