The C7-650cw component woofer is capable of operating in a 3-way system, with a midrange and tweeter, or with only a tweeter in a 2-way configuration. Engineered from the ground up, it has exceptional linear excursion capability and outstanding linearity, resulting in solid mid-bass and pure, precise, mid-range performance. Distortion and non-linearities have been minimized through critical optimization of dynamic motor and suspension behaviors. The result is an astounding display of sound quality.
Crafted by one of the leading makers of car audio technology, JL Audio truly provides the sound of the generation.
Here are some Design Notes from the manufacturer:
Cone and Dust Cap: Vacuum-formed, mineral-filled polypropylene material offers excellent damping and low mass. The cone body features a gentle curvilinear profile to optimize response. A specially shaped dust cap attaches to the cone body and the voice coil former to improve high frequency behavior.
Suspension design: The moving assembly is suspended and damped via a large-diameter, linear profile spider formed from a Nomex®/polycotton blend, and a positive-roll, rubber surround. The two combine to provide optimum damping without prematurely restricting the C7-650cw's outstanding excursion capability.
Motor Design: The C7-650cw employs a high-density magnetic circuit with a high-grade Y35 Strontium-ferrite magnet, and a specially machined, T-Yoke motor topology. Motor magnetics have been precisely optimized utilizing advanced FEA tools to reduce distortion and provide linear motor force throughout the driver's performance range.
A 32 mm (1.27 inch) diameter, overhung voice coil is employed, wound with copper wire onto a fiberglass voice coil former. The oversized voice coil offers extended power handling capability, minimizing thermal compression and distortion at higher listening levels. Chassis Design: A purpose-engineered cast alloy basket is employed, featuring thin spokes to maximize rear open area, and our Patented Elevated Frame Cooling technology.
Onlinecarstereo is a long time authorized online retailer of JL Audio products. We source ouor inventory straight from the manufacturer so you know you are getting original JL Audio merchendise. We always strive to provide the cheapest price online and 100% total customer satisfaction and after market service.
Diameter : 6.5 Inch
Maximum Power : 225 Watts
Low Frequency response : 50 Hz
High Frequency Response : 5000 Hz
Sensitivity : 90 dB
Impedance : 4 Ohm
Frequency Response : 50-5000 Hz
RMS Power Range : 125 Watts
Design : 3 Way
Shallow Mount : No
Continuous Power Handling (RMS): 125 W
Peak Music Power: 225 W
Recommended Amplifier Power (RMS): 50 - 175 W / Ch.
Nominal Impedance: 4 Ω
Frequency Response: 50 Hz - 5 KHz ± 3 dB
Voice Coil Resistance (Re): 3.114 Ω
Free Air Resonance (Fs): 54.5 Hz
Reference Efficiency (no): 0.304%
87.0 dB @ 1W / 1m
93.0 dB @ 1W / 0.5m
Sensitivity: 90.0 dB @ 2.83V / 1m
Electrical “Q” (Qes): 0.669
Mechanical “Q” (Qms): 6.265
Total Speaker “Q” (Qts): 0.605
Equivalent Compliance (Vas): 0.461 cu. ft. (13.05 liters)
Moving Mass (Mms): 17.679 g
Mechanical Compliance (Cms): 0.000482 m/N
Magnetic Strength (BL): 5.31 N/A
Effective Piston Area (Sd): 21.4 sq. in. (0.013807 sq. m)
One Way Linear Excursion (Xmax): 5 mm
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Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 year from the original date of purchase with proper return authorization.
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