Ground Zero GZIW 12XSPL-D2

<p>12″ High-power XSPL subwoofer Klippel optimized New reinforced paper cone with 3D honeycomp structure.<br><br>- 2.5″ copper voice coil <br>- High-roll sandwich surround progressive 2-layer spider <br>- Push terminals <br><br>Don´t get fooled by the affordable price! These budget class XSPL-monsters are designed with Klippel-optimization to squeeze out every single desibel that is possible to get. Voice coil cooling is very efficient and long excursion gives you a LOT of bass. Very linear impedance curve makes it possible to really extract all the power from the amp to these subwoofers.</p>Technical Data: – 12″ XSPL Subwoofer- Progressive 2-layer spider- Voice coil 63 mm / 2.5″- Impedance 2 x 2 Ohm- Re 4.33 Ohm- Fs 32,5 Hz- Qms 10.76- Qes 0.79- Qts 0.73- Vas 40.4 L- Le 2.48 mH- Mms 231 gr- Bl 15.9- Xmax 34 mm / 1.34″- Effiency ( SPL 1w / 1m )- Power handling ( SPL ) 1000 Watts- Rec. amplifier power 500 – 1000 Watts- Outer diameter 310 mm / 12.2″- Mounting cut out 285 mm / 11.22″- Mounting depth 162 mm / 6.38″Recommended enclosures:- Vented 45L net – Port 10cm / 4″, length 21cm- Bandpass ( 4th order ) 25L net sealed / 40L net vented- Port 10cm / 4″, length 11cm- Tuning frequency Fb 57 Hz-Bandwith 35 – 100 Hz.Model specification: IRIDIUM