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DIY Guide: Mounting an Amplifier



Mounting an Amplifier to your rear seats



The back of the Clio rear seats aren’t solid, therefore they need to be modified to be able to attach an Amp. The method used when writing this guide worked very well, and took me approximately 1.5 hours to complete.
This was done in my Mk2 Ph1 172 Clio.
STEP ONE
First of all you need to cut the sheet of MDF so that it is slightly larger than the Amp you are going to attach to it. 1inch bigger all the way round should be fine. Once you have cut it to size, use some coarse sandpaper to round off the sharp edges so they won’t damage the seat’s backing cloth.
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STEP TWO
Unzip the backing cloth from the rear seat. The zips are hard to find because they are folded inwards, they are located in the bottom left corner of the seat. You will have to hook the backing over the seat bracket in the bottom right corner. Now grab your cut MDF and position it where you would like the Amp to be, folding the seat forward will make this easier. With a pencil, mark out where the wire supports in the seat are in relation to the MDF.
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STEP THREE
Now you need to drill 2 holes where all the lines you drew meet. I used a 6mm drill piece to ensure the zip ties would go through easily. Drill the holes diagonally across the marks; this is where you will feed the zip ties through.
Stage3.gif

Stage3-1.gif


STEP FOUR
Line up the MDF with the rear seat so that the marks like up with the wire supports in the seat. Grab a zip tie and feed it through one of the holes in the MDF, then diagonally across and under the wire support and back through the wood. Don’t tighten it up fully yet. Repeat this for all of the other holes, and then slowly tighten each zip tie up until the wood is secured.
Stage4.gif
Stage4-1.gif

STEP FIVE
Zip up the rear panel of the seat. Feel where the MDF is, and position your Amp over it. Mark out where the screws will be to hold the amp down with a piece of chalk (for dark fabric). Drill a small pilot hole in each location the screws will be, going straight through the fabric and the new MDF backing. Then all that’s left is to screw the amp into position, and you’re all done!
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Last edited:
  Audi TT 3.2 V6
well done fubar. i shall be trying this myself next weekend. could do with a mod adding this to the articles section or stickying it :)
 
  E87 118i
thats great, thanks for the info and pics, just what I need for my (possible) 2nd amp.
 
  RenaultSport Clio 172 Mk2
Nice one, looks a good job. Couple of dumbass Q's though:

What did you use to round the edges of the drilled holes slightly with the funny pattern? A larger drill bit?

How did you tighten up the ties fully if the ends are hiding behind the mdf?
 
  Audi TT 3.2 V6
just followed ur guide, was brill and gives great results. my mdf wasnt as neat as urs...but figured it doesnt really need to be as long as the edges are smooth.

cheers mate. job well done
 
The Bear said:
Nice one, looks a good job. Couple of dumbass Q's though:

What did you use to round the edges of the drilled holes slightly with the funny pattern? A larger drill bit?

How did you tighten up the ties fully if the ends are hiding behind the mdf?

I used a larger drill piece to bevel the edge of the hole so the sip tie would fit better. The pretty pattern was just a fluke.

To tighten up all the zip ties, simply tighten the top ones first with a pair of pliers to grip the end of the tie. The bottom ones are easy becuase the tie's are hanging out the bottom of the wood. Then just cut off the excess zip tie.

/Dan.
 
there already is a guide, however it doesnt detail how f**king hard it is using 4gauge cable! lol

i did this on saturday and ended up making my own hole and gromet, loads easier with the 4gauge.
 
Last edited:
leave the original grommet alone, dont touch it.

get a drill and drill a hole just below the existing grommet. Then go to Maplin's and buy another grommet for your new hole.
 
  As father and son....
just bought a new headunit, amp and 6x9s so ill be trying this out thanks for the great guide keep upt he good work :)
 
richard691 said:
but its metal to drill through?

yup, its 3mm thick metal, covered in 20mm thick soundproofing.

its easy to drill through. It sounds daunting, but its very easy.
 
  Polo + Micra
fUbAr said:
there already is a guide, however it doesnt detail how f**king hard it is using 4gauge cable! lol

i did this on saturday and ended up making my own hole and gromet, loads easier with the 4gauge.

thats why i used multiple runs of 8 a.w.g:mad:

and it was also free from work:D
 


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