Revel Ultima Salon 2's vs B&W 802d's

The 802 impedance is all over the place and needs an amp that can handle the swings even though they are 90db efficient. Lots of speakers are like this though. Basically they need lots of current and with lots of current comes lots of power. It goes back to Ohm's Law (I=V/R) as the resistance drops the current goes up (voltage is constant in the home). Of course this is a very simple explanation and the capacitors in the crossovers will complicate things. There are lots of designers on audiogon that could explain it better... electrical was never my strong suit in school.

"I estimated the B&W 802D's voltage sensitivity as 89dB(B)/2.83V/m, within experimental error of the specified 90dB figure and usefully higher than the average of the more than 500 speakers I have measured in the past 16 years. The B&W's impedance plot (fig.1) reveals the speaker to be moderately difficult to drive, with a magnitude that drops to 3 ohms throughout the upper bass and an awkward combination of 4 ohms and –50° electrical phase angle at 60Hz. In addition, the very high peak between 2 and 3kHz, resulting from the tweeter/midrange crossover, will give a somewhat forward tonal balance with amplifiers having a significant source impedance; say, tube models."

look at the first graph.
http://www.stereophile.com/content/bw-802d-loudspeaker-measurements

Thanks for the feedback, but I still have a question(s) unanswered. I may have to start a new thread, perhaps in the amp section. The question is whether the CJ or Bryston is better with one or the other of the sets of speakers.
Related to that is whether I need to upgrade amps (without spending a minor fortune (Mark L. monoblock 53's).

I'm also trying to figure out how to match amps to speakers without having to listen to them all! You say amplification is crucial (I'd agree) and you say one needs an amp that can handle the swings in impedance, but you don't say how one determines whether an amp can handle it or whether the CJ 2500A or Bryston 4B SST2 are adquate (though I think they are). I'm also open to suggested readings guys.

PS Specs only tell so much.

Thanks again.

PS I would think the power is fine. Curious as to what other factors to consider

I own B&W N803s, and have lusted after the 802s in it's various incarnations for a long time. I have listened to MANY great speakers from 10k-27k over the past few years (Maggie 3.6 and 20.1, Sonus Faber Elipsa, Vienna Klimt Musik, Rockport Mira and Ankaa, Wilson Sophia 1/2, Genesis 5.3, Dynaudio, Coincident, Revel Salon2, etc etc etc), and I've come to the not atypical conclusion that no spkr is perfect and they all have a sound, they all emphasize/deemphasize various aspects of the frequency spectrum. I know thats a "DUH" statement, but it is what it is. Your ears will tell you what you like, but your heart will tell you which spkr moves you. Buy that one.

As for this comparison, I would actually hope that the Salon2 clearly beats the 802D as the cost difference is significant. I think you would have a tougher fight on your hands with the more evenly matched 800D. Having just listened to the Salon2 a week ago, I can tell you that from my experience, as much as I love the 802D, the Salon2 did a lot of things just a little better. Sounstage and imaging was superb, among the best I've heard. Palpability of performers and voice in front of me was also among best ever heard. Low end extension was excellent in both definition and force (felt it). However, it did miss a frequency or two, ie, one cut with a piano recessed and lower in volume than anytime I've heard it before, which struck me as really odd. I missed that piano's sound cuz I knew it should be there more prominantly. Also, it didn't quite sing with rock as some other fine spkrs have. So is it perfect, no. Would I buy compared to most everything else I've heard, possibly, maybe even probably, but I'd certainly find the 800D if I could to compare (as well as a few others I'd still like to hear like SoundLab and MBL). Could I buy the 802D and be happy for a long time, definitely. Not sure this helped, but if you have any questions, happy to respond. Good luck, its a fun problem to have, this decision.