KS-10-D-2
KAR Series
Subwoofers
KS 10D2 KS 10D4
KS 12D2 KS 12D4
Installation Manual
Specifications
Woofer Specifications
Impedance
DC Resistance
Free Air Resonance
Q Electrical Resistance
Q non Electrical Resistance
Total Q
Compliance
Linear Excursion
Cone Area
Sensitivity 1 w @ 1 meter
Power Handling RMS
Max Power Handling
Re
Fs
Qes
Qms
Qts
Vas
Xmax
Sd
SPL
400 W 400 W 500 W 500 W
KS10D2 KS10D4 KS12D2 KS12D4
2X2 ohm 4X4ohm 2X2 ohm 4X4 ohm
1 ohm 4 ohm
32.1 29.5 27.1 28.2
.771 .658 .45 .48 .902 .908 .565 .58
4.87 4.68 5.07 4.91 5.06 5.28 4.99 5.18
.666 .577 .413 .437 .766 .775 .508 .522
41.6 37.9 51.5 52.7 84.8 94.6 86.5 85.6
13 mm 13 mm 13 mm 13 mm
360cm2 360cm2 523cm2 523cm2
86db 86db 87db 87db
200 W 200 W 250 W 250 W
1.8 ohm 7.2 ohm
1 ohm 4 ohm
Enclosure Recommendations
Sealed Enclosure
Optimum Sealed
Small Sealed
Ported Enclosure
Volume
Port Frequency
Port Area and Length
1.0 cuft 1.0 cuft 1.0 cuft 1.0 cuft
0.5cuft 0.5 cuft .65 cuft .65 cuft
1.0 cuft 1.0cuft 1.5 cuft 1.5 cuft
50 Hz 50 Hz 50 Hz 40 Hz
3”X5.4” 3” X5.4” 3” X5.7” 3”X5.7”
Calculating Enclosure Volume
It is difficult to give exact box dimensions that are
universal for all cars and trucks. It is for this reason
that you must be able to calculate the space in which
you have available in order to achieve the proper air
volume required.
1.8 ohm 7.2 ohm
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