Orion Car Audio HCCA COMPETITION HCCA154 - Manual (Page 30)

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HCCA152 & 154 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) = 14.95 in. (378 mm)
width (b) = 35.9 in. (912 mm)
thickness = 1 in. (25.4 mm)
1 Front, 1 Back
height (a) = 20.95 in. (532 mm)
width (d) = 33.9 in. (861 mm)
thickness = 1 in. (25.4 mm)
2 Sides
height (a) = 20.95 in. (532 mm)
depth (c) = 14.95 in. (378 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 = 22.95 in. (583 mm)
B = 35.9 in. (912 mm)
C = 14.95 in. (378 mm)
— Internal Dimensions —
A = 20.95 in. (532 mm)
B = 33.9 in. (861 mm)
C = 12.95 in. (329 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) = 8.5 in. (216 mm)
length (h) = 14.07 in. (357 mm)
thickness = 0.75 in. (19 mm)
2 Sides
height (g) = 7 in. (178 mm)
length (h) = 14.07 in. (357 mm)
thickness = 0.75 in. (19 mm)
Box Properties
— Description —
Type: Vented Box
Shape: Prism, Square
— Box Parameters —
Vb
= 4.5 cu.ft
V(total) = 5.32 cu.ft
Fb = 38 Hz
QL = 5
F3 = 27.7 Hz
Fill = none
— Vents —
No. of Vents
= 1
Vent shape = rectangle
Vent ends = one flush
Hv = 7 in. (178 mm)
Wv = 7 in. (178 mm)
Lv = 14.07 in. (357 mm)