Magnepan, Inc. is an American manufacturer of planar magnetic loudspeakers founded in 1969 by Jim Winey (1934-2024), a 3M engineer who invented the Magneplanar loudspeaker. Headquartered and manufacturing in White Bear Lake, Minnesota, the family-owned company specializes in quasi-ribbon and true ribbon speaker technology using thin aluminum strips attached to Mylar film positioned near magnets to create full-surface sound reproduction. Now led by Jim's son Mark Winey as President, Magnepan has been America's premier dipole magnetic planar speaker manufacturer for over 50 years, serving audiophiles and home theater enthusiasts with handcrafted high-end speakers including the popular LRS (Little Ribbon Speaker) series. The company employs 11-50 people and operates dual websites (magnepan.com and magneplanar.com) while maintaining its reputation as a leader in high-value, high-quality flat panel audiophile speakers for stereo and multi-channel applications.