Kicker L7 Manuel du propriétaire télécharger pdf (Page 9)

All the cubic feet (L) measurements in this manual include the displacement of the woofer. For the vented enclosures the displacement of the port must be calculated and

added to the internal volume of the ﬁ nal design. Use the outer dimensions of the vent and multiply “X x Y x Z”, and convert to cubic feet, for example the 12L7 vented

Compact design’s external vent dimensions are, using 3/4” (1.9cm) MDF:

[ (13.25” + 1.5” total MDF wall thickness) x (2.5” + 1.5” total MDF wall thickness) x 22.5”] x (1 ft

/ 1728 in

) = .77 ft

Add this number to the internal volume of the enclosure. The 12L7 is:

1.75 ft

+ .77 ft

= 2.52 ft

Due to the necessary length of these vents, you may want to fold the vent along the bottom

and back walls. It will be impractical to use round vents for these designs. Do not install a vent

opening against a solid surface, such as an internal brace, back-panel or trunk wall, seat or

interior panel of your vehicle. The vent opening must remain unobstructed. Use the smallest

dimension of the rectangular vent as the minimum amount of space between the vent opening

and any solid surface to insure unrestricted airﬂ ow.

If you prefer an ultra-smooth bass response, you should loosely ﬁ ll your L7 enclosure with poly-

ﬁ l stufﬁ ng. Vented designs will require covering the end of the port (located inside the box) with

grill cloth, chicken wire, or expanded metal to prevent the poly-ﬁ l from exiting the port. The use

of poly-ﬁ l will slightly decrease efﬁ ciency, but will deepen and extend the low frequency output.

For more advice on box building, refer to your Authorized Kicker Dealer, or click on the Support

tab on the Kicker homepage, www.kicker.com. Please e-mail support@kicker.com or call

Technical Support at (405) 624-8583 for speciﬁ c or unanswered questions.

WARNING: KICKER products are capable of producing sound levels that can permanently

damage your hearing! Turning up a system to a level that has audible distortion is more damaging

to your ears than listening to an undistorted system at the same volume level. The threshold of pain

is always an indicator that the sound level is too loud and may permanently damage your hearing.

Please use common sense when controlling volume.

IMPORTANT SAFETY WARNING – PROLONGED CONTINUOUS OPERATION OF AN

AMPLIFIER IN A DISTORTED OR CLIPPED MANNER CAN CAUSE YOUR AUDIO

SYSTEM TO OVERHEAT, POSSIBLY CATCHING FIRE AND RESULTING IN SERIOUS

DAMAGE TO YOUR COMPONENTS AND/OR VEHICLE.

2015 L7 Subwoofers Manual Rev G.indd 92015 L7 Subwoofers Manual Rev G.indd 9 11/6/2014 9:25:58 AM11/6/2014 9:25:58 AM

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Kicker L7 Manuel du propriétaire Page 9

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