Nasty1 Posted July 10, 2012 Report Posted July 10, 2012 Quick question, I got some static coming from my Sundown 50.4, With or W/O RCA's hooked up. Bad ground? Grounded straight to back batt. Got the samething with my SAX 100.4 2 DC Audio lvl 4 xl 18s D .7s walled off @ 30 hz 19 cubes net 245sq in of port Sundown 3500 @ .7 Ohm Sundown 100.4 Rockford Fosgat Power Series 5.25 Dash 6.5 Kicks 8 Coaxils Doors 250 mechicman alt 1 red top under the hood 2 yellow tops in back big 3 with 1/0 knukonceptz wire 3 runs of +/- 1/0 knukonceptz wire IT LBS
Ray Posted July 16, 2012 Author Report Posted July 16, 2012 Ohhh. Se or Lrx... Really tough call. Id go SE As for caps and inductors. Plenty of pieces avail on parts express. Use good components. Building a 2nd 3rd or 4th order xover? 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
C-Fizzy Posted July 16, 2012 Report Posted July 16, 2012 Se 4k's are some of THE CLEANEST sounding amps I have ever heard. Local guy here has one on 4 dub7's in a sealed enclosure. Really sounds crisp. And it's a class g/h amp. Sooper efficient. Just my .02 under construction I hate People with crappy primered cars rolling on hubcaps that are louder then me. u hate c-fizzy?
Audio-Concepts Posted July 17, 2012 Report Posted July 17, 2012 Ray... What is the best way to figure peak hz range when trying to configure an SPL burp box! I am going with a single 12 in a trunk car and want to get maximum loudness. The car is a 98 Mercury Sable. Thanks bro! Pioneer AVH480 Zapco ST5XII amplifier Stevens Audio 6.5" components (passive) Onyx Subwoofer Sky High OFC wiring
Ray Posted July 17, 2012 Author Report Posted July 17, 2012 A sealed box and run a sweep. 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
Audio-Concepts Posted July 17, 2012 Report Posted July 17, 2012 Does it make a difference on power? After running the sweep and finding peak, do I tune the enclosure specifically at the peak range or higher or lower! Thanks Pioneer AVH480 Zapco ST5XII amplifier Stevens Audio 6.5" components (passive) Onyx Subwoofer Sky High OFC wiring
Ray Posted July 17, 2012 Author Report Posted July 17, 2012 Yes power matters Alot of things matter but thats a good starting point 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
Audio-Concepts Posted July 17, 2012 Report Posted July 17, 2012 Ok, cause I was gonna run a sweep with about 1000rms! Then whatever the peak point is, is that what I should tune the enclosure to? Pioneer AVH480 Zapco ST5XII amplifier Stevens Audio 6.5" components (passive) Onyx Subwoofer Sky High OFC wiring
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