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COMPVT65SUBWOOFER
5
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SEALED ENCLOSURE APPLICATIONS
The CompVT generates more sound pressure than competing subwoofers on the market and excels
when used in the recommended sealed boxes. These sealed enclosure designs give the smoothest
response with increased energy at the lowest frequencies. These designs deliver massive amounts of
highly-accurate bass and can be driven with punishing levels of amplifi er power.
The CompVT high performance suspension system can
operate in a larger sealed enclosure. This maximum
enclosure volume application is ideal for SQ (ultra sound
quality) installations. The SQ enclosure generates a very
fl at response curve and superbly extends the subbass
response. CompVT subwoofers perform well in any size
sealed enclosure between the Compact and SQ volume
recommendations. These systems will exhibit benefi ts of
both designs: Compact produces high-impact bass, and
SQ generates low bass frequency protraction. Overall, the
system will sound more like the recommended enclosure
design it is closest to in enclosure volume. These enclosure
recommendations have been calculated with the airspace
inside the enclosure and include the displacement of the
woofer. All sealed-enclosure airspace should be fi lled to
50% loose poly-fi l (polyester fi berfi ll) stuffi ng.
CompVT subwoofers will handle massive amounts of power in any of the recommended enclosures,
minimum or maximum. The smaller enclosures are best for use in limited-space applications. The larger
recommended enclosures will yield slightly more bass at the lowest frequencies.
CLEARANCE PLATE INSTALLATION
To make the most effi cient use of space when building the compact sealed enclosure for your CompVT
subwoofer, you must use the included clearance plate. The clearance plate allows the CompVT
subwoofer to sit recessed within the back panel of the subwoofer box to minimize the enclosure’s depth.
The clearance plate must seal tightly. First, use a plunging router, straight-cut bit, and a circle jig to
create a 1/16” (2mm) deep recess with an outer diameter of 6 1/2” (16.7cm) and an inner diameter of
approximately 5” (12.7cm). Center the recess behind the subwoofer on the back panel.
Then, cut a 5 1/4” (13.3cm) diameter hole in the center of the recess all the way through the back panel.
Using the clearance plate as a reference, drill the six screw holes with a #29 (0.136”, 3.5mm) drill bit.
Next, countersink each screw hole using a 1/4” (6mm) drill or countersinking bit so the clearance plate
will fi t tightly against the back panel. Remove the paper backing from the foam gasket and adhere it to the
inside of the clearance plate. Then, fasten the clearance plate to the box with six #8 screws.
stillwaterdesigns
P.O. Box 459 • Stillwater, Oklahoma 74076 • USA • (405) 624–8510
Model Volume ft
3
(L) Panel A in. (cm) Panel B in. (cm) Panel C in. (cm)
CompVT65 .2 ft
3
(5.66L)
14x14 (35.6x35.6) 14x2 (35.6x5.1) 12.5x2 (31.8x5.1)
Model Volume ft
3
(L) Power Handling
CompVT65 .2 ft3 (5.66L) 150W RMS
Model Volume ft
3
(L) Power Handling
CompVT65 3 ft3 (85L) 150W RMS
Panel Dimensions for Compact Sealed Enclosures using 3/4” (1.9cm) thick MDF (See Figure 4)
Sealed Compact Sealed SQ
BOX BUILDING NOTES
Use 1/2” (1.3cm) or thicker MDF (medium density
fi berboard) and seal the joints with silicone. Use the
“template” inside your CompVT’s shipping carton to mark
the mounting hole, then cut directly on the line. These
designs need internal bracing. Add triangular bracing
between each of the larger unsupported panels. See Figure
6. All the cubic feet (L) measurements in this manual include
the displacement of the woofer. If you prefer an ultra-
smooth bass response, you should loosely fi ll your CompVT
enclosure with poly-fi l stuffi ng. 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. Choose the Technical
Manuals link and then download or view the corresponding
information. Please E-mail support@kicker.com or call
Technical Services at (405) 624-8583 for specifi c or
unanswered questions.
CompVT Subwoofer - Covered by one or more of the following patents: U.S. Pat #’s 6,611,604,
6,731,773 D473,216, D456,386, D449,293, D355,193,
Taiwan Pat. #162,154; Other U.S. and foreign patents pending.
Figure 6
D
D
D
D = 1.5 (3.81cm) x 1.5 3.81cm)
Clearance Plate
1/16” (2mm) recess
6 1/2”
(16.7cm)
recess outer
diameter
5 1/4”
(13.3cm)
cut out
diameter
Drill with #29 (0.136”,
3.5mm) bit, then
countersink with 1/4”
(6mm) bit, six holes
equally spaced. Use
the clearance plate as
a template.
Sound Check: Poor bass response? Check the system phasing by reversing the positive and negative
speaker connections on the subwoofer. If the bass improves, then the subwoofer was out of phase in
reference to the rest of the audio system.
Figure 4
Figure 5
20090901-C-10CompVT65
2010 CompVT 65 c01.indd 4-52010 CompVT 65 c01.indd 4-5 9/18/2009 10:16:23 AM9/18/2009 10:16:23 AM