User manual AUDIOBAHN AW1208T

[. . . ] Audiobahn Woofer Parameters AW1008T AW1208T AW1508T Theile / Small Parameters Model # 7 72 80 79 Vas does not represent the volume of a Box. [. . . ] 8 1/4" 14" 15 1/2" 0. 47 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 # AW1008T AW1208T AW1508T Space Saver Bass Design Ported Air Space (Cu. Ft. ) 0. 625 2 x 6. 75 56. 94 34 40 0. 22 0. 01 0. 75 1. 3 3 x 6. 75 39. 98 35 40 0. 27 0. 024 1. 5 1. 6 4 x 10 34. 96 38. 5 40 0. 47 0. 067 2 Everyday Bass Performer Ported Air Space (Cu. Ft. ) 1. 35 3 x 7. 25 27. 8 31. 5 38 0. 22 0. 027 1. 5 2. 3 4 x 7. 25 22. 61 32. 5 38 0. 27 0. 047 2. 5 2. 65 (2) 3 x 8 29. 01 33. 5 37 0. 47 0. 053 3 Ultimate SPL Bass Box (not designed for competition use) Ported Air Space (Cu. Ft. ) 2. 35 4x8 15. 68 30 36 0. 22 0. 053 2. 5 3. 15 (2) 4 x 13 10. 82 30 35 0. 27 0. 181 3. 5 3. 55 (2) 4 x 11. 25 15. 91 30 35 0. 47 0. 153 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. [. . . ] Ft. ) SPL (dB) NR 0. 5 1 82. 2 NR 0. 5 1. 25 85. 5 NR 0. 75 1. 5 89. 4 All sealed boxes already include the displacment for the subwoofer. [. . . ]