Toz

My experience is that when first coming over to Klipsch Heritage from the "normal hifi world" any of the Cornwall variants will be your best bet. I have found the Cornwall to be an excellent gateway. The other heritage speakers, some people find to be so different from what they're used to and consequently don't always hear what makes them special. My Klipsch journey started with Chorus II, then Forte's, then Klipschorns, Heresy's and Cornwalls. I sold off everything except the corner horns and Cornwalls. Your going to need a good source and amp, more so than with your direct radiators.

I never met a Cornwall I didn't like.

The model 19 is the only speaker I've heard that made me think it could be compared to my Klipschorns.

It's my understanding that what will cause the magnets to lose gauss is a sharp impact such as would happen if dropped or smacked. I've also read that the natural decay is insignificantly small. I have plenty of old alnico that still performs as I would expect it to. Just be careful not to knock the old drivers around. If they've lived in their original cabinets, and output sound, they are probably fine.

It looks beautiful!

I have Klipschorns with AK-2 crossovers. I've had them for nearly thirty years. I use all kinds of amps to drive them and they always sound good. Many here will tell you to upgrade to AK-3 crossover. I did that with factory parts over twenty years ago. I have gone back to AK-2 because it is my preference. The only real difference is the AK-2 has a slightly lower mid horn level, -2db relative to that of the AK-3.

What you propose is simply bridging each D75 to mono for increased power and headroom. There is no mystery or trouble. It's a good idea to eliminate the chance of clipping for your outdoor gig.

I've got the early correct PS1, and for the $25 it cost me used, it does sound less clinical than most CD players I've used.

For anyone not familiar with the ACA mini, I can vouch for it's sound quality. I just finished one and am using it with a passive pre and it has plenty of power to drive my AK-2 Klipschorns. And it has a sweet sound from top to bottom with lots of dimension.

Cornwall's of any vintage do most things right. They have a very balanced sound that appeals to a wider audience. In other words I think they are less polarizing than some of the other heritage speakers.

It would boil down to whether the ribbon would have a high enough efficiency to play as loud as the rest of the speaker. That's doubtful.

I bet they would be fun. There was definitely some Altec inspiration in the design.

I think what you have there is fantastic! Nice work on the risers too. Those are all great components, I wouldn't consider changing them at all. The lack of bass output could come down to damping. That driver looks to have pretty good mechanical damping, it's how things were in the era of amps with low damping factor. You could try to lower the damping, which will give a fuller bass note. Either a different amp, a tube amp, or insertion of a small resistance in series with the speaker wires can accomplish this. Modern speakers with very compliant suspensions need a high damping factor or they sound round and boomy. It's not hard to experiment and see if this is the case.

Make sure the throat of the metal horn is free of casting irregularities such as mismatches or lumpy restrictions. Mine were pretty bad and required a little handwork to smooth out the transition between driver and horn. Also, new gaskets wouldn't hurt. And tighten horn to baffle interface evenly and snuggly. If you have K55m drivers, you probably don't, reglue the back cap, they can buzz after years in service.

JBL SM50's with S4 load for the classic JBL horn studio sound, pre L100. Bozak B302a in large Eakin & Associates solid oak enclosures. These are very different than my beloved Klipsch and JBL and really serve well for background music, they have very natural timbre.