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Thread: Rough tune on your EQ

  1. #61
    FLAC
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    Man, I don't know. Did the 2 companies merge or did one put the other out of business?
    RS has a big online service, have you tried ordering one online?

    Check ebay, I see a lot of them.
    1999 Black Pontiac Trans Am
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  2. #62
    Variable Bitrate FyreDaug's Avatar
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    found one thanks jason, didnt even think to search for it, its the same unit too

  3. #63
    Constant Bitrate DeadlyAP1's Avatar
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    I am about to do a tune on my system using the Rat shack Db meter method. I have a SoundBlaster Live external card. Both Winamp and the soundcard have their own EQ's. I am wondering if I should tune the EQ in Winamp or on the soundcard first. Or, should I leave one of those EQ's off totaly and just tune one of them?? If so, which one? Thanks for the help.

  4. #64
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    turn one off and leave it off, don't touch it.

    as to which one...if one has more bands, use it. Else, you're going to have to have choose.
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  5. #65
    FLAC
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    I've messed around with the one in winamp and it kinda sucks. I'm just not into the software EQ's unless maybe the standalone software ones are any good. I still think an outboard EQ is better. I keep the sound system and the PC seperate.

    So try the sound card one and see if it's any good.

    You might even be able to turn the winamp one off completely. I think there is a check box you can select.
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  6. #66
    Constant Bitrate DeadlyAP1's Avatar
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    Thank you for the quick replies. There is a check box to shut off the Winamp EQ. I will do that and tune the soundcard's EQ. thanks again.

  7. #67
    Constant Bitrate DeadlyAP1's Avatar
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    When I started tuning my system, I thought it would be great if I had an excel spreadsheet that would do most of the work for me. So, I made one that would autmaticly factor in the corrections and then make a nice line chart to show me where my peaks and dips were. I put the link to it below and I hope someone else gets good use from it. Feel free to add it to the original post if you think it will help.

    DeadlyAP1's Rough Tune Helper

  8. #68
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    Hi Jason, I was wondering if you could give me some expert advice.

    My equipment is Infinity Kappa Perfect 6.5" in the stock door and tweeter (triangle on window) locations. I power them with a JL 300/4 bridged to 2 channels (tuned gains with voltage meter, crossover set at ~80 with 24db slope). My HD is an old Alpine 9830 which unfortunately only has a 4-Band Parametric equalizer.

    I was going to do the rough test as you suggested, but my fear is that I can only adjust 4 frequencies and that might make it not worth while to spend $50 on equipment + $30 or so on a sound cd. I called around and its basically ~$50 for a professional tune by-ear.

    My problem with the sound is that its simply too bright. I lowered the tweeters on the passive crossover by I believe -4db and its still too bright. When I play something with strong vocals (Mariah, etc) the high tones are very sharp and extremely clear. My friends said that even without the music blasting, they can make out every single word of the song from far away. The problem is I have never heard someone else after market system so I don't have something to reference it to.

    My question is how do I solve it? I would assume that its bright because the tweeters are closer to my ear than the mids. I know I can't fix that without a kick panel, but would turning the high frequencies down via EQ do the same effect or will it simply ruin my sound altogether.

    Do you suggest 1) buying the equipment to rough test it myself, 2) taking to a shop so they can tune by ear, 3) leave it flat because its normal with an after market system. Or maybe an additional suggestion?

    I encourage everyone else to please give me your opinions also, I would appreciate it.

    Thank-you for the help!

  9. #69
    FLAC
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    You probably don't need to pay anyone to tune it for you. I had to download the manual on the 9830 to see what kind of EQ it had. You should be able to do what you need with it.

    First thing is to figure out what range of freqs are too high. Your not going to hear vocals through the tweeters. Vocals are going to be from the mids. So you might try disconnecting your tweets and seeing if the vocals are too bright still. If they are you need to tweak the range from maybe 2K-5K. Our ears are particulary sensitive to these freqs. If the vocals sound fine, then it may be the tweets are still too loud.

    So determine if it's the tweets or mids that are too loud. If the tweets, you may be able to aim them better (I don't know what car you have) to make the sound more smooth and maybe image better. That's what I would do before adjusting the 9830 EQ.

    If we need to use the EQ we still need to know what freqs are louder than they should be. With a parametric EQ, what you do is figure out what range is too high.

    FOR EXAMPLE, lets say 2K-6K is the problem area that needs to be toned down. Then you would use Band3 on the EQ and set it to the center freq which would be 4K. Then you adjust the Q which determines how wide a range of freqs to the left and to the right of the center freq are effected. The Q can either control a narrow band or a wide band and is adjustable. Then you adjust the level which is how much you want to cut or boost that range.

    The choices in Q for Band3 are 1.0, 2.0, 3.0. I'm not sure, but these may refer to the number of octaves they effect. So with a center freq of 4K and you want to also effect 2K-6K then you would probably set the Q to 1 then set the cut level a few notches down and see how it sounds. You can then switch the Q to 2 and 3 just to see the effect it makes.

    Anyway, the first thing I would do is figure out what freqs are too loud and need to be reduced. Listen to a music CD (make sure all the tone controls and LOUDNESS button is turned off as well) where you can hear the harshness. Then play those downloadable test tones and try and match the freqs.
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  10. #70
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    Quote Originally Posted by JasonWW View Post
    You probably don't need to pay anyone to tune it for you. I had to download the manual on the 9830 to see what kind of EQ it had. You should be able to do what you need with it.

    First thing is to figure out what range of freqs are too high. Your not going to hear vocals through the tweeters. Vocals are going to be from the mids. So you might try disconnecting your tweets and seeing if the vocals are too bright still. If they are you need to tweak the range from maybe 2K-5K. Our ears are particulary sensitive to these freqs. If the vocals sound fine, then it may be the tweets are still too loud.

    So determine if it's the tweets or mids that are too loud. If the tweets, you may be able to aim them better (I don't know what car you have) to make the sound more smooth and maybe image better. That's what I would do before adjusting the 9830 EQ.

    If we need to use the EQ we still need to know what freqs are louder than they should be. With a parametric EQ, what you do is figure out what range is too high.

    FOR EXAMPLE, lets say 2K-6K is the problem area that needs to be toned down. Then you would use Band3 on the EQ and set it to the center freq which would be 4K. Then you adjust the Q which determines how wide a range of freqs to the left and to the right of the center freq are effected. The Q can either control a narrow band or a wide band and is adjustable. Then you adjust the level which is how much you want to cut or boost that range.

    The choices in Q for Band3 are 1.0, 2.0, 3.0. I'm not sure, but these may refer to the number of octaves they effect. So with a center freq of 4K and you want to also effect 2K-6K then you would probably set the Q to 1 then set the cut level a few notches down and see how it sounds. You can then switch the Q to 2 and 3 just to see the effect it makes.

    Anyway, the first thing I would do is figure out what freqs are too loud and need to be reduced. Listen to a music CD (make sure all the tone controls and LOUDNESS button is turned off as well) where you can hear the harshness. Then play those downloadable test tones and try and match the freqs.
    First and foremost, I wanted to thank you for taking the time to respond to me question. I went out and got the Alan Parson Sound Check CD and I have identified that the 5k tone is the harshest. I played around with the Q and you were right, 1 seems to reduce the bands around giving me some more control on other frequencies. I tried to measure the frequencies by "loudness-to-my-ear" and I adjusted the 4k frequency down -5db with Q at 1 and that seems to sound the best. That frequency is very hard to work with because it creates this ringing in my ear and I need to take breaks to neutralize it.

    I feel like that is the only frequency I need to touch, but I'm not sure as to how many db's I should really lower it. I feel like the more its lowered the less liveliness there is in the music. For example, at -3db music sounds great, but there comes a point where some tones get harsh. From that point I can keep reducing till all the harshness is gone, but then I feel like I'm mudding up the parts where its not harsh. I'm not quite sure if I'm explaining it correctly.

    Being as I have never tuned an EQ before, does a -5db setting seem out of the ordinary considering that the tweeters are already set at -4b? If you think a more "common" number is -3db or -4db I will just adjust it there and be done with it.

    Thank-you again!

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