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Box Parameters
Audiobahn Box Specifications
All ports listed are circle ports unless otherwise stated. Surface area of a circle port = (3.14) X (radius) (squared)
Remember to build your box to the total volume, not just air space, as total volume includes all displacement.
Model #
AW100T
Ported
Air Space (Cu. Ft.)
Port Size (Inches)
2 x 6.5
Port Vel.
(%)
-3dB
(Hz)
Tune Freq. (Hz)
Sub Disp. (Cu. Ft.)
Port Disp.(Cu. Ft.)
Total Vol. (Cu. Ft.)
Ported
Air Space (Cu. Ft.)
Port Size (Inches)
3 x 7.75
Port Vel.
(%)
-3dB
(Hz)
Tune Freq. (Hz)
Sub Disp. (Cu. Ft.)
Port Disp.(Cu. Ft.)
Total Vol. (Cu. Ft.)
Ported
Air Space (Cu. Ft.)
Port Size (Inches)
4 x 8.75
Port Vel.
(%)
-3dB
(Hz)
Tune Freq. (Hz)
Sub Disp. (Cu. Ft.)
Port Disp.(Cu. Ft.)
Total Vol. (Cu. Ft.)
A port velocity of 20% or under is good for everday use and 5% or under for SPL competition . Port velocity
translates to port noise, so the lower the number, the less port noise you will incur.
An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box.
EBP
The larger a sealed box is, the lower the sub will play, but the less power it will handle. The smaller a sealed box is,
the higher the frequency the sub will play, and the more power it will handle.
Model #
AW100T
Sealed
Minimum (Cu. Ft.)
Maximum (Cu. Ft.)
SPL
(dB)
All sealed boxes already include the displacment for the subwoofer.
AW120T
Space Saver Bass Design
0.65
1.3
3 x 7.75
25.95
18.59
36.5
35
40
38
0.1
0.15
0.01
0.028
0.75
1.5
Everyday Bass Performer
1.4
2.25
(2) 3 x 9
12.37
9.64
32
32
37
37
0.1
0.15
0.028
0.067
1.5
2.5
Ultimate SPL Bass Box
2.35
3.3
(2) 3 x 6.25
6.98
9.14
30
30
35
35
0.1
0.15
0.057
0.045
2.5
3.5
80
77
AW120T
NR
NR
0.25
0.25
0.75
1
84.1
87.5
8
AW150T
1.65
3 x 7
26.76
38.5
35
0.21
0.025
2
2.65
4 x 7.5
15.92
32.5
35
0.21
0.048
3
(not designed for competition use)
3.55
(2) 4 x 10.5
8.49
30.5
36
0.21
0.141
4
52
AW150T
NR
1
3
88.5
NR = (Not Recommended)
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