Audiobahn Woofer Parameters AWC10T AWC12T Theile / Small Parameters Model # 7 50 44 Vas does not represent the volume of a Box. Vas is just a parameter used when calculating a box. Fs 32.6 Hz 31.4 Hz Qts 0.55 0.59 Qes 0..65 0.71 Qms 3.78 3.57 Vas (Liters) 35 Liters 69 Liters Vas (Cu. Ft.) 1.20 Cu.Ft. 2.45 Cu.Ft. Re 3.2 ohms 3.3 ohms Le 1.35 mH 1.5 mH Mmd 109 Grams 130 grams Xmax +/- 7mm +/- 8mm RMS 400 watts 500 Watts Sd 0.034 M2 0.051 M2 Freq. Resp. 25Hz-800Hz 25Hz-800Hz Efficiency 92.5 dB 92.9 dB An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box. EBP Dimensions 4 3/4" 9" 10 1/4" 0.10 Cu. Ft. 5 1/16" 10 7/8" 12 1/2" 0.15 Cu.Ft. Depth Hole Diamater Displacement 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 # AWC10T AWC12T Space Saver Bass Design 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.) 0.65 2 x 6.6 18.52 40 40 0.1 0.01 0.75 1.3 3 x 7.75 14.96 38 38 0.15 0.029 1.5 Everyday Bass Performer 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.) 1.4 3 x 7.25 9.06 32 38 0.1 0.026 1.5 2.3 4 x 8.4 8.45 32 36 0.15 0.055 2.5 Ultimate SPL Bass Box (not designed for competition use) 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.) 2.35 4 x 7.5 5.26 30 37 0.1 0.048 2.5 3.3 (2) 3 x 5.75 7.57 30 36 0.15 0.04 3.5 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 50 44 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 # AWC10T 0.5 2 84.6 AWC12T 0.75 2 86.7 Sealed Minimum (Cu. Ft.) Maximum (Cu. Ft.) SPL (dB) All sealed boxes already include the displacment for the subwoofer. NR = (Not Recommended) 8 ...