+ Reply to Thread
Page 1 of 3 1 2 3 LastLast
Results 1 to 15 of 39

Reload Thread: Subs aren't hitting like they should... Please Help

  1. #1
    heimsothe's Avatar
    heimsothe is offline Member



    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Icon32 Subs aren't hitting like they should... Please Help

    So Friday I installed my subs, my first setup, into my 06 Mazda 3 Hatch. The setup I have is 2 Alpine Type S 12" Subs (the 2ohm model) which rms at 500w each, an alpine mrx-m110 that has 1100w rms @ 2ohms, a sealed enclosure, and a Pioneer AVH-x2600bt HU. I wired the subs at 2ohms and planned on running 500w to each sub. I used the formula of Square Root of Wattage times Ohms and got my voltage of 44.7 V. I downloaded a 50Hz @ 0db and 360kb onto my ipod because it is my main source of listening.

    On he HU I; turned to about 3/4 volume (27 of 40), set the the SW to on, turned the SW Level to max, SW phase to regular, SW cut off frequency to 100hz as a starting point, and then in the main audio setting set the HPF to 100hz as a starting point (I'm not sure if thats the proper way but I thought so). other setting like loudness and bass boost were set to 0. On the 8 Band EQ I set all 40-200hz to max (12db) for tuning and the everything above to -12db just to make sure I was tuning specifically bass. I know 200hz is above but the bands jump from 40 to 80 to 200 so I included it because it contains the 100hz tone.

    On the amp; I set Bass EQ to 0, Subsonic Filter to I think 15hz to just be safe even though I'm a sealed enclosure, LP Filter to about 100hz (jumps from 80 to 120 so I set it in the middle), and Gain to Min.

    I removed my sub speaker wire from the amp and plugged my multimeter in to the terminals. I turned on my car and plugged in my ipod. Now with how I had my HU set I was assuming that my 4 door speakers (all stock, no amp just HU power) would not play the 50hz tone... but sure enough the tone came out of them and it sounded absolutely annoying, but I continued on and tuned turned up the gain on the amp until my multimeter (on AC) read 43.5 V just to be safe. Turned the car off, put my sub speaker wires back in and turned it on. I was really surprised at the lack of bass and how hard the subs hit. I mean they were there but nowhere near what I'm expecting them to be. They don't hit anywhere near my brothers entry level Kicker 12s with an entry level kenwood amp and I know for a fact he can't be running more than 500w total to the subs in a sealed box. They also come no where near my cousins 2 Kenwood KFC XW12s and Alpine MRX-M100 running 800W also in a sealed box. So I'm really confused. I'm almost positive the subs are in phase, because they do hit noticeably, but just not as much as I know they should. I have a feeling its because of the 50hz tone going through to the door speakers while I tuned the amp but maybe not... I'm still totally a newb, and just looking for some help. Sorry for such a long post, just wanted to give you as much detail and info as I could. Thanks!

    Eli







  2. #2
    garychurch84's Avatar
    garychurch84 is offline Senior VIP Member



    Join Date
    Dec 2012
    Location
    hornbeak,tn
    Posts
    197
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Set it with subs hooked up




  3. #3
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Quote Originally Posted by garychurch84 View Post
    Set it with subs hooked up
    Really? I've always read to do so with the subs removed




  4. #4
    garychurch84's Avatar
    garychurch84 is offline Senior VIP Member



    Join Date
    Dec 2012
    Location
    hornbeak,tn
    Posts
    197
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Quote Originally Posted by heimsothe View Post
    Really? I've always read to do so with the subs removed
    The amp doesn't see an ohm load with them removed




  5. #5
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    I just thought about that, thanks!

    Still would appreciate more input and other ideas (I know, it's been 10 minutes )
    Also confused as to why my door speakers played any noise when I ran a 50hz tone...? So I guess that's a secondary question of mine




  6. #6
    Buck's Avatar
    Buck is offline always low Buck is a Supporting Member of the forum!



    Join Date
    May 2008
    Location
    Nashville
    Posts
    18,378
    Post Thanks / Like
    Mentioned
    253 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Set the gains with your music. That tone is more powerful than the bass in your songs.



    Alpine - ASE (local) - Batcap - C&D Tech - CT Sounds - DC - eD - Excessive Amperage - Rainbow

  7. Likes Spooney liked this post
  8. #7
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Every site I've gone to has said 50-60hz though, also should I set it with -3db tone?




  9. #8
    butterMilk's Avatar
    butterMilk is offline Senior VIP Member



    Join Date
    Jun 2012
    Location
    BC
    Posts
    494
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Quote Originally Posted by Buck View Post
    Set the gains with your music. That tone is more powerful than the bass in your songs.
    I agree with this.

    Play the tone at 3/4 volume, then play some bass heavy music at 3/4 volume. Id be wiling to bet the tone is way louder and hitting way harder. I would just set it by ear, thought that might not be the best thing if you don't know what to listen for.



    HU: Pioneer AVH-P8400bh
    Amps: JL XD 400.4 / JBL 1201.1
    Front stage: HAT Imagine I61-2V2 6.5''
    Sub: JL 12w7, IB in the works.

  10. #9
    RoYALbLUE08's Avatar
    RoYALbLUE08 is offline CarAudio.com Elite



    Join Date
    Oct 2011
    Location
    NYC
    Age
    24
    Posts
    644
    Post Thanks / Like
    Mentioned
    3 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    you know something, my friend has the 12 inch type S sub (same one you got but 4 ohm version) along with the alpine mrp m500 amp and it doesnt hit hard, i know that it because of his headunit though he has a reallyyyyyyyyy old panasonic double din radio



    Front stage- HAT Imagine i61-2 for midrange and Rainbow Cal 25 Silk Tweeters for highs
    Rear Stage- Factory Premium Speakers
    HU- Pioneer AVH-x8500
    Sub stage- 12" SSA XCON D2
    Sub amp- Crescendo BC2000
    Mid/High amp- Crescendo Concerto C1100.4
    Electrical- big 3, Optima Yellowtop
    NVX Sound deadener and Sealed doors
    Acoustic Sound Foam behind Front Mids

  11. #10
    Beatin''s Avatar
    Beatin' is offline CarAudio.com Elite



    Join Date
    Nov 2012
    Location
    MI
    Posts
    969
    Post Thanks / Like
    Mentioned
    2 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Quote Originally Posted by garychurch84 View Post
    The amp doesn't see an ohm load with them removed
    A subwoofers load is reactive. The reading will be inaccurate.



    All day I'm clippin'
    voltage be dippin'
    I don't give a damn,
    cause my trunk always hittin'!

    creating a proper sound wave. Step one, turn it up until clipping. Step two, done.

  12. #11
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Wait so what should I do....




  13. #12
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Does the fact that the tone ended up playing through my door speakers matter?




  14. #13
    garychurch84's Avatar
    garychurch84 is offline Senior VIP Member



    Join Date
    Dec 2012
    Location
    hornbeak,tn
    Posts
    197
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    I'm gonna cut past all this bs!do it by ear listen for stress,distortion etc.or find an OSCOPE and do it right and be done with it




  15. #14
    heimsothe's Avatar
    heimsothe is offline Member

    Threadstarter


    Join Date
    Dec 2013
    Location
    Portland, OR
    Posts
    61
    Post Thanks / Like
    Mentioned
    0 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Any advice? I'm confused as to what I should do? I don't have an oscope available to me. I know they should be able to hit harder, I'm just trying to figure out what I should do. I've thought about using a -3db tuning tone. And also tuning with the subs plugged in. When I originally tuned with my 50hz tone, I had my hu hpf set but sound to still went out to the door speakers... One I don't think that's normal and two could it have affected the tuning?




  16. #15
    bigaudiofanatic's Avatar
    bigaudiofanatic is offline Dynamic Mobile Audio



    Join Date
    Nov 2008
    Location
    Bridgeton NJ
    Age
    26
    Posts
    1,865
    Post Thanks / Like
    Mentioned
    2 Post(s)

    Re: Subs aren't hitting like they should... Please Help

    Quote Originally Posted by heimsothe View Post
    Really? I've always read to do so with the subs removed
    Yep AND turn your SW level to 0!!!!! Not max



    I help people with car audio, computers, and much more.
    AIM me at reimermatt
    http://www.caraudio.com/forum/showth...wpost&t=370497

+ Reply to Thread
Page 1 of 3 1 2 3 LastLast

Similar Threads

  1. Subs aren't hitting PLEASE HELP!!!
    By Justin braaapp in forum Wiring, Electrical and Installation Help
    Replies: 8
    Last Post: 09-21-2013, 01:16 PM
  2. Replies: 7
    Last Post: 09-21-2013, 07:52 AM
  3. subs aren't hitting as hard as they should
    By snev in forum Wiring, Electrical and Installation Help
    Replies: 7
    Last Post: 01-20-2012, 10:46 PM
  4. Replies: 17
    Last Post: 06-25-2010, 04:24 PM
  5. alpine type x's not hitting like they should...
    By snowcruizer713 in forum Subwoofers
    Replies: 26
    Last Post: 01-31-2010, 09:22 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may post replies
  • You may post attachments
  • You may edit your posts

1e2 Forum