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VENTED ENCLOSURE APPLICATIONS
These boxes are the enclosure of choice for outrageous bass, so if space is not a problem and you want to get the most from your L7, try one of these vented designs.
L7 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 vented enclosure, the output
from 30Hz–80Hz will be considerably higher than that of a sealed box. The maximum vented design has even more output in this frequency band. The maximum vented
enclosure is the largest and most effi cient design.
Vented Compact
Box Volume, ft³ (L) + port displacement
Port Opening Size, in x in (cm x cm)
Port Length, in (cm)
Power Handling, RMS
Vented SQ
Box Volume, ft³ (L) + port displacement
Port Opening Size, in x in (cm x cm)
Port Length, in (cm)
Power Handling, 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 L7's shipping carton to mark the mounting
hole, then cut directly on the line. See Figure 1.
These designs need internal bracing. Add triangular bracing between each of the larger unsupported panels. See Figure 2.
2015 L7 Subwoofers Manual Rev G.indd 7
2015 L7 Subwoofers Manual Rev G.indd 7
8L7
10L7
.66 (18.69)
1.25 (35.4)
1.5x9.5 (3.8x24)
2.5x11.25 (6.4x29)
19.25 (49)
19.75 (50)
500
750
8L7
10L7
1 (28.32)
2.25 (63.7)
2x9.5 (5.1x24)
3x11.25 (7.6x29)
21.25 (54)
18 (46)
500
750
12L7
15L7
1.75 (49.6)
3.0 (85)
2.5x13.25 (6.4x34)
2.5x16.25 (6.4x41)
22.5 (57)
19.5 (50)
900
1200
12L7
15L7
3.25 (92)
6.0 (170)
3x13.25 (7.6x34)
3.5x16.25 (8.9x41)
14.5 (37)
13.75 (35)
900
1200
11/6/2014 9:25:58 AM
11/6/2014 9:25:58 AM
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