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  • Speakers putting too much base!

    Ok Im not so great with sound systems. But I got two twelve JL subs and a 1000 watt JBL amp. I got 4 rockford fosgate speakers. When my bass hits the speakers try to hit that base and you just hear them making that awful sound. How do I basically tell my speakers to not put out bass?

    BTW if this helps I have an Alpine head unit.

  • #2
    Re: Speakers putting too much base!

    Turn the gain down on the amp.

    Lounge Moderator

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    • #3
      Re: Speakers putting too much base!

      Alright so basically one of the simplest things I can do. lol Thanks Bonemaro. Ill try that in the morning when I can actually see.

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      • #4
        Re: Speakers putting too much base!

        I believe his 6.5" speakers are what he is talking about. In other words, the gain on the sub amp will have no affect on this.

        Check out the settings on your headunit. Some have built in high-pass filters that will filter out the bass being sent to your door speakers only. (Anything hooked up to the internal amp) If not, turn down the "low" setting on the headunit. Worse come to worse comes to worse, bass blockers in-line each speaker.
        Last edited by 96firebird311; 04-21-2008, 08:54 AM.
        Red 96' A4 Firebird
        Audio Audio and Autotek
        Check it out here!

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        • #5
          Re: Speakers putting too much base!

          96firebird is pretty much right on. depending on you're headunit you will most likely have several options to turn down bass to your speakers. if you have a subout feature use that to control your sub for your bass and turn the normal low setting down. if you have equalizer presets play with those. also if you have a "loud" setting sometimes that will help if you turn it off. it could be any number of things. i have found that equalizer presets don't generally sound all that great, but thats just my experience. if you have an equalizer you can set yourself just fiddle with that until you get it to sound good. if all else fails buy a 4 channel amp, use that to power your side speakers and wire it up to get rid of the bass going them, i haven't ever tried that myself but i have had plenty of friends that swear it works.

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          • #6
            Re: Speakers putting too much base!

            if u cant figure out the setting on the HU, i can attest to the Bass Blocker's awesomeness...i had em on my door speakers for a while, and they're really handy

            BTW, for future reference, it's baSS
            Last edited by 95astrovan; 04-19-2008, 01:53 AM.

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            • #7
              Re: Speakers putting too much base!

              Figured I had better let you know....

              But "Bass Blockers" are just capacitors. A single capacitor. You can buy them at Radio Shack or partsexpress.com without the name tag for probably 1/4 of the price of "Bass Blockers". If this is the route you happen to take, you'll want to buy a non-polarized capacitor with a MIN rating of 25V if using headunit to power the speakers. (50-100V would be great) The smaller the size or value of a capacitor (microfarads, µfd) is, not physical size, the higher the high pass frequency will be. For a regular 4 ohm speaker, 400µfd is 100Hz. 200µfd will produce a high pass filter at 200Hz. Every time you half the value, you double the frequency. If you cant find the correct value, you can run multiple caps in parallel till you get the value you need.

              Screw it. I'm bored. Here's a link to help you get started:
              http://www.partsexpress.com/webpage....=161&sm=1&so=2

              200Hz= http://www.partsexpress.com/pe/showd...number=027-366

              If 200Hz is too high for your tastes= http://www.partsexpress.com/pe/showd...number=027-374
              That should be right around 140Hz. Or pick anyone you wish....

              Quite honestly, if you know what you're doing, you can order those caps online for probably under a buck each from electronic component websites. Getting close to work time, maybe I'll look some up for ya later.

              Double edit:
              Srtracer, if you're reading this, this would be great info to add to the FAQ. Maybe a little chart with different valued caps = HP freq cutoff.
              Last edited by 96firebird311; 04-19-2008, 09:56 AM.
              Red 96' A4 Firebird
              Audio Audio and Autotek
              Check it out here!

              Comment


              • #8
                Re: Speakers putting too much base!

                Originally posted by 96firebird311 View Post
                I believe his 6.5" speakers are what he is talking about. In other words, the gain on the sub amp will have no affect on this.

                Check out the settings on your headunit. Some have built in low-pass filters that will filter out the bass being sent to your door speakers only. (Anything hooked up to the internal amp) If not, turn down the "low" setting on the headunit. Worse come to worse comes to worse, bass blockers in-line each speaker.
                I believe you mean high-pass filter. Most alpines have high pass filters built into the head units for your components. Get a model # and I can look it up for you if you can't find it in the menu's. Could also go with an active/passive crossover if your headunit does not have a filter built in.

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                • #9
                  Re: Speakers putting too much base!

                  Yep. Must bust. Fixed. Typing too fast I guess.:)
                  Red 96' A4 Firebird
                  Audio Audio and Autotek
                  Check it out here!

                  Comment


                  • #10
                    Re: Speakers putting too much base!

                    Originally posted by 96firebird311 View Post
                    Figured I had better let you know....

                    But "Bass Blockers" are just capacitors. A single capacitor. You can buy them at Radio Shack or partsexpress.com without the name tag for probably 1/4 of the price of "Bass Blockers"....
                    oh i know, but i mean, theyre just convenient and the pair i bought a few months ago only set me back about 4 bucks

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