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Orion Car Audio HCCA COMPETITION HCCA154 User Manual

Page 26

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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)