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C8VR / C10VR / C12VR / C15 / C18VR Subwoofers Congratulations ! You have just purchased one of the most flexible subwoofers yet from KICKER . Your CompVR sub is designed to give you great bass performance in a wide variety of applications . These installations instructions will help you get the most out of your new KICKER sub . Thanks for buying KICKER . Enjoy ! Features Hemispherical Polymineral Cone with Inverted Structural Dome â„¢ ( ISD ) means high rigidity under pressure for accurate linear control , low enclo - sure pressure loss to reduce " pump - down " , high internal dampening , and excel - lent sunlight , pollution and moisture resistance . Double - Stitched Surround prevents cone / surround separation at high excursions . Blackened Pole Piece maximizes heat transfer for long voice coil life . Extended Pole Piece allows cooler operation for superior power handling and magnetic field linearity around voice coil gap for enhanced control . Vented Pole Piece relieves low bass - robbing pressure under the center dome . Extended Backplate prevents damaging voice coil " bottoming " . Perimeter Venting for measurably lower operating temperature and freer cone motion . Hi - Temp Kapton Â® Voice Coil Former protects against warped , rubbing voice coils . Long - Throw Voice Coil for enormous cone excursion capabilities . High Power Lead Wires resist lead breakage and reduce power robbing resistance losses .
Installation Instructions The Comp subs are designed to be as universal as possible . Great performance can be obtained when using them in sealed or vented boxes as well as on an Infinite Baffle ( freeair ) . Infinite Baffle Mounting The infinite baffle or freeair mounting method is very effective in a sedan type of vehicle . The easiest way to do this is to cut out the parcel shelf just big enough for your chosen driver ( s ) . The parcel shelf is usually not very strong and any flexing will decrease the bass response . To reinforce this area and to give you something to mount the woofer ( s ) to , a piece of strong wood needs to be cut and mounted to the bottom of the shelf . We recommend a medium to high density fiberboard ( MDF or HDF ) 3 / 4 " thick . Common particle board is not very good for use in a car stereo . If a good grade of fiberboard is not available in your area , use a good grade of marine plywood . The key factor in utilizing the freeair method is to make sure the information coming off the back of the woofer doesn't have a chance to mix with the infor - mation coming off the front . If the front and back are not sealed from each other a big part of the bass will get cancelled out . 2
Sealed box mounting A very smooth bass response with good low bass extension is achieved when the Kicker Comp woofers are mounted in a correctly built sealed box with the correct airspace . Sealed ( acoustic suspension ) designs have been a favorite here at Kicker since the original Competition Series was introduced . We build just about all of our show vehicles with sealed boxes for the smooth response , good power handling and great sound quality they offer . Of all the enclosures possible the sealed box is the easiest to build . The two most important rules are to make it very solid and to seal all the joints perfectly . If the panels of an enclosure can flex or vibrate you will experience a loss of bass output . You don't want to throw away any of the output capability of your Kicker Comp woofers . Sealing all the joints in the enclosure is necessary to avoid loss of output and driver failure . The following information will give you examples of compact sealed enclosures for the Kicker Comp woofers . They have very high power handling and massive amounts of high impact bass . The given volumes are the minimum recommend - ed and include driver displacement . Maximum volumes for KICKER Comps are C8 - 1.2cf , C10 - 2.4 cf . , C12 - 3.5 cf . , and C15 - 5.0 cf . As the sealed enclosure vol - umes increase , the response will shift from high impact bass to a smoother and more extended low end . Compactre Model Enclosu Woofer A B Canel Volume Cutout panel panel p C8VR . 5 cf 7 â€� 11 x 11 â€� 11 x 9 - 1 / 2 â€� 9 - 1 / 2 x 9 - 1 / 2 â€� C10VR 1.0 cf 9 - 5 / 32 " 13 - 1 / 2x13 - 1 / 2 " 13 - 1 / 2x12 " 12x12 " C12VR 1.25 cf 10 - 15 / 16 " 14 - 1 / 2x14 - 1 / 2 " 14 - 1 / 2x13 " 13x13 " C15VR 2.25 cf 13 - 11 / 16 " 17 - 1 / 4x17 - 1 / 4 " 17 - 1 / 4x15 - 3 / 4 " 15 - 3 / 4x15 - 3 / 4 " C18VR 2.75 cf 16 - 5 / 16 " 19 - 1 / 2x19 - 1 / 2 " 19 - 1 / 2x14 - 1 / 2 " 14 - 1 / 2x18 " 3
Vented Box Mounting Almost as easy to build as the sealed box , the vented or ported enclosure can give you more output at certain bass frequencies . Although this design has an output advantage at some frequencies it also has a sharper rolloff characteristic which will only affect the lowest of bass frequencies . Overall a correctly designed vented enclosure will have some " free " output provided by the port itself . One major disadvantage to the vented design is the " unloading " of the woofer at very low frequencies . At a frequency 1 / 2 - octave below the tuning frequency of the enclosure the woofer acts like it has no box to work in and can go to full excursion . This will be harmful to the woofer's mechanical integrity . It is there - fore very important to stay with the recommended designs . Since the peak pressure inside a vented enclosure can actually be higher than that of a sealed box , the same precautions must be taken to assure that the enclosure is rigid and sealed around all the joints . Recommended vented enclosure volume ranges are . 8 - 1.2cf for the C8 , 1.25 - 1.75 cf for the C10 , 1.75 - 2.25 cf for the C12 , and 3.0 - 4.0 cf for the C15 . As with the sealed boxes , as enclosure volume increases the response shifts from high impact to a smoother and more extended bass sound . Below are specifications for a simple compact vented box for each sub . Compact Enclosure SPL / Deep tBassed Model ( Minimum ) Vented ( Maximum ) Ven Volume Volume CompVR 8 . 8 cu . ft + port 1.20 cu . ft . + port port 1 - 1 / 2 x 8 x 20 â€� port 2 x 8 x 18 - 3 / 8 â€� Power Handling = 75W Power Handling = 75W CompVR 10 1.25 cu . ft . + port 1.75 cu . ft . + port Port 2 x 10 - 1 / 2 x 20 â€� Port 2 - 1 / 2 x 10 - 1 / 2 x 20 â€� Power Handling = 150 Power Handling = 150 CompVR 12 1.75 cu . ft . + port 2.25 cu . ft . + port Port 2 - 1 / 2 x 12 - 1 / 2 x 20 â€� Port 3 x 12 - 1 / 2 x 20 - 1 / 2 â€� Power Handling = 150 Power Handling = 150 CompVR 15 3 cu . ft . + port 5 cu . ft . + port Port 2 - 3 / 4 x 15 - 1 / 2 x 25 - 3 / 4 â€� Port 3 x 15 - 1 / 2 x 22 â€� Power Handling = 500 Power Handling = 500 4.0 cu . . ft . . + port 6 cu . . ft . . + port CompVR 18 Port 3 x 18 x 24 - 1 / 4 â€� Port 3 x 18 x 20 - 3 / 4 â€� Power Handling = 500 Power Handling = 500 4
Multiple Woofer Enclosures If you are building enclosures for more than one woofer , they should always be divided to maintain the correct airspace for each woofer . There are a couple of reasons for this . First of all , not all woofers are exactly the same . If there are slight differences between the woofers in a common enclosure , at certain fre - quencies one woofer may think it's in a larger enclosure than intended . This can affect the power handling capability . Second , if one woofer fails , the remaining woofers will have more airspace to work in than what was designed . Again , this will severely affect the power handling capability of the woofers that are still working . Another benefit of a divided enclosure is that the divider helps strengthen the enclosure . A large common enclosure will have much bigger panels than one that is divided . Large panels tend to flex more and can cancel some of the woofer's output . 5
Box Building Tips The material of choice for building a strong box is 3 / 4 " MDF ( Medium Density Fiberboard ) . Cross bracing is a good idea to help reduce panel vibration . Strips of 3 / 4 " by 2 " wood work well for tying the panels together . HDF ( High Density Fiberboard ) is also good as is a really good grade of plywood ( such as marine grade 7 or 13 ply ) . Regular particle board is not very good for speaker enclosures . It is flexible and will crumble when you try to screw the woofer in . A good grade of wood glue is recommended for joining two pieces of wood together along with 1 - 1 / 4 to 1 1 / 2 " drywall screws or 1 - 1 / 2 " staples . A fastener placed about every 3 " will hold the box together good enough until the glue dries . After assembling the box and allowing the glue to set up , use silicone seal - er to make absolutely sure the corners are perfectly sealed . Hint : When assembling the enclosure , build the whole enclosure except for the rear baffle opposite the woofer cutout . This way you can easily reach inside to apply the silicone sealer . Once this is done , put the rear panel on and seal it by reaching through the woofer cutout . A common source of air leaks is the connecting wire for the woofers . Terminal cups are commonly available and are recommended . They provide an airtight means for bringing the wire into the enclosure and allow for easy wiring changes . An alternative is to drill a hole slightly larger than the wire and seal carefully with silicone sealer . Do not disturb the silicone until it has set up . Moving the wire before the silicone has set up will usually cause an air leak . If you carpet the enclosure it is important to cut the carpet around the woofer opening . It is hard to get a good seal if you have both the gasket and the carpet between the woofer and the wood . On a sealed enclosure it is easy to test the seal of the box . Push the cone in all the way and let it go . If the seal is good , the cone should take at least five sec - onds to return to the center position . If the cone spring back faster that that you have a leak somewhere in the enclosure . Sometimes you can hear air escap - ing around the woofer or at one of the joints in the enclosure . If the box itself leaks take the woofer out and check the silicone seal all around the inside . If the air is leaking out around the woofer try adding a flexible sealer like plumber's putty or rope caulk . Don't use silicone sealers around the woofer . For more information and additional box plans , see the KICKER Comp Technical Brief on kicker . com or call the Technical Services Line at ( 405 ) 624 - 8583 . 6
Specifications Model C8VR C10VR C12VR C15VR C18VR SPL 1W / 1M 83.0dB 85.6dB 86.4dB 88.5dB 89.1dB Displacement , cc 673.5 982.3 2001.2 3992.6 6513.39 Displacement , cu in 41.1 75.3 122.1 243.6 397.4 Hole cutout , in . dia . 7 9 - 5 / 32 10 - 15 / 16 13 - 3 / 4 16 - 5 / 16 Mounting Depth , in . 3 - 15 / 16 5 - 7 / 16 6 7 - 1 / 2 8 - 1 / 4 Revc 7.58 Ohms 7.75 Ohms 7.81 Ohms 7.18 Ohms 7.32 Ohms Sd , SqM , 0214 . 0379 . 05321 . 0881 0.1159 BL , TM 11.79 17.65 18.3 19.78 26.83 Vas , Liters 14.11 40.40 92.82 257.3 423.17 Vas , CuFt . . 498 1.42 3.28 9.08 14.94 Mms , gms 60.17 116.29 151.47 227.92 372.63 Fs , Hz 44.1 33.1 26.8 21.8 17.5 Qms 9.34 8.703 9.38 10.689 11.942 Qes . 908 . 603 . 596 . 573 0.417 Qts . 828 . 564 . 561 . 544 0.403 Pmax , watts 200 300 400 500 1000 Xmax , mm 8.5 11.5 11.5 12.75 14 Freq Response , Hz 30 - 500 25 - 500 25 - 500 25 - 500 23 - 500 Magnet weight , oz 25 43 45 100 138 Voice coil ( Kapton ) , In . 1 - 1 / 2 2 2 2 2 - 1 / 2 * Based on 4 - Ohm models 7
SPEAKER SYSTEMS LIMITED WARRANTY Stillwater Designs warrants this product to be free from defects in material and workmanship czunderedays - normal use for a period of one ( 1 ) year from date of original purchase from an 0authori ) Kicker Dealer , unless this product is labeled â€œ B Stock â€� , in which case it is warranted for ninety ( 9 dufasents from date of purchase . Should service be necessary under this warranty for any reason due to manat turing defect or malfunction during the warranty period , Stillwater Designs will replace or repair ( it discretion ) the defective merchandise with equivalent merchandise at no charge . Warranty replacemd on â€œ B - Stock â€� may have cosmetic scratches and blemishes . Discontinued products may be replace with equivalent products . This warranty is valid only for the original purchaser and is not extended to owners of the productodd subsequent to the original purchaser . Any applicable implied warranties are limited in duration to a aperin of the express warranty as provided herein beginning with the date of the original purchase at retail , no warranties , whether express or implied , shall apply to this product thereafter . Some states do not allow limitations on implied warranties , therefore these exclusions may not apply to you . This warranty gives you specific legal rights ; however you may have other rights that vary from state to state . WHAT TO DO IF YOU NEED WARRANTY OR cSERVICEal Defective merchandise must be returned to your lo Authorized Stillwater Designs ( Kicker ) Dealer for warranty . Assistance in locating an Authorized Dealer can be obtained by writing or calling Stillwaterealer Designs direct . You can confirm that a dealer is authorized by asking to see a current authorized d window decal . If it becomes necessary for you to return defective merchandise , call the Kicker Customer Servicein Department at ( 405 ) 624 - 8510 for a Return Authorization ( RA ) number . Package all defective items the original container or in a package that will prevent shipping damage , and return to Stillwater Designs , 5021 North Perkins Road , Stillwater , OK 74075 The RA number must be clearly marked on the outside of the package . Return only defective compo - nents . Return of entire cabinets , system packs , pairs , etc . increases your return freight charges . Non - defective items received will be returned freight collect . Include a dated proof - of - purchase from an Authorized Dealer . Warranty expiration on itemseraget returned without proof - of - purchase will be determined from the manufacturing date code . Covreigh may be invalidated if this date is greater than 18 months previous to the date item is sent in . F must be prepaid ; items received freight collect will be refused . Failure to follow these steps may void your warranty . Any questions can be directed to the Kicker Customer Service Department at ( 405 ) 624 - 8510 . WHAT IS NOT COVERED ? This warranty is valid only if the product is used for the purpose for which it was designed . It does not cover : â€¢ Install slips ( screwdriver holes ) â€¢ Items previously repaired by any â€¢ Damage caused by exposure to water unauthorized repair facility . and / or excessive heat . â€¢ Items returned from unauthorized â€¢ Damage through negligence , misuse , or individuals or dealers . accident . â€¢ Return shipping on non - defective items . â€¢ Items physically damaged due to abuse . â€¢ Speakers damaged due to amplifier â€¢ Freight damage . clipping or distortion . â€¢ The cost of shipping product to Stillwater â€¢ Speakers with silicon caulk used for gasket Designs Service . material . HOW LONG WILL IT TAKE ? Stillwater Designs maintains a goal of 24 - hour service for all returns . Delays may be incurred if lack of replacement inventory or parts is encountered . INTERNATIONAL WARRANTY Contact your International Stillwater Designs dealer or distributor concerning specific procedures for your countryâ€™s warranty policies . P . O . Box 459 â€¢ Stillwater , Oklahoma 74076 â€¢ U . S . A . â€¢ 405 624 - 8510 KICKER drivers are capable of producing sound levels that can tpermanentlyor - damage your hearing ! Turning up a system to a level that has audible sdistem tion is more damaging to your ears than listening to an undistorted sy 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 . WARNING : PPleaase use common sense when controlling volume ! ! March 2002