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    Does adding a 2nd speaker side by side add much volume?

    I guess it might be hard to quantify volume with out a reference, so this might be a dumb question since i have no dB meter.

    Anyway, if i add a second 6.5" door woofer (in the same door), with the same amp power as the first, (double speakers & double amp) how much increase in volume could i expect?

    I think 15-20% more is what id like to get.
    Last edited by Roland; 07-03-2013 at 10:56 AM.







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    Re: Does adding a 2nd speaker side by side add much volume?

    If your amp is going to make more power with the lower load on paper it's a 3db gain.



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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by DDtC View Post
    If your amp is going to make more power with the lower load on paper it's a 3db gain.
    Hum, i You mean as if to hook them up parallel or series kind of thing. i did not even think about that.
    What if the load is the same and the power is the same? Two 6.5"s with 145 watts per speaker, vs four 6.5" with 145 watts per speaker?

    I was just thinking add the second speaker with it own equal amp. Actually i have the PPI 900-4 amp. 4ohms it's 145 rms per 4 channels. I currently have them running active tweeters and the 6.5"s. I thought of the option to just add another 6.5" and buy another smaller amp for the tweeters.




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by Roland View Post
    Hum, i You mean as if to hook them up parallel or series kind of thing. i did not even think about that.
    What if the load is the same and the power is the same? Two 6.5"s with 145 watts per speaker, vs four 6.5" with 145 watts per speaker?

    I was just thinking add the second speaker with it own equal amp. Actually i have the PPI 900-4 amp. 4ohms it's 145 rms per 4 channels. I currently have them running active tweeters and the 6.5"s. I thought of the option to just add another 6.5" and buy another smaller amp for the tweeters.
    Double cone area or double power on paper is a 3 db gain. It has show cone area gets closer to that mark. With that said if you double cone and not power it would equal out, you still could have a slight gain do to the cone but it might not be noticable. Double power and cone and it will have a big increase



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    Re: Does adding a 2nd speaker side by side add much volume?

    Thanks DDtC, that is exactly what i needed to know.

    Im going the upgrade my speakers to the RF T5652-s first. Play with that for a while and if that is not satisfying, then 2 cones it is.
    (Found a great deal on the RF t-5s, hard to pass up and not give a try)




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by Roland View Post
    Thanks DDtC, that is exactly what i needed to know.

    Im going the upgrade my speakers to the RF T5652-s first. Play with that for a while and if that is not satisfying, then 2 cones it is.
    (Found a great deal on the RF t-5s, hard to pass up and not give a try)
    Dont mix match. How much is this good deal? Rockford is not know for their speakers?



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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by DDtC View Post
    Dont mix match. How much is this good deal? Rockford is not know for their speakers?
    I won't be mixing 6.5s

    I have heard good things on thier t3s but not much on their t5s , I think they were priced to high to gamble on, $$$msrp. At $575 I figure it worth a shot.




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by Roland View Post
    I won't be mixing 6.5s

    I have heard good things on thier t3s but not much on their t5s , I think they were priced to high to gamble on, $$$msrp. At $575 I figure it worth a shot.
    At $575 you could do better. Audison, Hertz, Dynaudio for some examples



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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by DDtC View Post
    At $575 you could do better. Audison, Hertz, Dynaudio for some examples
    It looks like the Hertz HSK 165 XL fit the bill in the same price range as the T5652-s. The 93 sensitivity may equal a little louder performance, which is what i need. Thanks for the tip




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by Roland View Post
    It looks like the Hertz HSK 165 XL fit the bill in the same price range as the T5652-s. The 93 sensitivity may equal a little louder performance, which is what i need. Thanks for the tip
    Excellent choice.



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    Re: Does adding a 2nd speaker side by side add much volume?

    OP what exactly are you trying to do, how loud are you trying to get? What is your substage?

    I'd bridge the PPI to power 4 mids, get a small 2ch for your tweeters. No matter what speakers you end up with...




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by mlstrass View Post
    OP what exactly are you trying to do, how loud are you trying to get? What is your substage?

    I'd bridge the PPI to power 4 mids, get a small 2ch for your tweeters. No matter what speakers you end up with...
    substage?

    It's a Honda Oddysey work van, (only 2 front seats).
    I currently have JBL MS62C tweeters in the pillars at about nose level. The doors have Rockford T2652-s woofers in them. My sub sits between the seat 10" Dayton Audio Ultramax .87' sealed.

    Goal is to get a bit more clean volume for the Hwy drive times. I like the windows down, and I drive about 3 hours a day.

    So
    plan A. Get better Speakers. (this is more that i really want to try out some better speakers, and hopefully it will be loud enough)
    plan B. Add another woofer in the door (requires me buying another amp, and door panel modification = $$$)
    Plan C. Add a 3" mid in the pillar (requires pillar mod$ and might not make enough volume difference)




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    Re: Does adding a 2nd speaker side by side add much volume?

    Personally I'd match components if you just want to double up. If you had the ability to do some creative crossing over you could get into something a little more complicated with different drivers but it may be a bear to dial everything in right.




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    Re: Does adding a 2nd speaker side by side add much volume?

    Quote Originally Posted by hispls View Post
    Personally I'd match components if you just want to double up. If you had the ability to do some creative crossing over you could get into something a little more complicated with different drivers but it may be a bear to dial everything in right.
    Sorry, to clarify.
    Plan A, REPLACING current speaker with better speakers. (the Hertz 165XL or RF 5652s) If i added another woofer, it would be the same model.
    my current speakers are active so...




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    Re: Does adding a 2nd speaker side by side add much volume?

    I'd do 2 sets of comps per door and the tweeters in the A pillars. Should keep up with wind noise no problem on the highway....




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