BMS Posted December 8, 2018 Report Share Posted December 8, 2018 So long story short i need new subs. looking for subs 12'' FS below 30hz power handling at last 1500 wrms less than 700$ each so far ive found https://ficaraudio.com/product/sp4plus-series-sp412/ http://www.emfcaraudio.com/emf-audio-banhammer-12/ Link to comment Share on other sites More sharing options...
CstrokerV Posted December 8, 2018 Report Share Posted December 8, 2018 the regular sp4 the Q's neo and ferrite the 3 hz i doubt will make a difference and the are awesome sounding subs .. not sure why you want fs under 30 when it usually dont matter when you put it in the box my build http://www.stevemeadedesigns.com/board/topic/142505-small-build-log-4-dc-lvl3-10s-tl-update-link-to-rebuild/ http://www.stevemeadedesigns.com/board/topic/154258-rebuild-6-lvl3-12s-update-small-video-nothing-spectacular/ new build http://www.stevemeadedesigns.com/board/topic/188181-03-trailblazer-slow-build-8-dc-lvl3-12-m1-motor-m2-parts/ Link to comment Share on other sites More sharing options...
BMS Posted December 8, 2018 Author Report Share Posted December 8, 2018 I'm tuned low and i want the resonant frequency low as well its a daily set up. the sundown x has an fs of 36hz too high. Link to comment Share on other sites More sharing options...
slowfkncar Posted December 8, 2018 Report Share Posted December 8, 2018 Might want to take the other parameters into consideration, generally as FS drops so does driver Q and we all know how that affects LFE in a vehicle. https://www.google.com/url?sa=t&source=web&rct=j&url=http://www.mh-audio.nl/downloads/read-measuring-tsp.pdf&ved=2ahUKEwj3jt-qkpHfAhUFHXwKHXGgB6Q4ChAWMAZ6BAgDEAE&usg=AOvVaw0pB7Lmv5ZS4CaDl4H-3dHz Link to comment Share on other sites More sharing options...
slowfkncar Posted December 8, 2018 Report Share Posted December 8, 2018 https://knowledge.sonicelectronix.com/car-audio-and-video/car-subwoofers/t-s-thiele-small-parameters/ Link to comment Share on other sites More sharing options...
CstrokerV Posted December 8, 2018 Report Share Posted December 8, 2018 3 hours ago, BMS said: I'm tuned low and i want the resonant frequency low as well its a daily set up. the sundown x has an fs of 36hz too high. So what if you are tuned low after you put it in a box a lot changes and you want to figure out the fb of the sub/box... the subs fs is at free air not in a box there’s a few articles or responses on here explaining stuff about this stuff my build http://www.stevemeadedesigns.com/board/topic/142505-small-build-log-4-dc-lvl3-10s-tl-update-link-to-rebuild/ http://www.stevemeadedesigns.com/board/topic/154258-rebuild-6-lvl3-12s-update-small-video-nothing-spectacular/ new build http://www.stevemeadedesigns.com/board/topic/188181-03-trailblazer-slow-build-8-dc-lvl3-12-m1-motor-m2-parts/ Link to comment Share on other sites More sharing options...
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