skywave-rider
Slumming in Akihabara
Hahahahah!
Or the closer the spacing, the wider the angle between nulls. (Given the same x-over frq.)
So, what did u come up with?
Or the closer the spacing, the wider the angle between nulls. (Given the same x-over frq.)
So, what did u come up with?
*sigh*
I was afraid there would be math.
I'll attempt to sum up Wayne with the fewest inaccuracies possible:
HF motor behind LF motor = pattern tilted 'upward'
driver centers farther apart = lower crossover F to achieve flat response forward.
Corrolary: higher crossover freq = closer driver spacing to keep nulls out of forward pattern.
Looking at the example given, and assuming that jackgiff's EWG crossover* meets the criteria of the example, overlapping the EWG rim over the rim of a LA woofer results in an 8" c-to-c distance and about a 50 degree arc between nulls.
* assuming the 1K2 LP and 3K HP = approx 2K1 crossover point