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© 2008 Directed Electronics. All rights reserved.
HCCA152 & 154 Sealed Enclosures.
Note: These Enclosures are designed for sound quality and offer very low tuning
frequencies. If you are building a system where the goal is to listen to music, these
are the enclosures to build. They offer the best low frequency performance of all the
designs.
c
b
—Box Parts—
Box Shape – Square Prism
1 Top, 1 Bottom
depth (c) = 22 in. (559 mm)
width (b) = 20 in. (508 mm)
thickness = 1 in. (25.4 mm)
1 Front, 1 Back
height (a) = 17.5 in. (445 mm)
width (d) = 18 in. (457 mm)
thickness = 1 in. (25.4 mm)
2 Sides
height (a) = 17.5 in. (445 mm)
depth (c) = 22 in. (559 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 = 19.5 in. (495 mm)
B = 20 in. (508 mm)
C = 22 in. (559 mm)
— Internal Dimensions —
A = 17.5 in. (445 mm)
B = 18 in. (457 mm)
C = 20 in. (508 mm)
— Wall Thickness —
Front = 1 in. (25.4 mm)
Sides = 1 in. (25.4 mm)
Box Properties
— Description —
Type: Closed Box
Shape: Prism, Square
— Box Parameters —
Vb = 3.64 cu.ft
Qtc = 0.587
QL = 5
F3 = 45.39 Hz
Fill = none