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<blockquote data-quote="Torgus" data-source="post: 5644205" data-attributes="member: 571636">What box design should i use for these 12s?I have 2 12&#039;&#039; RFR 1812 that are used.<a href="http://www.fortunecity.com/skyscrape...f/rfr1812.html" target="_blank">http://www.fortunecity.com/skyscrape...f/rfr1812.html</a>Model RFR-1812Description 12&quot; Punch Power WooferNominal Impedance 8 ohmsRe(DC Resistance) 7.08 ohmsPower Handling(RMS/Peak) 600/1200 WSensitivity 88.0 dBFs 27 HzQMS 3.24QES 0.51QTS 0.44Sd(Cone Area) 83.71 in2Vas 3.5 ft3Xmax 0.4 inVoice Coil Diameter 4 inMounting Depth 5-19/32 in(14.21 cm)This is going to be a HT box.I was thinking 7 cubes tuned to around 15hz? does that sound about right? or should it be around 20-25? also how large should the port be? any advantage to 1&#039;&#039; MDF? less box flexing? Should i make supports in the box as i&#039;v seen other do to stop flexing?Also i would need an amp to push them. does anyone have any suggestions? it looks like i need around 1200rms @ 4...I&#039;m hoping these will be extremely loud...thoughts?oh and to finish the box i figured some textured dark grey spray paint and some rubber feet. i&#039;d like to make the box into the coffee table but if i mount glass above it will it shake like crazy?</blockquote>

[QUOTE="Torgus, post: 5644205, member: 571636"] What box design should i use for these 12s? I have 2 12'' RFR 1812 that are used. [URL="http://www.fortunecity.com/skyscrape...f/rfr1812.html"]http://www.fortunecity.com/skyscrape...f/rfr1812.html[/URL] Model RFR-1812 Description 12" Punch Power Woofer Nominal Impedance 8 ohms Re (DC Resistance) 7.08 ohms Power Handling (RMS/Peak) 600/1200 W Sensitivity 88.0 dB Fs 27 Hz QMS 3.24 QES 0.51 QTS 0.44 Sd (Cone Area) 83.71 in2 Vas 3.5 ft3 Xmax 0.4 in Voice Coil Diameter 4 in Mounting Depth 5-19/32 in (14.21 cm) This is going to be a HT box. I was thinking 7 cubes tuned to around 15hz? does that sound about right? or should it be around 20-25? also how large should the port be? any advantage to 1'' MDF? less box flexing? Should i make supports in the box as i'v seen other do to stop flexing? Also i would need an amp to push them. does anyone have any suggestions? it looks like i need around 1200rms @ 4... I'm hoping these will be extremely loud...thoughts? oh and to finish the box i figured some textured dark grey spray paint and some rubber feet. i'd like to make the box into the coffee table but if i mount glass above it will it shake like crazy? [/QUOTE]

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