A Designs MP-2A Stereo Tube Microphone Preamplifier Standard April 11, 2011/in All About Guitars /by sheetmusic$2,495.00 New True tube stereo preamp with unique tone switches offers boutique performance at an affordable price.A Designs MP-2A Stereo Tube Microphone Preamplifier Standard http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg 0 0 sheetmusic http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg sheetmusic2011-04-11 11:51:362011-04-11 11:51:36A Designs MP-2A Stereo Tube Microphone Preamplifier Standard