AudioBahn ALUM 8P Operating instructions

AudioBahn
Brand
AudioBahn
Model
ALUM 8P
Type
Operating instructions

This manual is also suitable for

ALUM 8P ALUM 10Q
ALUM 12Q ALUM 15Q
Model # ALUM8P ALUM10Q ALUM12Q ALUM15Q
Fs 28.3 26.4 Hz 24.4 Hz 24.4 Hz
Qts 0.43 0.47 0.47 0.56
Qes 0.46 0.51 0.52 0.63
Qms 4.7 4.9 4.8 5.64
Vas (Liters) 26 Liters 35 Liters 76 Liters 130 Liters
Vas(Cu.Ft.) 0.91 1.24Cu.Ft. 2.66 Cu.Ft. 4.5 Cu.Ft.
Re 5.8 6.0 ohms 5.4 ohms 5.5 ohms
Le 2.3mH 2.50mH 2.7mH 3.15mH
Mmd 113 Grams 158 Grams 186 Grams 290 Grams
Xmax +/- 8 mm +/- 13 mm +/-14 mm +/-16 mm
RMS 350 watts 800 watts 1000 Watts 1100 watts
Sd 0.025 M2 0.033 M2 0.049 M2 0.085 M2
Freq. Resp. 30Hz-1kHz 20Hz-500Hz 18Hz-500Hz 18Hz-500Hz
Efficiency 91.3 dB 95.6 dB 96.4 dB 96.4 dB
EBP
61 56 47 39
Depth 4 3/8" 5" 5 5/8" 7 1/4"
Hole 7 1/4" 9 1/4" 11 1/8" 14"
Diamater 81/2" 107/8" 123/4" 151/2"
Displacement 0.10 Cu. Ft. 0.15 Cu. Ft. 0.18 Cu.Ft. 0.23 Cu.Ft.
Audiobahn Woofer Parameters
Dimensions
Vas does not represent the volume of a Box. Vas is just a parameter used when calculating a box.
An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box.
7
Ported
Air Space (Cu. Ft.) 0.65 0.6 1.3 1.6
Port Size (Inches) 2 x 6.25 2 x 6.75 3 x 7.25 4 x 10
Port Vel. (%) 16.54 38.34 27.49 28.02
-3dB (Hz) 35 35 35 37
Tune Freq. (Hz) 40 40 39 40
Sub Disp. (Cu. Ft.) 0.1 0.15 0.18 0.25
Port Disp.(Cu. Ft.) 0.09 0.011 0.026 0.06
TotalVol.(Cu.Ft.) 0.75 0.75 1.5 2
Ported
-3dB (Hz) 32 31.5 31 32
Tune Freq. (Hz) 38 38 37 37
Sub Disp. (Cu. Ft.) 0.1 0.15 0.18 0.25
Port Disp.(Cu. Ft.) 0.033 0.027 0.051 0.053
TotalVol.(Cu.Ft.) 1.25 1.5 2.5 3
Ported
Air Space (Cu. Ft.) 1.9 2.35 3.25 3.5
Port Size (Inches) 4 x 10.75 4 x 7.25 (2) 4 x 11.25 (2) 4 x 10.5
Port Vel. (%) 4.58 11.14 8.06 13.11
Tune Freq. (Hz) 36 38 37 36
Sub Disp. (Cu. Ft.) 0.1 0.15 0.18 0.25
Port Disp.(Cu. Ft.) 0.073 0.045 0.152 0.14
TotalVol.(Cu.Ft.) 2 2.5 3.5 4
EBP 61
56 47 39
Model #
ALUM8P ALUM10Q ALUM12Q ALUM15Q
Sealed
Minimum (Cu. Ft.) 0.25 0.5 0.5 1.5
Maximum (Cu. Ft.) 0.5 1.25 2 3
SPL (dB) 81.4 82.5 85.2 86.8
All sealed boxes already include the displacement for the subwoofer. NR = (Not Recommended)
Audiobahn Box Specifications
Remember to build your box to the total volume, not just air space, as total volume includes all displacement.
An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box.
The larger a sealed box is, the lower the sub w ill 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.
All ports listed are circle ports unless otherwise stated. Surface area of a circle port = (3.14) X (radius) (squared)
Ultimate SPL Bass Box
(Not Designed for Competition)
Everyday Bass Performer
Space Saver Bass Design
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.
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ALUM8P Curves
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AudioBahn ALUM 8P Operating instructions

AudioBahn
Brand
AudioBahn
Model
ALUM 8P
Type
Operating instructions
This manual is also suitable for
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