How-To: Amplify Door Speakers - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-02-2005
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How-To: Amplify Door Speakers

I recently decided to amplify the door speakers in my truck. I had a pair of Alpine 10" subs, but i just wanted to do something different, so i went ahead with this project. It's not hard at all, i just felt like if there were any questions that anyone has, i maybe could address them now.

1. Start by taking off the door panel to your truck....i'll assume you know how to do this


2. THIS STEP IS OPTIONAL....with the speaker wire you will be using, make sure that you twist it tight...in that, i mean cut the wire to size, stick one end in a drill, tighten it down, have someone else hold the other end, and let 'er rip....it's to block sound distortion/noise...the idea is that the noise can't get around all the bends in the wire, only the clean, amplified sound will come thru, and trust me on this step. Just to see what would happen, i hooked them up w/o twisting, and it wasn't NEARLY as good as WITH the twist...lots better bass


3. Hook up the wire to your speakers with the + and - accordingly. Run the speaker wire thru the rubber grommet connecting the cab to the door...if you need help, you can safely pull the rubber part away from the metal, then run the wire, and pop it back in. Re-install speaker in door.

4. Run your wires according to where your amp is going to be located. I have mine under my driver's seat (see wire diagram below). Make sure to keep speaker wire away from power, rca, and ground wires, as they will add only more engine/ground noise to u're sound

This is just an example of how i ran my wires. You can improvise based on your personal needs, etc...


5. Repeat same process on opposite door.


6. Crank it up and see if everything is working properly. Did you make sure to hook the speakers up in phase? If your tweeters are positional, are they angled towards your ears? Is your amp hooked up correctly? If all the answers are yes, and you are getting a good sound, put the door panels back on and rock out!

I've noticed on some installs that there is speaker noise only evident when the car is turned on, and the whine/noise goes along with the RPM's, this can easily fixed. You will need to buy somthing called a "noise blocker" or something to that extent...$10-$12...its nothing related to the way the wires are ran, it's actually alternator noise coming thru and you can use any set of aftermarket speakers you choose...but i rock Alpine.

my amp


Last edited by KLC; 12-03-2011 at 03:10 PM.
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Old 08-06-2012
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Originally Posted by TippnOver View Post
2. THIS STEP IS OPTIONAL....with the speaker wire you will be using, make sure that you twist it tight...in that, i mean cut the wire to size, stick one end in a drill, tighten it down, have someone else hold the other end, and let 'er rip....it's to block sound distortion/noise...the idea is that the noise can't get around all the bends in the wire, only the clean, amplified sound will come thru, and trust me on this step. Just to see what would happen, i hooked them up w/o twisting, and it wasn't NEARLY as good as WITH the twist...lots better bass
No.

I'm sorry, but this entire paragraph makes me cringe.... there's not a chance that twisting the wire does a single thing to sound quality, bass, or distortion.

Other than that, thanks for the write-up...
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Old 08-06-2012
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No.

I'm sorry, but this entire paragraph makes me cringe.... there's not a chance that twisting the wire does a single thing to sound quality, bass, or distortion.

Other than that, thanks for the write-up...
This x2.
It may actually make it worse. Sound in a wire is an electrical signal. by twisting it a ton, you may actually break the shielding on the wire and cause interference.
Plus, if you could hear the difference from something lower than 120 db(spl) out of a 5x8 speaker that has a range from probably 12k-100. i'd be impressed.
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Old 08-06-2012
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this way def works but why wouldnt you just run the speaker wire to the harness in the back of the stereo that way you dont mess with the door panels and stock wiring to the speaker?
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Old 08-21-2012
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whats the ps2 controller for?
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Old 10-10-2012
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Quote:
Originally Posted by brandontw View Post
No. I'm sorry, but this entire paragraph makes me cringe.... there's not a chance that twisting the wire does a single thing to sound quality, bass, or distortion. Other than that, thanks for the write-up...
Quote:
Originally Posted by StxDangerRanger View Post
This x2.
It may actually make it worse. Sound in a wire is an electrical signal. by twisting it a ton, you may actually break the shielding on the wire and cause interference. Plus, if you could hear the difference from something lower than 120 db(spl) out of a 5x8 speaker that has a range from probably 12k-100. i'd be impressed.
Can’t say absolute that twisting the wire will do anything for the speakers but I will try it out WHEN I get to my install.
As an Amateur Radio Operator I do twist the power wires together (10 turns per inch) and why is that done… to reduce noise interference.
So this could do something for the speakers, how much I do not know but to just say that it adds to interference I don’t think so.

Do it IF you think it will help and do not use old wire so the shielding will not crack.

Also, audio wire and automotive wire should have a soft pliable coating or sheathing, if your using wire that has a hard or stiff coating don’t use it get higher quality automotive or proper audio wiring not household wire from the local hardware store.

TippnOver,
Thanks for the write up it was interesting to hear how someone else does it and what to look for.
Also, by the speakers being “In-Phase” are you referring to positive and negatives on both speakers being the same ?
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