Thread: Getting new subs want opinons.

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  1. #1 Re: Getting new subs want opinons. 
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    Quote Originally Posted by I800C0LLECT View Post
    Well I would actually say that the delay was caused with the sub not blending properly with the mid-bass up front. Many people state that theory will explain why subs do not need T/A. However, I have noticed a difference with mid-bass interaction based on delay.

    Thats retarded. How you can you claim the BIGGEST waves of them all would be least affected by phase? They'd be the most likely to create MASSIVE dead spots due to cancellation.

    The reason kick panels are so great is because path length is so important with the wave lengths of ~300hz up to about 1500hz. We want the mids as far from the listener as possible in a vehicle. Another benefit is the proximity of the tweeter to the mid itself allowing it to blend better and create a single point source. This is a must when using passive cross overs imo. In the end, these two advantages takes care of the predominant issues of installing within your vehicle.

    Why? If all the speakers are the same distance from the LP, then you win.

    Learn how to design a nearfield speaker and you'll see why this whole "OMG PUT THEM FAR AWAY" idea is a load of crap.

    do you think they do when they make studio monitors? Cry since they're nearfield speakers and compromise the design so they'll work placed far away where no one will place them since their own intended use is for nearfield?

    Funny....

    There's obviously a whole world of hurt associated with car installs but I'd rather steer away from defraction and reflection issues that are inherent to doors and dashboards. I will say that putting the tweeter as close as possible to a window displaces reflection to the 17khz and above. It changes based on the proximity to the window due to real world wave lengths but it's a quick tip for when looking at tweeter locations.
    And the "pros" claim they actually use the window to reflect sound properly...

    I'll take a look at the rest when i get off work...
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  2. #2 Re: Getting new subs want opinons. 
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    oh stop, we all know you don't work

    BTW, I800 , id like to point out that IMO passive crossovers belong in the garbage. But you already knew my thoughts on those.


    ON my last setup I noticed if it was near 0F outside when I would listen to music I would have close to no highs, never figured out if it was from the electrolytics in the crossovers being frozen, or if it was the ferrofluid in the tweeters being thick. I forget to look into that before selling the truck. Kinda a moot point, but you bringing up passive crossovers made me think of it
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  3. #3 Re: Getting new subs want opinons. 
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    hrmmm.

    Here we go again


    Quote Originally Posted by matt5112 View Post
    Thats retarded. How you can you claim the BIGGEST waves of them all would be least affected by phase? They'd be the most likely to create MASSIVE dead spots due to cancellation.

    Maybe you read into that differently than I had hoped? What I'm saying is that the frequencies your mid produces react very well to T/A. Your sub does not. When tuning to bring about a transparency between the mid-woofer and sub-woofer the stage can become confusing if your mids aren't tuned properly. Although a double kick is pronounced in the sub-range the roll off is as high as 800hz. In this instance if your mid isn't tuned properly then localization will be prevalent and the mid will not pick up where the sub left off.

    The cancellation would be attributed to installation and x-over points. How about this...is it easier to manuever two cars next to each other at the same time or one at a time? Leave the sub alone. T/A mids to match distances. Attenuate and EQ for transparency.





    Why? If all the speakers are the same distance from the LP, then you win.

    Learn how to design a nearfield speaker and you'll see why this whole "OMG PUT THEM FAR AWAY" idea is a load of crap.

    This has nothing to do with speaker design or near field presence. The relationship of this installation practice is proportionate to the actual wave lengths. Tweeters will not benefit from kicks; only the frequency range I specified which is found in your mid.



    do you think they do when they make studio monitors? Cry since they're nearfield speakers and compromise the design so they'll work placed far away where no one will place them since their own intended use is for nearfield?

    There you go taking experience from home audio again



    And the "pros" claim they actually use the window to reflect sound properly...

    Not all of them. Most of them talk a lot of trash and play mind games because they don't want psychoacoustics to ruin their scores. When they're making those claims they're referring to an installation that is designed around the issue of reflections. Instead of fighting them, they try to work with them instead.


    I'll take a look at the rest when i get off work...
    Last edited by I800C0LLECT; 01-30-2010 at 07:18 PM.
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