The Mirage M-1si speakers are known for their large bipolar design, delivering a rich and immersive soundstage. Here are the key specifications: Design: Bipolar, full-range floor-standing speakers Frequency Response: 22 Hz - 22 kHz Sensitivity: 82 dB (1 watt/1 meter) Impedance: 4 ohms (nominal) Power Handling: 50 - 300 watts RMS Drivers: Tweeters: Two 1-inch (25 mm) soft dome tweeters (one on front and one on the rear) Midrange Drivers: Two 5.25-inch (133 mm) midrange drivers Woofers: Two 8-inch (203 mm) woofers Crossover Frequencies: 200 Hz and 2 kHz Dimensions: 61 inches (H) x 15 inches (W) x 10 inches (D) Weight: Approximately 130 lbs per speaker These speakers are celebrated for their spacious sound and ability to fill large rooms, largely due to their bipolar configuration, which projects sound from both the front and rear drivers. This design creates a three-dimensional listening experience, making them popular among audiophiles.

Matched pair of Mirage M-1si Loudspeakers - See pictures for condition. Cabinets have been refinished, new binding posts.Local Pickup 18472. Very large and heavy.From stereophile.com: Three-way, reflex-loaded, bipolar loudspeaker system. Drive-units: two 1 (25.5mm) titanium hybrid-dome tweeters, two 5 (127mm) injection-molded polypropylene-cone midranges, two 8 (203mm) Polyflex treated, carbon-filled polypropylene-cone woofers with 1.5 (38mm) voice-coils. Crossover frequencies: 400Hz, 2kHz. Frequency response: 25Hz–33kHz ±2dB (on-axis), 25Hz–20kHz ±2dB (30° off-axis). Usable bass response: –10dB at 17Hz. Sensitivity: 82dB at 2.83V (1m), anechoic, 86dB in-room. Nominal impedance: 6 ohms, 4 ohms minimum. Amplifier requirements: 150–500Wpc RMS.

Rare original Mirage 5DR53040 Tweeter Speaker for M-3si & M-1si. It features a titanium dome. Each unit has been carefully tested by Audio Lab of Georgia. Free shipping within the CONUS,

excellent condition , clean non smoking environment, great black lacquer finish , speaker covers excellent ,pickup only