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The R-Series speakers use Alpine’s exclusive cone technology, Carbon Fiber Reinforced Polymer (CFRP), which is a high-strength, lightweight material. CFRP can be custom-formed so that its fibers align in the same direction as the curve and shape of the cone, thereby reducing resonant peaks and increasing the speakers’ mid-bass performance and dynamic range. CFRP is also used as a tweeter diaphragm, enabling the speakers to perform into the 45kHz range and making them compliant with High-Resolution Audio playback.
Talc, a common mineral used in products such as baby powder and paint, has been found to have incredible damping properties while being less dense than the traditional Mica filler used in dust caps. By adding a calculated amount of talc to the mica polypropylene in the dust cap, Alpine were able to increase vibration absorption of the cap while lowering the density. The resulting lighter dust cap contributes to a faster attack and a more accurate reproduction of low frequencies.
12" dual 2-ohm voice coil component subwoofer. This subwoofer produces 500 Watts of RMS and 1000 Watts of Peak Power with e frequency response of 25-500Hz
8" 250W RMS (500W Peak Power) 4-ohm Impedance SPL Woofer
1000W Peak 8" Type-R Series Dual 2 ohm High Performance Subwoofer
L7 12" 1800 Watts Peak Power Square Dual Voice Coil 2 Ohm Car Subwoofer
GTX Series 10 inch, 1400 Watts Power with Dual 4 Ohm Subwoofer
8'' 600 Watts Dual VOice Coil Subwoofer
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