nitwimp Posted September 24, 2011 Report Share Posted September 24, 2011 I have a jvc kdr 620 and when i turn on the hpf setting on the head unit the sub becomes very quiet and the bass is cranked all the day down to -6 and i cant make it go up on the head unit at all. I can adjust mids and treble but bass just stays 60hz and -6 im running alpine type x 12 with alpine mrp m1000 amp. type s speakers in the doors. The bass knob on the amp gives it more power and i have my lpf on the amp set at 80 and my gain on normal according to the amp. is it normal for the hpf to make the woofer super quiet? Link to comment Share on other sites More sharing options...
**Hollywood** Posted September 24, 2011 Report Share Posted September 24, 2011 Turn it off , Link to comment Share on other sites More sharing options...
lowpt Posted September 24, 2011 Report Share Posted September 24, 2011 HPF= high pass filter. This means it will allow higher frequencies through while blocking the lower ones. The lower frequencies are what is played through your subwoofer. Link to comment Share on other sites More sharing options...
nitwimp Posted September 24, 2011 Author Report Share Posted September 24, 2011 HPF= high pass filter. This means it will allow higher frequencies through while blocking the lower ones. The lower frequencies are what is played through your subwoofer. I understand that much and the sub is still receiving the low frequencies but it doesnt thump. the bass setting on the head unit is stuck at -6 i can try and turn it up but then when i go to check to see if it workd its right back at -6 Link to comment Share on other sites More sharing options...
lowpt Posted September 24, 2011 Report Share Posted September 24, 2011 If you turn the hpf off will it go above -6? Link to comment Share on other sites More sharing options...
Sanitarium Posted September 24, 2011 Report Share Posted September 24, 2011 :rofl: :rofl: :rofl: :rofl: :rofl: :rofl: Link to comment Share on other sites More sharing options...
nitwimp Posted September 24, 2011 Author Report Share Posted September 24, 2011 If you turn the hpf off will it go above -6? Totally. and bass is the only one that is not effected when i try to adjust it when hpf is on. and the l/o mode when set to subwoofer instead of rear is also gets softer. Link to comment Share on other sites More sharing options...
gally Posted September 24, 2011 Report Share Posted September 24, 2011 If you turn the hpf off will it go above -6? Totally. and bass is the only one that is not effected when i try to adjust it when hpf is on. and the l/o mode when set to subwoofer instead of rear is also gets softer. ???? ok..try this! if is on your amp the HPF -turn it to 0, and set your LPF at 80(like mine) then on your HEADunit set your HPF...and play it... it worked for me 2010 Chevrolet Cruze Radio --- pioneer mvh-200vbt Front/back --- alpine type s 6.5" Sub Control --- Pac LC1 Sub Amp --- GZPA 1.4K Sub --- GZNW 15XSPL D1 Battery - GZBP 12.2500X Link to comment Share on other sites More sharing options...
nitwimp Posted September 24, 2011 Author Report Share Posted September 24, 2011 If you turn the hpf off will it go above -6? Totally. and bass is the only one that is not effected when i try to adjust it when hpf is on. and the l/o mode when set to subwoofer instead of rear is also gets softer. ???? ok..try this! if is on your amp the HPF -turn it to 0, and set your LPF at 80(like mine) then on your HEADunit set your HPF...and play it... it worked for me amp doesnt have hpf on it. only gain bass boost thing and lpf. unlesss im totally retarded. and its on the other side or something. Link to comment Share on other sites More sharing options...
gally Posted September 24, 2011 Report Share Posted September 24, 2011 If you turn the hpf off will it go above -6? Totally. and bass is the only one that is not effected when i try to adjust it when hpf is on. and the l/o mode when set to subwoofer instead of rear is also gets softer. ???? ok..try this! if is on your amp the HPF -turn it to 0, and set your LPF at 80(like mine) then on your HEADunit set your HPF...and play it... it worked for me amp doesnt have hpf on it. only gain bass boost thing and lpf. unlesss im totally retarded. and its on the other side or something. have you checked the cables? 2010 Chevrolet Cruze Radio --- pioneer mvh-200vbt Front/back --- alpine type s 6.5" Sub Control --- Pac LC1 Sub Amp --- GZPA 1.4K Sub --- GZNW 15XSPL D1 Battery - GZBP 12.2500X Link to comment Share on other sites More sharing options...
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