Question about Alphasonik (PMA640A) Car Audio Amplifier

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What is the very best way to wire 3 sets of speaks and 2 subs through a 4 ch. amp and a 2 Ch. amp.?Thank you, Paul

I have a 2002 Volvo C70 convertible and I have put in an aftermarket car stereo and I need to know the best way to wire it because I have tried several ways and its still not the best way, I am sure. I want the most power I can get from these components with the cleanest sound possible. What is the best way to wiring my car stereo so that it sounds the very best possible. It has a clarion double din 385 head unit, a pair of Cliff design 5 1/4 component in the front doors and matching tweeters in dash. also in the lower half of the door are 8"inch, Oxygen Audio Technology Audio Air2 3-way speakers. the rear panels have Rockford Fosgate power series 6.5". There are 2 10 Audio Pipe subs in the trunk. The main Amp is the new 4 channel 1600 watt. Ground Pounder made by Crunch. and a 600 or 700 watt 2 channel MA AUDIO amp...? How do I wire the very best way? Thank You, Paul von

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  • paulvon13 May 27, 2009

    Hello Hoyzee,

    Thank you so very much for the help.... I am not down on all of the lingo. Therefore; if you could be so helpful and send me a quick drawing of where the speakers wires should go I would Greatly appreciate it....

    Thank you,
    Paul


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Ummmm Im gonna give this a try-If it were me i would run the 4 channel ground pounder on the doors and rear panels -the front 2 channels run the component set exclusively at 2 ohms per channell and run the 8 inch 3 ways in parallel with the rear deck speakers for a combined load of 2 ohms per channel on the rear channells-naturally the 8 inchers and the 6.5's are going to be able to handle a little bit more bottom end than the component set so you can feed a little more midbass to those rear channels- I dont know the resistance of the coils on your subs or the model of the MA amp you are using but if you can throw 600 or 700 on your subs that should be sweet enough- hope its not a waste of your time or maybe you already tried it set up that way-good luck though

Posted on May 27, 2009

  • hoyzee1 May 28, 2009

    Hi there okay first of all starting with the component set-does it have a passive crossover network that comes with it or does the tweeter just have a capacitor that filters out the bass/midrange? You should have a passive crossover that came with it if so hook it up normally one set of wires to the tweeter and one set of wires to the midrange- the front r/l channels wire up to the inputs on the crossovers-are ya with me so far?If the component set did not come with a crossover then no biggie theres a crossover on the amp-if thats the case then run your speaker leads from the amp front channells to the doors at this time you will want to thread the speaker wires from the tweeters in the dash down to the doors as neatly as possible-at this junction you will attach the leads from the amp to the midrange(component) and you simply attach the tweeter to the component + goes to + and - goes to - that is called parallel wiring. how it affects your amplifier is that it lowers the resistance that the amp has to push against which increases the power output as more current is allowed to flow. Now that you have wired up your component set to the front left and front right channells of the amp you can address the 8 inchers and rear speakers- These you are going to wire up almost identically except you will connect to the rear left and right channels of the amp- Run your speaker leads to the front doors just as you did with the previous wires for the components and connect them to the 8 inchers - do what you must to keep it neat and when your done with that part put your doors back together again -your done with that part- Moving on to the rear speakers just run a set of wires to the rear panels and get that all hooked up nd now you should have 4 sets of loose wires leading to the amplifier- 2 sets from the left and 2 sets from the right You want to connect those sets from the left in parallel(++ --) and connect the parallelled wires to the left rear channel of the amp -do the same for the right your mids and highs are now all connected to the amp-set the crossovers on the amp to high pass(HP) set the frequency for the front component speakers at around 100 HZ set the frequency for the rear channels to about 65- 80 HZ set all gains to halfway turn off any bass boost features and it should pump out some loud clean sound.If the components get a little muddy sounding turn the frequency of the crossover up a little bit and see if it filters out the mud- same with the 8 inchers and rears adjust the crossover until it sounds right to you-at this point you are running your amp at 2 ohms which delivers all the power that the amp is rated for. I am sending a simple diagram on parallel wiring -which i found by searching for "parallel wiring" and theres a lot of step by step places that break it down for you if you want to gain that knowledge-good luck-let me know if you have any questions







    Parallel

    2 x 4 Ohm speaker = 2 Ohm load
    2 x 8 Ohm speaker = 4 Ohm load
    2 x 16 Ohm speaker = 8 Ohm load




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