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Car Audio Discussion
General Car Audio
Is the American Bass HD sufficiently similar to the SoundQubed HDC3 - Box Design?
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<blockquote data-quote="XORstatus" data-source="post: 8436563" data-attributes="member: 635541"><p>I have an American Bass HD 15 dual 1 arriving shortly. Finding information about them is difficult to say the least. I have read, however, that the SoundQubed HDC3 is very similar.</p><p></p><p>I have also found many forum posts stating that SQ HDC3s like a lot of port area. I was wondering if the same holds up for the AB HD?</p><p></p><p>I made these box designs under that assumption. Maybe someone has some experience with them and could tell me how the think the HD will perform under these conditions. I haven't yet decided which frequency I will tune the box so I have included all three designs and numbers.</p><p></p><p><strong>Box Volume</strong>: 4.5 Ft3 (4.5 cubes)</p><p></p><p><strong>Port Recommendations</strong>: 15” – 16” inches of port per cubic foot of volume.</p><p></p><p>4.5 Ft3 x 15” = 67.5 ft2 (square inches)</p><p></p><p>I assumed that 66 ft2 is sufficient (16.5” x 4” = 66)</p><p></p><p><strong>Port Dimensions</strong>:</p><p></p><p><strong>34hz @ 4.5 Ft3</strong>: 16.5” x 4” x 26.5” (MobileInformationLabs.com: 25.5,” the12volt.com: 27.5”)</p><p></p><p><strong>33hz @ 4.5 Ft3</strong>: 16.5” x 4” x 28.5” (MIL.com: 27.5,” 12V.com: 29.5)</p><p></p><p><strong>32hz @ 4.5 Ft3</strong>: 16.5” x 4” x 31” (MIL.com: 30,” 12V.com: 32)</p><p></p><p><strong>Port Volume</strong>:</p><p></p><p><strong>34hz</strong>: 16.5” x 4” x 26.5” = 1.012 Ft3</p><p></p><p><strong>33hz</strong>: 16.5” x 4” x 28.5” = 1.09 Ft3</p><p></p><p><strong>32hz</strong>: 16.5” x 4” x 31” = 1.18 Ft3</p><p></p><p><strong>Port Material Displacement</strong>:</p><p></p><p><strong>34hz</strong>: 16.5” x .75” x 26.5” = 0.19 Ft3</p><p></p><p><strong>33hz</strong>: 16.5” x .75” x 28.5” = 0.20 Ft3</p><p></p><p><strong>32hz</strong>: 16.5” x .75” x 31” = 0.22 Ft3</p><p></p><p><strong>Bracing</strong>: 2 x 4 actual dimensions 1.6” x 2.6”</p><p></p><p><strong>Top-to-Bottom</strong>: 16.5” x 1.6” x 2.6” = 0.04 Ft3</p><p></p><p><strong>Side wall to Port</strong>: 26.75” x 1.6” x 2.6” = 0.06 Ft3</p><p></p><p><strong>Front-to-Back</strong>: 20.5” x 1.6” x 2.6” = 0.05 Ft3</p><p></p><p><strong>Total Bracing Volume</strong>: 0.04 Ft3 + 0.06 Ft3 + 0.05 Ft3 = 0.15 Ft3</p><p></p><p><strong>Dual Baffle Driver Displacement</strong>:</p><p></p><p>Effective Diameter: 13.9” x π: 3.16” x Dual Std. Disp. 0.23 Ft3: 1.5” = 0.04 Ft3</p><p></p><p>Std. Disp. 0.23 Ft3 - 0.04 Ft3 = 0.19 Ft3</p><p></p><p><strong>Total Required Volume</strong>:</p><p></p><p><strong>34hz</strong>: Port Vol. 1.012 Ft3 + Port Material Vol. 0.19 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.04 Ft3</p><p></p><p><strong>33hz</strong>: Port Vol. 1.09 Ft3 + Port Material Vol. 0.20 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.13 Ft3</p><p></p><p><strong>32hz</strong>: Port Vol. 1.18 Ft3 + Port Material Vol. 0.22 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.24 Ft3</p><p></p><p><strong>Estimated Overall Box Dimensions</strong>:</p><p></p><p><strong>Height</strong>: 18"</p><p></p><p><strong>Depth</strong>: 22.5"</p><p></p><p><strong>Width</strong>: 33"</p><p></p><p>I am leaning towards 33hz. How do you guys think it will perform considering these conditions?</p></blockquote><p></p>
[QUOTE="XORstatus, post: 8436563, member: 635541"] I have an American Bass HD 15 dual 1 arriving shortly. Finding information about them is difficult to say the least. I have read, however, that the SoundQubed HDC3 is very similar. I have also found many forum posts stating that SQ HDC3s like a lot of port area. I was wondering if the same holds up for the AB HD? I made these box designs under that assumption. Maybe someone has some experience with them and could tell me how the think the HD will perform under these conditions. I haven't yet decided which frequency I will tune the box so I have included all three designs and numbers. [B]Box Volume[/B]: 4.5 Ft3 (4.5 cubes) [B]Port Recommendations[/B]: 15” – 16” inches of port per cubic foot of volume. 4.5 Ft3 x 15” = 67.5 ft2 (square inches) I assumed that 66 ft2 is sufficient (16.5” x 4” = 66) [B]Port Dimensions[/B]: [B]34hz @ 4.5 Ft3[/B]: 16.5” x 4” x 26.5” (MobileInformationLabs.com: 25.5,” the12volt.com: 27.5”) [B]33hz @ 4.5 Ft3[/B]: 16.5” x 4” x 28.5” (MIL.com: 27.5,” 12V.com: 29.5) [B]32hz @ 4.5 Ft3[/B]: 16.5” x 4” x 31” (MIL.com: 30,” 12V.com: 32) [B]Port Volume[/B]: [B]34hz[/B]: 16.5” x 4” x 26.5” = 1.012 Ft3 [B]33hz[/B]: 16.5” x 4” x 28.5” = 1.09 Ft3 [B]32hz[/B]: 16.5” x 4” x 31” = 1.18 Ft3 [B]Port Material Displacement[/B]: [B]34hz[/B]: 16.5” x .75” x 26.5” = 0.19 Ft3 [B]33hz[/B]: 16.5” x .75” x 28.5” = 0.20 Ft3 [B]32hz[/B]: 16.5” x .75” x 31” = 0.22 Ft3 [B]Bracing[/B]: 2 x 4 actual dimensions 1.6” x 2.6” [B]Top-to-Bottom[/B]: 16.5” x 1.6” x 2.6” = 0.04 Ft3 [B]Side wall to Port[/B]: 26.75” x 1.6” x 2.6” = 0.06 Ft3 [B]Front-to-Back[/B]: 20.5” x 1.6” x 2.6” = 0.05 Ft3 [B]Total Bracing Volume[/B]: 0.04 Ft3 + 0.06 Ft3 + 0.05 Ft3 = 0.15 Ft3 [B]Dual Baffle Driver Displacement[/B]: Effective Diameter: 13.9” x π: 3.16” x Dual Std. Disp. 0.23 Ft3: 1.5” = 0.04 Ft3 Std. Disp. 0.23 Ft3 - 0.04 Ft3 = 0.19 Ft3 [B]Total Required Volume[/B]: [B]34hz[/B]: Port Vol. 1.012 Ft3 + Port Material Vol. 0.19 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.04 Ft3 [B]33hz[/B]: Port Vol. 1.09 Ft3 + Port Material Vol. 0.20 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.13 Ft3 [B]32hz[/B]: Port Vol. 1.18 Ft3 + Port Material Vol. 0.22 Ft3 + Bracing Disp. 0.15 Ft3 + Driver Disp. 0.19 Ft3 + Desired Volume: 4.5 Ft3 = 6.24 Ft3 [B]Estimated Overall Box Dimensions[/B]: [B]Height[/B]: 18" [B]Depth[/B]: 22.5" [B]Width[/B]: 33" I am leaning towards 33hz. How do you guys think it will perform considering these conditions? [/QUOTE]
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Is the American Bass HD sufficiently similar to the SoundQubed HDC3 - Box Design?
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