Class D amp
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From: Topeka, KS
Originally Posted by jwa4378,Sep 27 2007, 09:02 AM
I would be careful about making a blanket statement like that.
Some amps, when hooked up to full range speakers will sound "bright, warm, dry, ect." whatever adjective people like to describe them with. That's comprised of the architecture of the amp and also input impedance interacting with the output from the source unit. By maintaning the constants of output power, distortion and input impedance, that only keeps amp layout/architecture in play which is the only "character" I am talking about in my post.
What you're talking about is comparing crap amps vs. good amps. Sure there will be a huge difference. But comparing high quality amps and deliving the same amount of undistorted power to your sub, you will not audibly tell the difference. Now if you compare two different amps, but have the gains set so that one delivers 100W while the other 110W, there will be a difference between A and B comparisons.
That is why I say 99% comes from the sub/enclosure and the other 1% comes from the amp assuming you use quality amps.
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From: Topeka, KS
Originally Posted by jwa4378,Sep 27 2007, 05:04 PM
And I believe that the shape of the box has a lot to do with the sound output, not just size. A box should always be designed to the subs required operating volume. As long as the volume is the same, the shape will really dictate the overall sound and flow of the sound waves. WLAURENT, for example, I believe individually tunes his boxes to follow a certain slope... depending on the sub utilized.
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From: Michigan
Originally Posted by jwa4378,Sep 27 2007, 05:04 PM
Based on this quote, I am drawing the conclusion that you believe a JL 10w6 will sound the same as any other sub with the same power handling characteristics.... I could not disagree more. Some subs are designed to be more "musical" than others and handle the milder-bass frequencies better (SEAS Lotus, for example), while others are designed more for SPL (JL w8 series, for example).
I do agree that the box is a major component, but I think it makes about two thirds the sound. The other third, IMO, has to do with sub selection and amp selection. I will concede that when you get into the area where the sub/amp combo are significantly affecting the sound, the wires and all that stuff will also be brought into the equation...
And I believe that the shape of the box has a lot to do with the sound output, not just size. A box should always be designed to the subs required operating volume. As long as the volume is the same, the shape will really dictate the overall sound and flow of the sound waves. WLAURENT, for example, I believe individually tunes his boxes to follow a certain slope... depending on the sub utilized.
Just my opinion.
John
I do agree that the box is a major component, but I think it makes about two thirds the sound. The other third, IMO, has to do with sub selection and amp selection. I will concede that when you get into the area where the sub/amp combo are significantly affecting the sound, the wires and all that stuff will also be brought into the equation...
And I believe that the shape of the box has a lot to do with the sound output, not just size. A box should always be designed to the subs required operating volume. As long as the volume is the same, the shape will really dictate the overall sound and flow of the sound waves. WLAURENT, for example, I believe individually tunes his boxes to follow a certain slope... depending on the sub utilized.
Just my opinion.
John
I was trying to not down play the box, which is very important in SQ for the sub to perform properly. The amplifier debate is a whole other issue, but I don't think we disagree on that issue at all.
Sam
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