© 2008 directed electronics—all rights reserved 21
XTR122 & 124 Vented Enclosure Recommendations
—Box Parts—
Box Shape: Square Prism
1 Top, 1 Bottom:
depth (c) = 15.95 in. (405 mm)
width (b) = 18.5 in. (470 mm)
thickness = 0.75 in. (19 mm)
1 Front, 1 Back:
height (a) = 12 in. (305 mm)
width (d) = 17 in. (432 mm)
thickness = 0.75 in. (19 mm)
2 Sides:
height (a) = 12 in. (305 mm)
depth (c) = 15.95 in. (405 mm)
thickness = 0.75 in. (19 mm)
—Driver Mounting—
Mounting: Flush
Vent Parts
1 Duct:
outside diameter (e) = 4.25 in. (108 mm)
inside diameter (g) = 4 in. (102 mm)
length (h) = 11.26 in. (286 mm)
c
b
Top &
Bottom
a
d
Front &
Back
c
Sides
A
B
C
External Dimensions
A = 13.5 in. (343 mm)
B = 18.5 in. (470 mm)
C = 15.95 in. (405 mm)
Internal Dimensions
A = 12 in. (305 mm)
B = 17 in. (432 mm)
C = 14.45 in. (367 mm)
Wall Thickness
Front = 0.75 in. (19 mm)
Side = 0.75 in. (19 mm)
Figure 17
Figura 17
Abbildung 17
Box Properties
— Description —
Type: Vented Box
Shape: Prism, Square
— Box Parameters —
Vb = 1.5 cu.ft
V(total) = 1.705 cu.ft
Fb = 40 Hz
QL = 6.288
F3 = 33.47 Hz
Fill = none
— Vents —
No. of Vents = 1
Vent shape = round
Vent ends = one flush
Dv = 4 in. (102 mm)
Lv = 11.26 in. (286 mm)
h
g
e
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