New here, a little Amp help needed.

[SQLuder]

I am re-doing the system in my 98 prelude and I need some help on matching an appropriate amplifier with my interior speakers.

I used to have the Boston Acoustic RC520 components (20-250W @ 4ohm) system up front and Boston Acoustic FX93 6x9s. I ran these with my Alpine CDMA-7894 (60Wx4, 27Wx4 RMS). I blew a front woofer and one of the rear coaxials. I don't think I could overpower these with the head-unit, so I'm guessing I was clipping them to death.

Now I am going to run the same head unit and front components, but with JL Audio's TR690-txi 6x9s (10-100W, 60W RMS). I want to run a five channel amp to power the the components and 6x9s as well as a pair of tens in the trunk. I desire sound quality rather than sound level. I listen to classic rock mostly and want to be able to pump it as clear as I can with what I already have bought. I'm thinking of the Alpine MRV-F450 five channel amp (60Wx4 + 200x1 @4ohm @ 14.4Vrms)

I am under the understanding that clipping is much worse than overpowering, so I am worried to be only pushing 60w per channel. If someone could better explain to me how to watt-match an amp and speakers properly that would be great. I'll even settle for good suggestions on a clean, clear, five channel amp to power my system properly. I'll run a dual amp setup if need be. Any and all input is greatly apprecaited. Thanks!

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[SQLuder]

bump... *looks around*

 

[Darth Audio 10+ year member]

My suggestion would be this: Since you want SQ keep it simple. Leave the 6 x 9's out entirely. Get a 4ch. amp run 2ch's on the comps' and bridge the remaining 2 on a sub(s).

If you go this route it will give you many more options as far as an amp goes. The 200 watts on the 5 ch. you mentioned will not push many subs to their potential.

 

[Blunt 10+ year member]

My suggestion would be this: Since you want SQ keep it simple. Leave the 6 x 9's out entirely. Get a 4ch. amp run 2ch's on the comps' and bridge the remaining 2 on a sub(s). If you go this route it will give you many more options as far as an amp goes. The 200 watts on the 5 ch. you mentioned will not push many subs to their potential.

200wrms will push several SQ subs to nice sound. the jl audio 500/5 its liek 100x2 @ 4 and 25x2 @ 4ohm and 250/1 1-4 ohms sub channel. the 25w is plenty for rear fill(if you insist on having it) and 100w will push comps nicely as well as sound beautiful

 

[Boris 10+ year member]

I have a similar setup to yours and I just picked up an USAmp IS 4085 from one of the board members(flakko) and I am in love with it.

Worked wonders for my comps and 6X9's.

I use a separate amp for my dual 10's which is just an old Kenwood.

I too was looking into 5 channel amps but running a 4 channel and a sub amp was so much cheaper and it gave me more flexibility to upgrade as the bass bug bites.

Did I mention how much I love my IS 4085 ??

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[SQLuder]

I ran across this amp on ebay, http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5834948773&ssPageName=STRK:MEWA:IT what is the public opinion of this amp?

something about me doesn't like the idea of not having the same sound level out of my rears, like having the fade 60% up front. Is this the kind of result I can expect if I run the rear 6x9s off the head unit for now (I haven't bought my new subs yet. My old ones are straight fcked.) The rear 6x9s prefer 60w rms, and the fronts i'm guessing around 130-ish. the amp pushes 125x4 rms @ 4 ohms. With this in mind I feel that the front and rear speakers are not matched well at all. Bridging the 6x9s and subs would bring the wattage to an appropriate level, but the ohm-load would be in question, right? Can I alter the wattage output front/rear on the amplifier, or would simply adjusting the fade on the head unit balance out the wattage F/R?

Edit: http://cgi.ebay.com/JL-AUDIO-450-4-Car-Amplifier-4-Channel-Amplifier-450W_W0QQitemZ5833176631QQcategoryZ4950QQtcZphotoQQcmdZViewItem

This amp looks like it's exactly what I need. I've never used JL anything, do they make good, clean amps? The price sure reflects that they would.

 

[alphakenny1 10+ year member]

screw the rear fill. unless you carry passengers i would suggest myself that you don't use a rear fill unless you absolutely have to. why lose the rear fill? well many car audio enthusiasts in a car try recreate a concert scene in their car. In a concert your sitting in the audience and the music is coming at you, which sounds better and louder. So this is the equivalent to running front speakers only. Depending on positioning of your speakers, the music is coming at you. But if you run a rear fill, your soundstage will move back and hence you are onstage now in a sense. Now the music is not coming at you and it doesn't sound as good.

and yes jl makes quality clean amps. but are overpriced IMO.