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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 #
AW101T
Ported
Air Space (Cu. Ft.)
Port Size (Inches)
2 x 6.75
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)
3 x 8.0
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)
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 #
Sealed
Minimum (Cu. Ft.)
Maximum (Cu. Ft.)
SPL
(dB)
59All sealed boxes already include the displacment for the subwoofer.
AW121T
Space Saver Bass Design
0.635
1.3
3 x 7.75
31.87
21.19
36.8
35
40
38
0.1
0.15
0.011
0.028
0.75
1.5
Everyday Bass Performer
1.35
2.25
4 x 8.5
15.18
11.96
30.5
30
37
37
0.1
0.15
0.029
0.055
1.5
2.5
Ultimate SPL Bass Box
2.35
3.2
4 x 8
4 x 10.5
8.79
6.54
29.5
29
36
38
0.1
0.15
0.053
0.141
2.5
3.5
59
48
0.5
0.75
1.25
2
84.5
87.8
8
AW151T
1.65
4 x 10
21.12
38
40
0.23
0.066
2
2.65
(2) 3 x 8
17.07
31
36
0.23
0.058
3
(not designed for competition use)
3.7
(2) 4 x 9.5
10.15
29
37
0.23
0.128
4
97
1.25
3.25
88.8
NR = (Not Recommended)
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