VENTED ENCLOSURE APPLICATIONS
CompVX 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.
The Vented Minimum design increases bass effi ciency and fi ts in many space-limited applications.
Although it is the smallest recommended ported enclosure, the output from 30 to 80 Hz will be
considerably higher than that of any sealed box. The Vented Maximum design has even more output in
this crucial frequency band. The Vented Maximum is the largest and most effi cient enclosure design.
Vented Minimum
Box Volume, [ft
3
, L]
Port Opening, [in x in, cm x cm]
Port Length, [in, cm]
Power Handling, [Watts RMS]
Vented Maximum
3
Box Volume, [ft
, L]
Port Opening, [in x in, cm x cm]
Port Length, [in, cm]
Power Handling, [Watts RMS]
BOX BUILDING NOTES
Use 3/4" (1.9cm) or thicker MDF (medium density
fi berboard) and seal the joints with silicone. Use the
"template" inside your CompVX'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 3.
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 port and multiply
"X x Y x Z", then convert to cubic feet. For example,
the CompVX12 Vented Minimum design's external
port dimensions are, using 3/4" (1.9cm) MDF:
(12.5" + 1.5" total MDF wall thickness) x (2.5" + 1.5" total MDF wall thickness) x (20") x (1 ft
= .65 ft
3
,
Then, add this number to the internal volume of the enclosure. 1.75 ft
4
2017 CompVX Rev C.indd 4
2017 CompVX Rev C.indd 4
CompVX10
CompVX12
1.25, 35.4
1.75, 49.6
2X10.5, 5.1X26.7
2.5X12.5, 6.4X31.8
20, 50.8
20, 50.8
200
300
CompVX10
CompVX12
1.75, 49.6
2.25, 63.7
2.5X10.5, 6.4X26.7
3X12.5, 7.6X31.8
20, 50.8
20.5, 52.1
500
700
CompVX15
3, 85
2.75X15.5, 7X39.4
25.75, 65.4
500
CompVX15
5, 142
3X15.5, 7.6X39.4
22, 55.9
900
Figure 3
D
D
D = 3" x 3" for CVX15, CVX12
D = 2" x 2" for CVX10
3
+ .65 ft
3
= 2.4 ft
3
. See Figure 4.
D
3
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11/8/2016 2:32:38 PM
11/8/2016 2:32:38 PM