Orion Car Audio HCCA COMPETITION HCCA154 User Manual
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© 2008 Directed Electronics. All rights reserved.
HCCA122 & 124 Vented 1200 to 2000 Watts Input
Note: These enclosures will deliver higher sound pressure levels than sealed enclosures.
The perceived loudness will be lower than a sealed enclosure, although the metered
number will be higher. WARNING: proper setting of the IntelliQ is critical or woofers
may become damaged from over excursion!
c
b
—Box Parts—
Box Shape – Square Prism
1 Top, 1 Bottom
depth (c) = 22.78 in. (579 mm)
width (b) = 18 in. (457 mm)
thickness = 1 in. (25.4 mm)
1 Front, 1 Back
height (a) = 16 in. (406 mm)
width (d) = 16 in. (406 mm)
thickness = 1 in. (25.4 mm)
2 Sides
height (a) = 16 in. (406 mm)
depth (c) = 22.78 in. (579 mm)
thickness = 1 in. (25.4 mm)
— Driver Mounting —
Mounting: Front
Top &
Bottom
a
d
Front
& Back
c
Sides
A
B
C
— External Dimensions —
A = 18 in. (457 mm)
B = 18 in. (457 mm)
C = 22.78 in. (579 mm)
— Internal Dimensions —
A = 16 in. (406 mm)
B = 16 in. (406 mm)
C = 20.78 in. (528 mm)
— Wall Thickness —
Front = 1 in. (25.4 mm)
Sides = 1 in. (25.4 mm)
h
e
h
g
— Vent Parts —
1 Top, 1 Bottom
width (e) = 6.5 in. (165 mm)
length (h) = 14.54 in. (369 mm)
thickness = 0.75 in. (19 mm)
2 Sides
height (g) = 5 in. (127 mm)
length (h) = 14.54 in. (369 mm)
thickness = 0.75 in. (19 mm)
Box Properties
— Description —
Type: Vented Box
Shape: Prism, Square
— Box Parameters —
Vb
=
2.5 cu.ft
V(total) =
3.079 cu.ft
Fb
=
38 Hz
QL
=
5.256
F3 = 31
Hz
Fill = none
— Vents —
No. of Vents
= 1
Vent shape
= rectangle
Vent ends
= one flush
Hv
= 5 in. (127 mm)
Wv
= 5 in. (127 mm)
Lv
= 14.54 in. (369 mm)