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Alpine SPR-57LP
The all new 2005 Type-R speakers are all about better sound performance! All Type-R speakers feature a multi layer cone, for maximum strength, powerful bass and superior musical detail. True linear movement allows for a more accurate musical reproduction and deeper bass and better handling for higher volume levels. The SPR-57LP features a point source tweeter for better sound quality with less distortion. The unique design of the point source tweeter eliminates any cross cancellation between woofer and tweeter, and aligns the sound waves, for smooth sound performance. 200W Peak Power 40W RMS Frequency Response: 35Hz – 30kHz Multi-Layered Hybrid Fiber Cone Linear Drive Magnet Motor Structure Lightweight Rubber Surround High-Strength Steel Frame 1" Soft Dome Tweeter with Tuned Back-Chamber in Point Source Configuration Tweeter Feather Light Silk Dome Tweeter Flush & Surface (W/swivel) Mounting Kits Neodymium Magnet General-Speakers Frequency Response : 35Hz - 30kHz Impedance (Nominal) : 4 ohm Mounting Depth (in) : 2-3/8" Mounting Depth (mm) : 60.3mm Mounting Diameter (in) : 5" x 7-1/8" Mounting Diameter (mm) : 127mm x 180mm Sensitivity : 87 dB/W/m Power Handling Capacity (Peak) : 200W Power Handling Capacity (RMS) : 40W External 12dBHP/6dBLP Crossover with Tweeter Protection and Level Adjustment
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