User manual AUDIOBAHN AW1251T

[. . . ] Box Parameters Audiobahn Box Specifications All ports listed are circle ports unless otherwise stated. [. . . ] Ft. ) 1. 15 3x9 6. 26 33 38 0. 08 0. 033 1. 25 1. 4 3 x 6. 75 16. 75 31 39 0. 1 0. 024 1. 5 2. 3 4x9 14. 18 35 35 0. 15 0. 06 2. 5 2. 65 4 x 7. 5 16. 74 35 35 0. 21 0. 048 3 Ultimate SPL Bass Box (not designed for competition use) Ported Air Space (Cu. Ft. ) 1. 9 3 x 5. 75 5. 81 30 35 0. 08 0. 02 2 2. 4 4 x 6. 8 9. 96 30 39 0. 1 0. 04 2. 5 3. 15 (2) 4 x 12 7. 56 30 36 0. 15 0. 166 3. 5 3. 55 (2) 4 x 11. 25 8. 69 31. 5 35 0. 21 0. 152 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. An EBP of less then 45 is SUGGESTED for only a sealed box and greater then 65 for a ported box. EBP 96 44 42 51 The larger a sealed box is, the lower the sub will play, but the less power it will handle. [. . . ] Ft. ) SPL (dB) All sealed boxes already include the displacment for the subwoofer. [. . . ]