in the next few days, i will host a semi-scientific comarison w/ km140s>m148>acm671@24/44.1 (one set w/ the brick, one w/o). i was dfc, ~15 ft from the stage, din, stand at ~5ft. its a local jazz act, the vamps, w/ originals and several recognizable covers. best local band 'round these parts. 3 horns, bass, guitar, drums, and percussion. stay tuned...