Orion Car Audio HCCA COMPETITION HCCA154 - Manual (Page 24)

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HCCA102 & 104 Vented SPL Enclosure Only.
Note: These SPL enclosures are for dB drag vehicles only!!!!! If music is played through
this type of enclosure, the woofer will be damaged! Listed here are starting points,
experimentation is the key to success. Use extreme caution, the woofers can be
damaged with frequencies below the tuning frequency.
c
b
—Box Parts—
Box Shape – Square Prism
1 Top, 1 Bottom
depth (c) = 17.41 in. (442 mm)
width (b) = 15 in. (381 mm)
thickness = 1 in. (25.4 mm)
1 Front, 1 Back
height (a) = 13 in. (330 mm)
width (d) = 13 in. (330 mm)
thickness = 1 in. (25.4 mm)
2 Sides
height (a) = 13 in. (330 mm)
depth (c) = 17.41 in. (442 mm)
thickness = 1 in. (25.4 mm)
— Driver Mounting —
Mounting: Front
Top &
Bottom
a
d
Front
& Back
c
Sides
A
B
— External Dimensions —
A = 15 in. (381 mm)
B = 15 in. (381 mm)
C = 17.41 in. (442 mm)
— Internal Dimensions —
A = 13 in. (330 mm)
B = 13 in. (330 mm)
C = 15.41 in. (391 mm)
— Wall Thickness —
Front = 1 in. (25.4 mm)
Sides = 1 in. (25.4 mm)
Box Properties
— Description —
Type: Vented Box
Shape: Prism, Square
— Box Parameters —
Vb
= 1.25 cu.ft
V(total) = 1.507 cu.ft
Fb = 57 Hz
QL = 7
F3 = 44.65 Hz
Fill = none
— Vents —
No. of Vents
= 1
Vent shape = rectangle
Vent ends = one flush
Hv = 4.5 in. (114 mm)
Wv = 4.5 in. (114 mm)
Lv = 9.45 in. (240 mm)
h
e
h
g
— Vent Parts —
1 Top, 1 Bottom
width (e) = 6 in. (152 mm)
length (h) = 9.45 in. (240 mm)
thickness = 0.75 in. (19 mm)
2 Sides
height (g) = 4.5 in. (114 mm)
length (h) = 9.45 in. (240 mm)
thickness = 0.75 in. (19 mm)
C