AudioBahn Natural Sound Subwoofer AW1571T - Manual (Page 9)

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 iust air space, as total volume includes all displacement.
Model# AW831T AW1051T AW1251T AW1571T
Ported
Air Space (Cu. Ft.) 0.7 0.65 1.3 1.7
Port Size (Inches) 2x6.1 2x6.5 3 x 6.75 3x7
Port Vel. (%) 12.77 33.45 27.15 28.15
-3dB (Hz) 36 40 44 40
TuneFrea. (Hz) 40 40 40 35
Sub Disp. (Cu. Ft.) 0.08 0.1 0.15 0.21
Port Disp.(Cu. Ft.) 0.009 0.01 0.024 0.025
Total Vol. (Cu. Ft.) 0.75 0.75 1.5 2
Evervdav Bass Performer
Ported
Air Space (Cu. Ft.) 1.15 1.4 2.3 2.65
Port Size (Inches) 3x9 3 x 6.75 4x9 4x7.5
Port Vel. (%) 6.26 16.75 14.18 16.74
-3dB (Hz) 33 31 35 35
TuneFrea. (Hz) 38 39 35 35
Sub Disp. (Cu. Ft.) 0.08 0.1 0.15 0.21
Port Disp.(Cu. Ft.) 0.033 0.024 0.06 0.048
Total Vol. (Cu. Ft.) 1.25 1.5 2.5 3
U Itimate SPL Bass Box
(not designed for competition use)
Ported
Air Space (Cu. Ft.) 1.9 2.4 3.15 3.55
Port Size (Inches) 3 x 5.75 4x6.8 (2)4x12 (2)4x11.25
Port Vel. (%) 5.81 9.96 7.56 8.69
-3dB (Hz) 30 30 30 31.5
TuneFrea. (Hz) 35 39 36 35
Sub Disp. (Cu. Ft.) 0.08 0.1 0.15 0.21
Port Disp.(Cu. Ft.) 0.02 0.04 0.166 0.152
Total Vol. (Cu. Ft.) 2 2.5 3.5 4
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.__________________
EBP 96 44 42 51
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 # AW831T AW1051T AW1251T AW1571T
Sealed
Minimum (Cu. Ft.) 0.25 0.75 1 1.25
Maximum (Cu. Ft.) 1 2 2 3.5
SPL (dB) 84.5 83.8 88 89.2
All sealed boxes already include the displacment for the subwoofer. NR = (Not Recommended)
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