rocketboy1000rr Posted April 5, 2011 Report Posted April 5, 2011 Hey Guys, I need help on a box design for my buddys' CRX. We'll be running 2 DD9510's off of a M3, and I'm not sure where to tune this box for daily listening. DD recommendeds 35 Hz, but that's pretty low for a CRX and the DD's plot TERRIBLE on my TermPak so I just don't know where to go. I've not had experience with DD, so ANY help will be GREATLY appreciated!! Thanks!!!
Boon Posted April 6, 2011 Report Posted April 6, 2011 Hmm, for daily? 3 cubes with a 6" aeroport tuned to 40hz. Subs back port back. Probably still do mid-high 40's. 10.x volts fo' life!
Ray Posted April 6, 2011 Report Posted April 6, 2011 3.5 cuft with 60sq in tuned to 38hz subs back port back 2008 California state record holder 157.2 Bassrace2009 California state record holder 157.0 BassraceRollin 50's 158.7db2009 King of Cali Bassrace2009 USACi score 160.5 @ 42hz
rocketboy1000rr Posted April 6, 2011 Author Report Posted April 6, 2011 why so high? tune to 32hz THANKS guys, I really needed some input on this, I really appreciate it;)
speedball1978 Posted April 6, 2011 Report Posted April 6, 2011 subs up port back, 32 to 34 hz 3.0 cu ft after all displacement
Ray Posted April 6, 2011 Report Posted April 6, 2011 If u want to try to force it to play 30 go ahead and tune to 32. Ii have a crx. Just saying what I have found works best 2008 California state record holder 157.2 Bassrace2009 California state record holder 157.0 BassraceRollin 50's 158.7db2009 King of Cali Bassrace2009 USACi score 160.5 @ 42hz
n8ball2013 Posted April 6, 2011 Report Posted April 6, 2011 and the fact that DDs tend to play well with a higher tuning anyways. THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger.
fecupe2001 Posted April 6, 2011 Report Posted April 6, 2011 Great inputs, yes i used some DD´s 10" and they love a higher tuning, my 1510´s worked AWESOME with 1.5 c/f per sub and 25SQ of port , at least that´s whay worked better in the swift, i know 9510´s would like more port area!! By the way, why subs back/port back? i thought crx´s sounded great with subs up/port back for daily, i don´t own one tho so i wouldn´t know, just asking! I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/
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