Designed to be used in two- or three-way systems, the GS690 includes a non-resonant injection-molded ABS plastic and fiberglass vented basket. For a 2-Way system, use a GS10 tweeter and a GS610C crossover. You can also use the GS690 with a GS42 and an active crossover, or with a GS10, GS40 and GS410C with an active crossover between the GS690 and GS40. The 1" copper voice coil wound on a Kapton® former provides high power handling. A parabolic propylene cone ensures long-term reliability and provides the right compromise between compliance and stiffness for flatter high frequency response. The ferrite motor includes a neodymium bucking magnet atop the pole piece for increased motor strength and sensitivity. Terminals are secured by a small PC board integrated into the inside of the basket. Features: Proprietary injection molded vented ABS and fiberglass basket 1" (25mm) copper voice coil on Kapton® former Ferrite motor with extended polepiece for magnetic field symmetry Parabolic propylene cone Flat progressive Nomex® spider Nitrile butadiene rubber surround Fast-on terminals secured with integrated PC board Specs: Nominal Impedance: 4 Ohm RMS Power Handling: 100 W Peak Power Handling: 300 W Frequency Response (-3 dB): 42 Hz - 5 kHz Sensitivity (2.83 V/1 M): 92 dB Recommended Amplifier RMS Power Range: 15 W - 100 W Recommended Low Pass Filter Frequency and Slope: = 3.5 kHz, = 12 dB/oct
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