JBL 2435's on top

http://www.audioheritage.org/images/misc/2000-tour/northridge/nterior04.JPG)

PH Audio 316 horns; 1-1/2 inch throat "baby cheeks"

http://www.speakercity.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=SC&Product_Code=PH-316&Category_Code=PA-H).

XO is with a Sabine Navigator 3600; amps are Crown K1's.

My intent was to build a "permanent" version with a new pair of 2226's I also bought before the storm. I promised myself that there'd be no more speaker building until I get the house completely squared-away.

He kind of got to me so I bought the Navigator (http://www.sabine.com/) to replace the Rane MX23 crossover and MQ302 equalizer. The Navigator is a "loudspeaker management system" - crossovers, equalizers, compressors, limiters, gain matching, feedback killers, etc... in one box. You program it with a laptop over RS232. Very nice software, too. I posted something about it here: http://audioroundtable.com/DigitalAudio/messages/323.html

I first bought a Peavey box but it didn't come with half the stuff it promised, so I dumped it and went with the Navigator; very happy with it too.

Actually, with regard to active XO I haven't used a passive XO in years.

http://www.audioroundtable.com/Speaker/messages/167.html

The open-baffle thing really had me - I sold all my Altec stuff except the 18" woofers to finance further experiments. Not too much of a sacrifice - Tom Brennan was right; a case of romanticizing the old.

But in the end the OB approach suffers from one fatal flaw that I couldn't live with - real bass impact. So now I've done a 180 and I'm back to horn-over-reflex 2-ways.

In essence it's the original "single-driver" design with sub.

The problem, of course, is how to afford a compression driver (not to mention the horn) that'll go that low. The obvious solution is Wayne's (or for that matter many people's) approach of going with a conventional dynamic driver in some approximation of a conical horn. But it just doesn't appeal to me - probably because I barely have a grip on even a semblance of sanity.