I purchased my 3.7s in 2011 and ran them with an ARC VT200 (200wpc) without problem although the amp did run out of steam at volumes higher than I cared to listen. I replaced the VT200 w/ MC601s a couple of months ago and clearly the increased wattage allowed the speakers to perform more fully and with greater ease. I would say your amps are more than adequate. Insofar as WAF is concerned, these speakers look smaller or larger depending upon the room size and what else is in the room. Audio salons can be misleading. I have 13' ceilings and the 71" tall 3.7s were still "noticable". Measure twice, cut once as they say.
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Wilson Alexia V; ARC Ref 6SE; ARC Ref Phono 3SE; Boulder 1160; Esoteric K1X; Artisan Fidelity Garrard 301 Statement; Ikeda 407; Koetsu Leopard, Coralstone; Shunyata Denali 6000T; Shunyata AC cables; Siltech Prince speaker cables; Siltech Princess interconnects, Avondale II phono.
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