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buy direct MODELS the jazz the bossa nova  the Segue the 20M 30M   30MSE  60M the 20M armada 15EXP Sub contact us                About MasterSource Audio MasterSource is a division of NSM AUDIO. In January 1994 NSM introduced the Model 20M, its first point source loudspeaker, at the International Consumer Electronics Show in Las Vegas, Nevada, USA. The speaker won acclaim for its superb soundstage presentation. Since then NSM AUDIO has conducted extensive research and development of point source loudspeakers. In addition to the other performance factors that enhance the performance of all NSM Audio loudspeakers, the additional factor of point source design generally offers a more coherent and accurate presentation of music. For example, point source loudspeakers generally have superior off-axis performance owing to the fact that the sound emanates from one place. Hence there is no issue of incoherence between drivers which can result in parts of the sound wave arriving at the listeners ear at different times. Minimonitors generally avoid these issues by of close arrangement of the drivers. This explains why point source loudspeakers image better than conventional loudspeakers. And imaging is the most important indication of how well a loudspeaker is designed. Some people may feel they get more value for their money if a loudspeaker has more drivers. However if you are concerned about accuracy and performance the point source loudspeaker is proof that "less is more." Superior off-axis response, and phase accuracy which sum to better imaging and more accurate soundstage presentation, make the point source loudspeakers one of the most appropriate designs for stereo and contemporary multi-channel Home Theater and Surround Sound systems. We invite you to take a close look at these loudspeakers. You will find that in general there is no brand of loudspeakers that can reproduce the musical soundstage with better accuracy and coherence than NSM Audio loudspeakers and among our loudspeakers MasterSource loudspeakers represents the elite.

MasterSource Audio, P.O. Box 13396, Research Triangle Park, NC, USA 27709-3396 Phone: 919-244-8777, Fax: 206-339-9034 copyright 2010 NSM Audio Company