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Magnepan SMGa Floorstanding Loudspeakers Looking for a pair of high-fidelity, planar magnetic speakers that deliver an immersive and natural soundstage? I’m selling a pair of Magnaplanar MagnaPan SMGa speakers in good condition, perfect for audiophiles and vintage speaker collectors. Specifications: • Type: Planar Magnetic Loudspeaker • Impedance: 4 Ohms • Frequency Response: 50 Hz – 26 kHz • Crossover Frequency: 1.8 kHz • Recommended Amplifier Power: 40W – 200W RMS per channel • Efficiency: ~86 dB (1W/1m) • Speaker Dimensions: Approx. 48” (H) x 18” (W) x 2” (D) • Weight: ~25 lbs each • Conn
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Founded in 1969 in White Bear Lake, Minnesota, by engineer Jim Winey, Magnepan emerged from his dissatisfaction with electrostatic speakers during his time at 3M. Seeking a superior alternative, Winey invented the Magneplanar—a thin-film magnetic driver that rivaled electrostats without their limitations. Bootstrapped with funds from friends and family, the family-owned company has remained American-made, now led by Winey's son Mark from a 50,000-square-foot facility, upholding over five decades of planar innovation.
Magnepan specializes exclusively in planar magnetic loudspeakers, from compact Mini Maggies to towering flagships like the 3.7i. These full-range or hybrid panels eschew traditional cones for quasi-ribbon and true-ribbon drivers, delivering expansive soundstages and lifelike transients. The lineup avoids amplifiers, turntables, DACs, headphones, or cables, focusing solely on speakers that demand high-current amplification to thrive.
Positioned as a high-end niche leader, Magnepan commands reverence among audiophiles for neutral voicing, room-filling dispersion, and value that outpaces competitors dollar-for-dollar. Handcrafted in the USA with domestic parts—"Made in America. Sold in China"—its panels offer unmatched transparency at premium prices, cementing a legacy as the pinnacle of planar magnetic reproduction for discerning listeners worldwide.
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