Very interesting speaker, not sure thant nobody is interested, however the issue is that klipsch is way out of their element with these, fit, finish, etc.. This is new ground of price bracket and hi end status to crack in their case. A 15 k pair of speakers unfortunatley needs to come with more than just great specs and overall sound.. I can tell you these are probably pretty amazing up to about 10,000 class, but 15 is pushing it..
Now if they had way better finish on the cabinets, and a Far more realistic components used in the crossovers vs. the bennic OEM type pieces they seem to be using they would have something that would maybe make more of the big horn guys jump on them..
But in this price range you are talking competition from Avantgarde with mundorf crossovers, and several other nose bleed horns that are 99 to 110 db efficient. At 8,000 a pair I could see these being a real deal, but that would put them in direct price line competition with their former flagship for 50 years the K-Horns...
I will say I bet these models would fair much better for a larger variety of music tastes, and be far easier to get dialed in for most rooms over K-horns however due to the more conventional design, and bass output from these I am sure will walk all over anything klipsch has produced for the most part.
I would however if seriously considering these, minus the good design on the "boat shaped" low standing wave and resonance enclousure on these pretty much say I could take a pair of the RF 83's put some killer outboard crossovers and for about 2500 to 3000 street price have 95% of the performance of the palladiums. I am not sure how much of the performance accounted for of the palladium is in fact the cabinet however.
One thing I would be cautious about although they seem to claim 8 ohm nominal impedance on like every speaker they ever produced, these have 3 woofers which seems that would definately make this a little tougher load on some amps dipping pretty low, like 3 ohm or even 2 ohm at some frequencys, unless by some miracle they produced a 12 ohm or 16 ohm driver(very doubtful).