Prima 210W 2Ohm Woofer 165mm (sold as set)

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AP 6.5 ohm2 woofer has been developed with 2 ohm nominal impedance with the purpose of exploiting all the power made available by the AP8.9 bit amplifier capable of 65W into a 2 oh m load. To maximize the woofer efficiency achieving 95 dB, a 25 mm diameter 10 mm winding height coil, so a more lightweight coil, has been employed, at the same time also providing a linear excursion 2.8 mm higher than the one of AP 6.5 (4 ohm), therefore ensuring high SPL values with minimum distortion even at high listening levels. To extend the woofer's frequency range down to low frequencies up to 50 Hz a 75 Hz resonance frequency has been chosen, achieving excellent low frequency output even without the use of a subwoofer. Features: 2 impedance, to fully exploit the 65 W power per channel at 2 of the AP8.9 bit amplifier. 75 Hz resonance frequency, to extend the frequency range downto low frequencies up to 50 Hz and increase the SPL in the low range. 25 mm mobile voice coil to maximize efficiency achieving 95 dB. 10 mm winding height mobile voice coil to increase maximumlinear excursion up to 2,8 mm and minimize distortion, even athigh listening levels. Water-repellent treated paper cone, featuring profile developedwith FEM simulation technology and optimized with the KlippelScan Vibrometer. Reduced mounting depth, providing ease of installation in OEMplacements. TPU (Thermoplastic Polyurethane) surround, featuring the exclusive “Triple Wave” shallow profile, for maximum excursion linearity. Compact basket, protected by abrasion-resistant and scratch-proofcoating. Damping epoxy glue provides perfect coupling with themotor system. High current fast-on terminal with double contact on positive andnegative poles for high flexibility and quick connection. The terminalfeatures a temperature resistant plastic cover, protecting it againstaccidental short circuits. Size 165 mm Power Handling - Peak 210 W Power Handling - Continuous 70 W Impedance 2 Ohm Frequency Response 60 ÷ 5k Hz Voice Coil Ø 25 mm Woofer Qes 0,73 Xmax 2.8 mm D 127 mm Driver Displacement Volume 95 Re 2.1 Ohm Fs 75 Hz Vas 8.5 l Mms 10.5 g Cms 0.4 mm/N BL 3.8 T•m Qms 4.8 Qts 0.63 Le Standard 0.15 mH Spl 95 dB Show more