Good morning! So I've come to the conclusion that my Yamaha AX-596, while a great amp, isn't going to be enough on its own to handle my Revel F30's. (For the TLDR, skip the next 3 paragraphs, I won't be offended) :D\n\nThis is my first foray into "inefficient" audiophile speakers (87dB),whereas everything else I've owned has rated in the low to upper-90's. Make no mistake, they are fantastic speakers and absolutely take my breath away every time I listen. But on those occasions when I want to go balls to the walls, the Yamaha gives up all it has before I reach that place I am aiming for.\n\nFor reference, some of the speakers I've had in the past were JBL CF-150's, Infinity SM-155's, and Klipsch KLF-10's. Yeah I know, I know... but while none of those were in the same league as the F30's sound-wise, they could get ludicrously loud when the urge struck me. Right now, I can tell the Yamaha is at its limits and straining, and the speakers could take more.\n\nI've spent all week looking at amps, and for my budget I feel like Class D is the way to go. I'm thinking that I should bi-amp and keep the Yamaha on the mids and tweeters, and dedicate another amp (with some level matching) with 200+ wpc to just the woofers. I'm about to pull the trigger on one of the Crown XLS amps...\n\nbut...\n\n...my reading online shows that the input sensitivity of the Crowns is 1.4V, whereas the Yamaha (made for home use) is 150mV. I was planning to run an RCA from the Yamaha's REC OUT to the Crown's input but that's not going to work. However, the MAIN IN\/PRE OUT loop (for equalizers \/ processors) has a 1V output level. Good, but it has a jumper between the in and out, because the loop has to be closed.\n\nMy theoretical solution: Obtain a pair of a male to male+male RCA splitter cables (such as: this one),use them as jumpers on one end (Yamaha) and the input on the other (Crown). Would\/should this work, or am I in danger of magic blue smoke if I try it?\n\nYamaha manual, the specs are on page E-13: https:\/\/usa.yamaha.com\/files\/download\/other_assets\/2\/319722\/AX-596.pdf\n\nAs always, thanks for any and all feedback.