V E N T E D
0 . 7 5
v s .
2 . 0
.
.
.
.
2 0
Total
Freq.
Vented Sealed Port
box
t u n e f r o n t
tube
tube
band
volume
b o x
box
length length effc’y
for 3’
for 4”
I. D.
I. D.
(cubic
( c u b i c
(Hz) feet) feet)
(Inches) (Inches)
0.76
1.00
56
160
95
0.50
0.50
2.00
4.50
91
1.25
52
140
65
0.65
0.60
4.25
92
1.50
50
130
76
0.75
0.75
1.90
4.50
92
42
120
70
0.75
3.00
6.25
3.50
24
105
0.75
2.75
15.1
64
503
[The data above is offered as a “starting point” for comparison purposes because these designs are only a few of many
possible box configurations. Be sure to account for the air volume displacement of the woofers and the port tubes.
= NOT A RECOMMENDED APPLICATION
Summary of Contents for PC105
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