 The Yamaha NS @-@ 10 is a loudspeaker that became a standard nearfield studio monitor in the music industry among rock and pop recording engineers . <unk> in 1978 , the NS @-@ 10 started life as a <unk> speaker destined for the domestic environment . It was poorly received but eventually became a valuable tool with which to mix rock recordings . The speaker has a characteristic white @-@ coloured mid – bass drive unit . 
