sim0nkpc Posted September 25, 2014 Report Share Posted September 25, 2014 Hi there, I'm having difficulty of understanding whether I should set my 4 channel amp (powering 2 sets of 4" component speakers Morel and Helix (High ,mid no woofer with crossover) to High Pass or Full range and crossover frequency. As I'm not a car audio expert, I don't seem to hear any difference when I set to full range or high pass. In addition, Which would be more approriate setting and frequency on the amp, p.s I have a separate mono amp running a 12 inch sub. I think i may have mid bass problem don't I? Would mid bass be same as the bass coming from the subs (low pass frequency set to 100hz on mono) your input is very much appreicated! simon Link to comment Share on other sites More sharing options...
SIDE SHOW Posted September 25, 2014 Report Share Posted September 25, 2014 lpf for subs at 80 hpf for speakers at 100 or 120 (being they are 4inch speakers) Link to comment Share on other sites More sharing options...
poorfish88 Posted September 25, 2014 Report Share Posted September 25, 2014 The reason you can't hear a difference when you turn the amps crossover on and off, is because the componentts already have a passive crossover. So it's 2 crossovers cutting the same feq. Link to comment Share on other sites More sharing options...
sim0nkpc Posted September 30, 2014 Author Report Share Posted September 30, 2014 does that mean I set the 4 channel amp to high range instead of full range for all channels? Link to comment Share on other sites More sharing options...
SIDE SHOW Posted September 30, 2014 Report Share Posted September 30, 2014 do a search on how to set hpf and lpf either on your amp or headunit or even both Link to comment Share on other sites More sharing options...
islandpride684 Posted September 30, 2014 Report Share Posted September 30, 2014 High pass lets all frequencies above the set frequency pass thru while full range lets all frequencies pass thru.... Build Log http://www.stevemeadedesigns.com/board/topic/186921-blk9te-07-yukon-slo-mo-build/page-3?hl=%2Bblk9te#entry2881410 Link to comment Share on other sites More sharing options...
_paralyzed_ Posted September 30, 2014 Report Share Posted September 30, 2014 The reason you can't hear a difference when you turn the amps crossover on and off, is because the componentts already have a passive crossover. So it's 2 crossovers cutting the same feq. Passive crossovers split the frequency between the tweet and mid at like 3500hz. You still need a high pass filter. It is not two crossovers cutting the same frequency. He likely doesn't hear a difference because the driver is physically incapable of reproducing the frequencies below the crossover point at any appreciable volume. Link to comment Share on other sites More sharing options...
poorfish88 Posted October 1, 2014 Report Share Posted October 1, 2014 derp Link to comment Share on other sites More sharing options...
sim0nkpc Posted October 1, 2014 Author Report Share Posted October 1, 2014 Thanks. Should I be looking at a mid bass or mid range (bigger from 4" up) to get a more evenly blended setting. I notice mid bass is pretty much set (frequency) as the woofer. I Btw I'm running a 12" sundown zv3 @ 1 ohm 2cu ft @ 33hz. Link to comment Share on other sites More sharing options...
SIDE SHOW Posted October 2, 2014 Report Share Posted October 2, 2014 mid bass and bass are not the same thing Link to comment Share on other sites More sharing options...
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