Stereo setup. Feel free to *learn me! - Chevy Impala SS Forum
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post #1 of 27 (permalink) Old 12-28-2003, 09:20 PM
sokoolss
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Question

Hello all,
I've been reading a whole lot(forum posts)and have come up with this setup:

Head:Pioneer DEH-P77DH(Want to fill GM space)
Front:Infinity Kappa Perfect 6.1 6.5" Components(100RMS)
Rear:Infinity REF9603I 6"x9" 3-Way Speakers(100RMS)
Amp:Profile Clarus CL640(110W RMS x 2 @2ohms)

-After reading, I understand that going over the RMS rating, in the amp, by 5 to 10 watts is preffered. Is this correct? Any suggestions?
-How much more stress is put on the amp when wired in parallel?
-I really don't care for extreme bass in my car. I listen to hard rock/heavy metal and prefer more clarity(guitar solos)and tighter bass. The only time I really turn up the volume is on the highway. Will the above speakers suffice? Did I go overboard with the 3 ways in the rear?

Please, any constructive criticism is welcomed. I know nothing about car audio.

Thanks guys
SoKooLss
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post #2 of 27 (permalink) Old 12-29-2003, 08:06 PM
azroadmonster
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Quote:
Originally posted by sokoolss:
Hello all,
I've been reading a whole lot(forum posts)and have come up with this setup:

Head:Pioneer DEH-P77DH(Want to fill GM space)
Front:Infinity Kappa Perfect 6.1 6.5" Components(100RMS)
Rear:Infinity REF9603I 6"x9" 3-Way Speakers(100RMS)
Amp:Profile Clarus CL640(110W RMS x 2 @2ohms)

(1.) -After reading, I understand that going over the RMS rating, in the amp, by 5 to 10 watts is preffered. Is this correct? Any suggestions?

(2.) -How much more stress is put on the amp when wired in parallel?

-I really don't care for extreme bass in my car. I listen to hard rock/heavy metal and prefer more clarity(guitar solos)and tighter bass. The only time I really turn up the volume is on the highway.

(3.) Will the above speakers suffice? Did I go overboard with the 3 ways in the rear?

Please, any constructive criticism is welcomed. I know nothing about car audio.

Thanks guys
SoKooLss
Answers:

(1.) Que? Please elaborate, the question is fairly ambiguous.

(2.) Wiring in parallel or series puts no more/less stress on your amp if the final impedance (ohms) presented to the amp are within it's limits.

(3.) The above speakers should suffice, assuming that you listen to music at 'normal' listening levels.

Hope this helps a little, feel free to ask more questions, though.
post #3 of 27 (permalink) Old 12-30-2003, 01:51 AM
sal16
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you should go with a better amp, go with a good 4 channel that puts out 70rms or more, or just a good 2 channel for the components that does about 75 or more and leave the rear off the deck. as for the components, you might find them lacking in midbass, and theyre being very bright does not help much.
 
post #4 of 27 (permalink) Old 12-30-2003, 06:23 AM
B-Body Builder
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Quote:
Head:Pioneer DEH-P77DH(Want to fill GM space)
Front:Infinity Kappa Perfect 6.1 6.5" Components(100RMS)
Rear:Infinity REF9603I 6"x9" 3-Way Speakers(100RMS)
Amp:Profile Clarus CL640(110W RMS x2 @2ohms)
1st, Let Me Say That I Listen To The Same Type Of Music As You Do! I DONT Do Rap Music and DONT Require The Neighbors To Hear My Body Panels Rattling As I Drive By. I've Allready Been Thru This Whole Senario Of The Type Of Setup Your Looking For And Here's What I Came Up With:

(1). The Pioneer Head Unit Is a Good Choice!
(2). The Kapaa Perfect 6 1/2 Components, Also a Good Choice With Hacks Door Speaker Adaptor.
(Here's The Link And Their Easy To Make)
Hacks 6 1/2" Door Speaker Template
(3). The Infinity Reference 6X9'Speakers Are a "Mis-Match For The KaPaa's In The Front Door.
Rule Of Thumb Is: Try To Match all 4 Factory Speaker Locations With The Same Type and Series Of Speaker. I Suggest You Install The Infinity Kappa 6X9 2 Way's Or 3 Ways In The Rear Deck.
(4). The "Profile Clarus CL640" Amp Is NOT a Good Choice But It Will work For This Setup! Run It At The Rated 75X4 @ 4Ohms If You Choose To Buy It? It's Just a Lower Quality Amp!
All 4 Speakers You Want To Install Are Rated at 4 Ohms and Should Be Run At 4 Ohms, Not 8 Ohms or a 2 Ohm Load (A Series or Parallel Wiring Setup)..... (Their Not Subs and Recommended To Be Run At Their Rated 4 Ohm Load). In Short, You Need a 4 Channel Amp That's Rated a 4 Ohms Per Channel and 50 to 75 Watts Per Channel Will Be Plenty For This Setup (Again, Were Not Driving Subwoofers Here). You Will Get "Decent" Bass Response Out Of The 6X9's For The Low End Fill. Even At 50 Watts Per Channel (What I Have) Your Ears Will Be At The Threshold Of Pain When You Crank It Up! I Also Suggest You Put a Layer of "Dyna-Mat" On The Underside and Topside Of The REAR Speaker Deck Around Your 6X9's Because The Sheet Metal Tends To Vibrate Back There and Annoyed The Hell Of Of Me Until I Did It! Buy a 4 Way Amp With Built In Crossovers (More Important For Your Front Speakers Here). Suggestions For Or 4 Way Amp For This Setup:
(The Key Here Is To Get an Amp With "Variable" Crossovers, Not "Fixed Crossovers).

(1).Alpine MRV-F340 (55 Watts X4 @ 4 Ohms)
(2).Audiobahn A4401T (55X4 @ 4Ohms)
(3).Rockford Fosgate Power 551X (70X 4 @ 4 Ohms)
(4).Autotek SS400.4 (70X4 @ 4Ohms)

Just Remember, The Quality Of The Amp You Choose Is Important Also! The $99.00 "Class A" Amps You See Out Their Are Mostly Junk! Buy An Amp That's At Least Class A/B. All The Amps Listed Above Are Class A/B And Range In Price From $175.00 to $245.00 You Can Find Any Of These Amps For Sale Cheaper On E-Bay Than Say,At Crutchfields.
Try These Links And Check Out The Prices!....Mike
E-Bay - Multi Channel Amps

E-Tronics- Car Amplifiers
post #5 of 27 (permalink) Old 12-30-2003, 07:27 AM
sokoolss
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Thumbs up

B-Body.....you da man!
Now I have even more amps to choose from. I'm gonna try and find a quality 80 Watt RMS amp somewhere. I hope thats enough RMS for those speakers.

Thanks guys
post #6 of 27 (permalink) Old 12-30-2003, 08:46 AM
azroadmonster
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Hey B-Body...

Just curious, why do you capitalize the first letter of each word, it's kinda hard on the eyes.
post #7 of 27 (permalink) Old 12-30-2003, 12:25 PM
B-Body Builder
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Quote:
Hey B-Body...
Just curious, why do you capitalize the first letter of each word, it's kinda hard on the eyes
It's a typing Exercise that was drilled into us in college, I still use it sometimes when I've had too much Coffee! How's this look?

Quote:
Now I have even more amps to choose from. I'm gonna try and find a quality 80 Watt RMS amp somewhere. I hope thats enough RMS for those speakers.
sokoolSS,It's not required that you have an amp that put's out the same or close to the same RMS rating as the speakers are rated at. If a speaker is rated at 100 Watts RMS, This just means that it can handle up to 100 Watts of (Continuous) power from the amp and function correctly. RMS Rating is what the amp puts out as soon as you turn it on (low to 1/3 volume).
Peak power is what the amp puts out at somewhere between 2/3 volume and cranked all the way up on the gain controls in the amp (Not recommended) Simple rule here: Power is not what destroys speakers, Distortion does! If you crank the gain controls on the amp up to full gain, then start turning your head unit up to full volume, your going to get Distortion and fry the speakers! A Common mistake that's made is buying a good set of speakers, then running them with the factory head unit that put's out 10 watts of power! In no time the Internal amps in the factory head unit are peaking and distorting the new set of speakers you just bought and their history! Take the Alpine MRV-F340 Amp i suggested thats rated at 55 Watts RMS. That amp puts out 100 Watts "Peak Power" when the gain controls on the amp are cranked all the way up (Again, Not recommended). If you set the gain controls on the amp to 3/4 Gain MAX, Your gonna get approx 80 Watts of power to your speakers at half volume on your head unit. The Infinity Kapaa speakers will work on as little as 10 watts of power but they prefer to see around 50 watts RMS (Continuous) Power and around 80 Watts Peak power. Also, set the "High-Pass" crossover point on the front speakers (Door) to somewhere between 180hz and 300Hz. This will keep them from being destroyed by Bass frequency's. The 6X9's can handle more Bass but again, their not Subs! you can try them set at "Full Range" but if they are starting to rattle, set the crossover point to somewhere between 70 to 120 Hz. Too sum all this up: Putting an amp that's rated at 55 Watts RMS on the infinity Kappa speakers is a good setup because your leaving yourself some "Headroom" in both the amp and the speakers ratings and not overpowering either one of them! Clean Power = Clean Sound! When you pick an amp out, We'll talk about the power wire size and other cables your gonna need?.....Mike
post #8 of 27 (permalink) Old 12-30-2003, 01:45 PM
sal16
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you dont always have to match front and rear series. especially if you are into sq. you want rear fill to be just that. front stage should be more prominent. class a amps are amaxing for sq, and i doubt you will find one for 99. class a/b is more efficient but not as good for sq and a lot cheaper. the fosgate 551x is a great amp. you should be able to have that amp and all the installation parts for less than 300. i use that amp in numerous installs and it is great.
post #9 of 27 (permalink) Old 12-30-2003, 01:55 PM
sal16
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by the way, if you havent looked at them yet, i'd look at mb quart. these are great speakers not too expensive for reference and discus series. i would get rce216 for front stage and dke169 for rear. you can have all the speakers for about 300 brand new. or if you can go with dse216 instead and save 50 bucks.
post #10 of 27 (permalink) Old 12-30-2003, 06:22 PM
sokoolss
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I purchased an amp on ebay today
Here are the specs:
Audiobahn A6004T 600 Watt Amp-75w x 4 @ 4ohms Grand total with shipping $184.90

OK Mike...talk to me about the wiring. How long should it be, what gauge, etc.

I haven't purchased the speakers yet so I'm still looking at my options. MB Quart was my first choice but they never give RMS ratings so the uncertainty made me look at other name brands. But feel free to give more advice on speakers as well. Should I put 6 x 9's in? Should I just get some components back there as well? Some 6.5" mid bass kickers? Any suggestions are welcome.

Thanks guys
SoKooLss
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