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Dynamat or 3 way components

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Old 07-14-2002 | 07:20 PM
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Default Dynamat or 3 way components

i heard that 3 way components are a waste of money if the car is not sound deafened or 2 way components with dynamating doors would just sound as good as any 3 way w/o dynamat? is this true? has anyone experienced the difference? a sales at a stereo shop told me, his 6.5 woofers sound like 8" cuz he dynamat all doors. so i thought maybe i could save some money to get a set of 2 way components and dynamat the doors and they will sound as good as a 3 way.
Old 07-15-2002 | 10:59 AM
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depends what 3 ways and what 2 ways...

3 ways can sound worse since u're creating phase issues when creating multiple distances for each speaker.....
Old 07-15-2002 | 11:29 AM
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if you are just an average person looking for good sound...just get the 2 way components....they will satisfy you enough....2way components in the right placement wins comps...

its too much of a hassle using 3-way if you dont know what you are doing.

dynamatting your door helps....go for it.
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Old 07-15-2002 | 11:37 AM
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I have Boston Pro 6.5s in my fronts Boston RX67 coaxials in back. The door is screaming for dynamat, it's terrible.

The three-ways if you're a perfectionist, are willing to spend the time to get them done right and have the cash. If not, 2-ways will be fine.

I'm able to trade my stuff back in for full purchase value (already discounted), so I'm heavily considering swapping to the 6.53s. Only problem is retail $449 for the 2ways, $749 for the 3ways. Also, I couldn't mount the crossover in the doors either, the 3way is too big.
Old 07-15-2002 | 02:37 PM
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3 ways don't necessarily sound better then a two way set. I would take a set of 2 ways in properly built kicks instead of a set of commercially purchased three-ways...they just are not that good from the factory IMO.

Get the install right (i.e. sound deaden) before you spend more money on speakers. $800 speakers will still sound like crap if they are not properly installed.
Old 07-15-2002 | 03:55 PM
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Yeah, I would go with 2ways plus sound deadening. What good is an expensive set of 3ways if the door still rattles like hell?
Old 07-15-2002 | 08:45 PM
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Originally posted by igo4bmx
depends what 3 ways and what 2 ways...

3 ways can sound worse since u're creating phase issues when creating multiple distances for each speaker.....
what is phase issue?
Old 07-15-2002 | 08:48 PM
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Originally posted by ur31337
I have Boston Pro 6.5s in my fronts Boston RX67 coaxials in back. The door is screaming for dynamat, it's terrible.

The three-ways if you're a perfectionist, are willing to spend the time to get them done right and have the cash. If not, 2-ways will be fine.

I'm able to trade my stuff back in for full purchase value (already discounted), so I'm heavily considering swapping to the 6.53s. Only problem is retail $449 for the 2ways, $749 for the 3ways. Also, I couldn't mount the crossover in the doors either, the 3way is too big.
are you talking about the price in canadian dollar? last time i went by a stereo shop to see how much pro 6.53 was, and it was 890 CND.
thank you guys for ur reply. i think i will buy a 2 ways and use the rest of money for the dynamat when i have $$$$. btw, dynamat is hell expensive. doing all four doors(i have a sedan) and the trunk lid will probably cost me 300 CND.

Last edited by steveng; 07-15-2002 at 08:52 PM.
Old 07-16-2002 | 07:25 AM
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sound travels at a certain speeds and thus causes sound issues...(which kick panels tend to try to fix) but imagine 3 way comp speakers all coming from different distances to your ear... it causes the phase issues.... you would find 2 way comp speakers to not have such a effect since there are less speakers to deal with.
which would sound clearer, one person singing, or three peopel singing? I might add each speaker in a compnent set plays different frequencies, but the x over freq... are affected by this the most
Old 07-16-2002 | 10:39 AM
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Originally posted by igo4bmx
sound travels at a certain speeds and thus causes sound issues...(which kick panels tend to try to fix) but imagine 3 way comp speakers all coming from different distances to your ear... it causes the phase issues.... you would find 2 way comp speakers to not have such a effect since there are less speakers to deal with.
which would sound clearer, one person singing, or three peopel singing? I might add each speaker in a compnent set plays different frequencies, but the x over freq... are affected by this the most
It's a path length issue....idealy, both your right and left channel drivers would all be the same distance from your ears...this is difficult to achieve in an automobile, and kick panels are one way of getting nearly identical pathlengths.

Now the problem with most 3 way component sets is that the highpass on the midrange is up in the 300Hz range. Everything above around 150Hz is still localizable, so you get your door speakers playing frequencies that can be localized....this will cause your image to be a bit on the fuzzy side, and can actually cause instruments that play around the crossover point to drift across the dash...that's bad.

That's the reason why I find a 2 way set preferable to most 3 way sets. If I was using conventional drivers for a front stage, I would go with 8"s in the doors, 5.25" drivers and tweeters in the kickpanels. The 8"s will give you enough meat that you really don't need subs, and the 5.25"s won't have any troubles playing low enough to anchor the image. It's a bit of work to get 8's in the doors, but it's worth it if you set it up correctly.


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