Sounds vaguely familiar . . . .TAD 1602 38-300 hz
JBL 2123 300-1600hz
TAD 2001 1600hz -->
20wx40hx15d ported cabinet, mid in sep enclosure, Martinelli horn sitting up top in all its glory.
I hemmed and hawed about dumping the mid driver, but didn't. Having played this system as a tw-way, ignoring the mid using an active xo, and as a 3-way using Wayne's 300/1600 xo, all I can say is KEEP the mid. The improvement in ease and clarity is huge.
For really odd views of the spkr, see below. Taken with pinhole camera using 4x5 Polaroid film back. Focal lengths of 25, 50 and 75 mm. (25 is freakin' WIDE on a 4x5 camera!)
Keep your ears and your mind open.