Re: New DIY Mid High
Peter,
Nice work on your cabinet!
Although the 4594 is certainly a fine driver, it does not have much more (if any more) output in the 650 – 800 Hz range than a "normal" dome diaphragm compression driver, in fact, the "old reliable" EV DH1A has similar distortion at five watts in that region compared to a 4594 at only one watt.
For that reason, (and many others..) I decided to use offset horn loaded 10" drivers to cover around 80-800 Hz in my latest design, the SynTripP. Used neodymium drivers to keep weight under 34 pounds (15.5 kilos) for the 26.5" wide x 11.25" tall, 15" deep (67.3 x 6.075 x 38.1 centimeters) main cabinet which also incorporates a tilting stand mount adjustable over a 40 degree range. The secondary horn is 41" wide x 25.5" tall x 7.5" deep (104.1 x 64.8 x 19 centimeters), weighing about 5 pounds (2 kilos).
http://www.diyaudio.com/forums/multi-way/264485-syntripp-2-way-2-part-virtual-single-point-source-horn.html#post4114406
Next step is getting an FIR processor, from what you have written, a Lake may be the next "trip" I take.
Cheers,
Art