What did you do to your ZJ today? - Page 1772 - JeepForum.com

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post #26566 of 44374 Old 10-26-2013, 08:15 PM
Platinum5nine
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1998 ZJ 
 
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Location: Middle Island
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Originally Posted by ejschultz View Post
Time alignment for the win. Try it. Staging is everything. And I guarantee to most people on here, keeping the tweeters up in the dash would be favorable. You have to have pretty trained ears to hear the phasing issues caused by the distance between the mids and tweets. I'd venture to say those with that ability more than likely will end up with a fully active setup and a head unit or sound processor that allows for time alignment. I know that's the route I went.
I have been an installer for 14 years, my ears are finely tuned. Components are good advice for the best SQ however keeping the tweeters as close to the woofers also produces the best SQ. Your right though most people dont know any better and just hear the tweeters loud up in the dash and think it sounds good. Probably 95% of people dont have trained ears. For the other 5% of us, ill stick to doing it the right way. Its crazy but i have actually met people who cant hear when 2 speakers are out of phase! Duno how thats possible but they cant tell the difference.


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post #26567 of 44374 Old 10-26-2013, 08:22 PM
xrunndonex
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Originally Posted by Platinum5nine View Post
Factory amp is very low power. Stock speakers are 2 ohms, aftermarkets are 4 ohms. You get half the power out of the already anemic stock amp when you replace the speakers. The higher input voltage from the new radio makes up for some of this but not enough. Will it work with the stock amp? of course it will, but it will sound better with it bypassed.

On a side not, if you have a 5.9 grand you have to bypass the stock amp when replacing speakers as the rear doors are crossed over with in the amp as subwoofers. They play bass only.
The 4 ohm speakers won't get as much power as 2ohm speakers? Wut da hellz going on here!
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post #26568 of 44374 Old 10-26-2013, 08:24 PM
Platinum5nine
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1998 ZJ 
 
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Ill school ya lol. If you have an amp that rated at 20 watts at 2 ohms, it will put out roughly 10 watts at 4 ohms. Now if the amp is rated at 20 watts at 4 ohms, it will put out roughly 40 watts at 2 ohms. Then impedance (ohms) change, the output power of the amp also changes. Simple as that.

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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post #26569 of 44374 Old 10-26-2013, 08:25 PM
xrunndonex
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Quote:
Originally Posted by ejschultz View Post

Time alignment for the win. Try it. Staging is everything. And I guarantee to most people on here, keeping the tweeters up in the dash would be favorable. You have to have pretty trained ears to hear the phasing issues caused by the distance between the mids and tweets. I'd venture to say those with that ability more than likely will end up with a fully active setup and a head unit or sound processor that allows for time alignment. I know that's the route I went.
I'd rather have a couple on D pillar
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post #26570 of 44374 Old 10-26-2013, 08:26 PM
Platinum5nine
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lol yea that should sound fantastic! Make sure you get the 1000 watt chrome ones from mexico though!

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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post #26571 of 44374 Old 10-26-2013, 08:27 PM
970001zj
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thats interesting though about the door speakers being 2 ohm

i put 4 ohm speakers in my doors run off the factory amp and i still get midbass , not pounding bass but i thought that was my ****ty speakers i bought
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post #26572 of 44374 Old 10-26-2013, 08:28 PM
xrunndonex
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Originally Posted by Platinum5nine View Post
Ill school ya lol. If you have an amp that rated at 20 watts at 2 ohms, it will put out roughly 10 watts at 4 ohms. Now if the amp is rated at 20 watts at 4 ohms, it will put out roughly 40 watts at 2 ohms. Simple as that.
Ohh I see what you where saying now. I thought you ment say 2ohms got 100 and 4 got 200. I almost lost all faith in humanity.
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post #26573 of 44374 Old 10-26-2013, 08:29 PM
xrunndonex
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Originally Posted by Platinum5nine View Post
lol yea that should sound fantastic! Make sure you get the 1000 watt chrome ones from mexico though!
No no no no
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post #26574 of 44374 Old 10-26-2013, 08:30 PM
Platinum5nine
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Nope but an amp rated at 100 watts with a 4 ohm load will produce roughly 200 watts with a 2 ohm load on it.

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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post #26575 of 44374 Old 10-26-2013, 08:30 PM
970001zj
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yeah reducing the ohms will make less power duh

look at the 2 and the 4

you want more right
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post #26576 of 44374 Old 10-26-2013, 08:31 PM
xrunndonex
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Hey guy what's the mids that are like 500 a piece but are super loud. H20 is either the name of the company or the line
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post #26577 of 44374 Old 10-26-2013, 08:31 PM
Platinum5nine
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Quote:
Originally Posted by 970001zj View Post
thats interesting though about the door speakers being 2 ohm

i put 4 ohm speakers in my doors run off the factory amp and i still get midbass , not pounding bass but i thought that was my ****ty speakers i bought

It's actually very difficult to get good bass out of ZJ doors. Just the acoustics of the doors. There are none lol.

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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post #26578 of 44374 Old 10-26-2013, 08:31 PM
xrunndonex
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Quote:
Originally Posted by 970001zj View Post
yeah reducing the ohms will make less power duh

look at the 2 and the 4

you want more right
No it makes moree
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post #26579 of 44374 Old 10-26-2013, 08:33 PM
Platinum5nine
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Quote:
Originally Posted by 970001zj View Post
yeah reducing the ohms will make less power duh

look at the 2 and the 4

you want more right

Its not that simple. The lower the impedance the more power the amp produces BUT the dirtier the power gets. 200 watts at 2 ohms is not as clean as 200 watts at 8 ohms. Reason being the lower the impedance the close you are to a dead short. Lower impedance produces more power but also more heat and more distortion.

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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post #26580 of 44374 Old 10-26-2013, 08:35 PM
Platinum5nine
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Quote:
Originally Posted by xrunndonex View Post
Hey guy what's the mids that are like 500 a piece but are super loud. H20 is either the name of the company or the line

Super loud requires a lot of power and a high quality speaker. Loud doesnt always equate to good sound though. If you want a system built for sound quality you need atleast 5 amps, a processor, a high end preamp only stereo, invest upwards of 5 grand. A properly built system has no less than 3 amps. One for tweeters, one for mids, one for subwoofers. Doing it right costs big money.

Platinum 5.9 2.25" engine pipes 3" Magnaflow cat, 3" Hooker Aerochamber, 3" tail pipe, Ported kegger, 52MM Throttle Body, 24lb injectors, K&N drop in filter, Cast JEEP valve covers, MSD coil and wires, All new 6 piece clear light kit, 255/65/16 General Grabber HTS, 242 conversion, XJ u-joint front axle shafts
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