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<blockquote data-quote="gumby688" data-source="post: 8052066" data-attributes="member: 642867"><p>Ok getting ready to build my enclosure for 6 12 inch punch hx2's my net internal volume is 14.2cu ft after bracing, ports, (if I use the 5 4inch ports at 11 inches) and driver displacement. I have a couple questions. Want to tune somewhere between 32hz and 35hz. Building for SPL but dont want a 55 hz burp box want something I can live with for everyday. Going with subs up and port firing to rear of my 2000 2 door explorer sport.Will be running them on a popcorn sounds 4k am at .67ohm figure I will be doing good to get 2600-2800 from the amp. Using 3/4 birch plywood box dimensions outside 48 inches wide 21.5 inches tall and 30 inches deep.</p><p></p><p>1. Should I go with 5 4inch areoports or a slot port?</p><p></p><p>2 If slot port I need the size and best location in back of enclosure. top, bottom, center verti, center horz, left side or right side.</p><p></p><p>Here are the specs I have for the subs with RF recomendations for box and ports.</p><p></p><p>Punch HX2 DVC RFD2112</p><p></p><p>Nominal Impedance (ohms) 2 (2)</p><p></p><p>Voice Coil Diameter-inch 3.0</p><p></p><p>FS (Hz) 25</p><p></p><p>QTS 0.407</p><p></p><p>VAS-cu.ft. 2.86</p><p></p><p>Xmax-inch .55</p><p></p><p>SPL (dB @ 1w/1m) 86.7</p><p></p><p>Power Handling (RMS) 500</p><p></p><p>Power Handling (Max) 1000</p><p></p><p>Mounting Dia.-inch 10-13/16</p><p></p><p>Mounting Depth-inch 5-13/16</p><p></p><p>Speaker Dis.-cu. ft. 0.069</p><p></p><p>Sealed Box Vol.-cu. ft. 1.25</p><p></p><p>Vented Box Vol.-cu. ft. 2.0</p><p></p><p>Port Diameter &amp; Length 4 inch dia x 10.75 inches</p></blockquote><p></p>
[QUOTE="gumby688, post: 8052066, member: 642867"] Ok getting ready to build my enclosure for 6 12 inch punch hx2's my net internal volume is 14.2cu ft after bracing, ports, (if I use the 5 4inch ports at 11 inches) and driver displacement. I have a couple questions. Want to tune somewhere between 32hz and 35hz. Building for SPL but dont want a 55 hz burp box want something I can live with for everyday. Going with subs up and port firing to rear of my 2000 2 door explorer sport.Will be running them on a popcorn sounds 4k am at .67ohm figure I will be doing good to get 2600-2800 from the amp. Using 3/4 birch plywood box dimensions outside 48 inches wide 21.5 inches tall and 30 inches deep. 1. Should I go with 5 4inch areoports or a slot port? 2 If slot port I need the size and best location in back of enclosure. top, bottom, center verti, center horz, left side or right side. Here are the specs I have for the subs with RF recomendations for box and ports. Punch HX2 DVC RFD2112 Nominal Impedance (ohms) 2 (2) Voice Coil Diameter-inch 3.0 FS (Hz) 25 QTS 0.407 VAS-cu.ft. 2.86 Xmax-inch .55 SPL (dB @ 1w/1m) 86.7 Power Handling (RMS) 500 Power Handling (Max) 1000 Mounting Dia.-inch 10-13/16 Mounting Depth-inch 5-13/16 Speaker Dis.-cu. ft. 0.069 Sealed Box Vol.-cu. ft. 1.25 Vented Box Vol.-cu. ft. 2.0 Port Diameter & Length 4 inch dia x 10.75 inches [/QUOTE]
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