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<blockquote data-quote="wulff" data-source="post: 1003041" data-attributes="member: 561860">I have 2 Crossfire 12&quot; CF212 dual coil subs and a California Profile AP1200 2-channel amp and need some expert opinions.First, what I want:I listen to Rock like Van Halen, Scorpions, Aerosmith, etc. as well as mild stuff like Greenday, etc. but no rap.I like the bass loud with good SQ but not so it no longer sounds like it is not a recording of real instruments.. you know, I want it to sound kinda like a live concert with loud bass but not exaggerated.Crossfires recommendation for these subs:Model: CF212DEnclosure (cu. ft.)&nbsp; &nbsp; Reference&nbsp; &nbsp; Box &quot;Q&quot;&nbsp; &nbsp; Tune to&nbsp; &nbsp; Port1.26 sealed&nbsp; &nbsp; Small&nbsp; &nbsp; 1.1&nbsp; &nbsp; -&nbsp; &nbsp; -1.7 sealed&nbsp; &nbsp; Optimum&nbsp; &nbsp; .99&nbsp; &nbsp; -&nbsp; &nbsp; -2.52 sealed&nbsp; &nbsp; Maximum&nbsp; &nbsp; .85&nbsp; &nbsp; -&nbsp; &nbsp; -2.0 ported&nbsp; &nbsp; Rap &amp;amp; Rock&nbsp; &nbsp; -&nbsp; &nbsp; 28.4 Hz&nbsp; &nbsp; 4 x 17.92.4 ported&nbsp; &nbsp; All around&nbsp; &nbsp;&nbsp; -&nbsp; &nbsp; 26.7 Hz&nbsp; &nbsp; 4 x 16.752.8 ported&nbsp; &nbsp; Low extension&nbsp; &nbsp; -&nbsp; &nbsp; 25 Hz&nbsp; &nbsp; 4 x 16.25Bandpass1.3 Vr, 1.49 Vf&nbsp; &nbsp; All around&nbsp; &nbsp; 1.11&nbsp; &nbsp; 63 Hz&nbsp; &nbsp; (2)4 x 7.25.95 Vr, 1.85 Vf&nbsp; &nbsp; High output&nbsp; &nbsp; 1.27&nbsp; &nbsp; 64.3 Hz&nbsp; &nbsp; (2)4 x 4.61.61 Vr, 1.54 Vf&nbsp; &nbsp; Audiophile&nbsp; &nbsp; 1.03&nbsp; &nbsp; 62.1 Hz&nbsp; &nbsp; (2)4 x 7.2A CF212(D) has a displacement of .061 cubic feet so adjust accordingly, also all Crossfire CF2 speaker enclosures recommendations have been designed with the use of damping material----------------------------------------------It seems like all the &quot;pre-made&quot; sealed boxes are 1.25 or smaller and they are recommending around 2.0So based on this info and the kind of music I listen to and the SQ I like.. what enclosure would you recommend?Also, this chart tells me the vol of the different boxes but not the diminsions to build or buy one... is there a chart that you can punch in the vol numbers to get the dims? All the ones I find has you putting in the dim and it tells you what the v is, why not the other way around?Sorry for the long post. //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif</blockquote>

[QUOTE="wulff, post: 1003041, member: 561860"] I have 2 Crossfire 12" CF212 dual coil subs and a California Profile AP1200 2-channel amp and need some expert opinions. First, what I want: I listen to Rock like Van Halen, Scorpions, Aerosmith, etc. as well as mild stuff like Greenday, etc. but no rap. I like the bass loud with good SQ but not so it no longer sounds like it is not a recording of real instruments.. you know, I want it to sound kinda like a live concert with loud bass but not exaggerated. Crossfires recommendation for these subs: Model: CF212D Enclosure (cu. ft.) Reference Box "Q" Tune to Port 1.26 sealed Small 1.1 - - 1.7 sealed Optimum .99 - - 2.52 sealed Maximum .85 - - 2.0 ported Rap & Rock - 28.4 Hz 4 x 17.9 2.4 ported All around - 26.7 Hz 4 x 16.75 2.8 ported Low extension - 25 Hz 4 x 16.25 Bandpass 1.3 Vr, 1.49 Vf All around 1.11 63 Hz (2)4 x 7.25 .95 Vr, 1.85 Vf High output 1.27 64.3 Hz (2)4 x 4.6 1.61 Vr, 1.54 Vf Audiophile 1.03 62.1 Hz (2)4 x 7.2 A CF212(D) has a displacement of .061 cubic feet so adjust accordingly, also all Crossfire CF2 speaker enclosures recommendations have been designed with the use of damping material ---------------------------------------------- It seems like all the "pre-made" sealed boxes are 1.25 or smaller and they are recommending around 2.0 So based on this info and the kind of music I listen to and the SQ I like.. what enclosure would you recommend? Also, this chart tells me the vol of the different boxes but not the diminsions to build or buy one... is there a chart that you can punch in the vol numbers to get the dims? All the ones I find has you putting in the dim and it tells you what the v is, why not the other way around? Sorry for the long post. [IMG]//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif[/IMG] [/QUOTE]

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