Hi, last year I did a complete stereo installation in my 2005 Focus MK2. I am from Norway, so please excuse the bad english :) And the metric system :)
I was very dissapointed with the sound quality in the car. The Head-Unit, Ford CD6000 suffer from a combination of poor dynamic resolution and lack of power - resulting in very bad sound quality. Even replacing it with the cheapest aftermarket cd-players will give you a great improvement in sound quality.
I started with a plan on only change the head unit, but somehow it really took off. It ended with a complete stereo installation, including reinforcing the electrical system and sound dampening. At the same time I wanted to make the installation not showing - except for the head unit.
I wanted to have good bass, 2x12" woofers in the back, but I use the space there on occasion, so the box had to be easily removed.
The choice of components where made of good buys at the time - and Infinity is an old favourite of mine.
Start of with some pictures of the finished installation:
Schematics showing stereo components and electrical reinforcements:
aktiv deling: Means 3-way Active Network, it means that crossover for
each speaker are built in the cd-player and can be adjustet on the unit.
It also require that you have one dedicated amplifier channel to each
speaker, except for the woofers in this case - as they preferable are
driven in mono. The benefit are that you can adjust many more sound
parameters. The unit also includes auto set up (with included
microphone) for soundlevels, speaker distances, equlizer and crossover
parameters - if you don't want to do it manually)
Original sizes shown in parentheses.
First: tweeters and woofers in the front doors:
I started with checking the size of the stock tweeters, the panels they are built in to, are easy to take off:
Just a little photoshop trick to show 3 versions of one panel :)
With these measurements, (and for the woofer) I startet looking for a
2-way component speaker system. Not to many systems describes the size
of their tweeters in specs on the internet. But I was happy to find the
Infinity Kappa Perfect 6.1 system - meeting the requirements - both in
size and good reviews.
Using rubber tape to make perfect fit (I used some hot glue too)
Like a gloove :)
Next, the woofers
To remove the inner door trim panel, there are 2 bolts hidden behind the lower part of the grab handle, the rest are retaining clips and disconnecting of electrical connectors. Using Haynes Workshop Manual will be helpful.
No screws - strange way of fitting speakers...
I measured the height of the adapters:
I used pliers to help remove the speakers:
Backside of the stock speakers:
I found speaker adapters on Ebay that fitted well:
Now it was possible to measure max depth for the woofer, I lowerer the window to "worst case scenario" :
There was still some air between the inner trim panel and the speaker, using only the adapter - I had to build the adapter higher to get a perfect fit:
At this point I had not decided on which head unit to buy. I decided to place the included crossovers somewhere in the dash. With that in mind, I decided not to use the original speaker wiring, And increasing the size of the wiring will benefit sound quality.
Getting the wiring to the dash was difficult, I ended up using the rubber-hose and going through some holes that was not in use.
The wiring connected to the crossovers in the dash. Later when I chose to go for 3-way active network and amplifiers - these where not used.
For a while, I used these speakers with an old Pioneer 4x50W cd-player - and the sound was truly fantastic, compared to the old system. I really loved how easy it was to work on the Focus. And I began thinking of using amplifiers and maybe getting a subwoofer.
Fascia and wiring loom was bought on Ebay - uk sellers.
As mentioned, I was really happy with the new stereo installation. But thoughts on how it would sound with a couple of amplifiers and a good subwoofer kept me thinking. I have not installed such a stereo system in a car before, and almost all installations I have seen, have left the luggage compartment close to unusable. And I did'nt want this.
After a lot of thinking and searching on the net, I came up with a solution that would give me both high sound quality and a luggage compartment to use.
All those car-stereo places I visited, mentioned the big improvement in sound quality - with sound dampening.
My Focus had a really big problem with road noise, even with summer tires, it's a big problem. And in the winter season I use these tires:
Better sound quality and lowered road noise - yes I wanted that!
So taking apart the interior next, starting with the most important, the front doors:
Draining channels in the bottom of the doors were close to not function, because of this slimy goo, it smelled too. All the doors had the same problem. No wonder car doors rust at the bottom. Properly cleaned:
The sound damping mats I used, I bought from a local shop, they are heavy. About 3kg/sq.m. In total I used 16 sq.m - a total of almost 50kg. Very easy to work with, just remember to clean surface properly.
Put on multple layers behind the speaker:
The inner panel:
Taking the doors apart are easy, but using the Haynes manual is recommended. I lubricated all the moving parts I coud reach. The locking mechanism and power windows working as smooth as ever. And the feeling and sound of closing the doors!!! No more "boiiing" bucket sound when closing doors - more like an old luxury car with a elegant low click. And you can barely hear the central locking operate - I now have to look at the blinking lights to ensure the car locks when using the remote.
Back doors getting the same treatment:
Just by doing this, the road noise were significant lowered. The sound quality improved too - especially to a tighter, harder bass - just how we like it :)
Back to the sound dampening, as expected there was very little sound dampening installed. The roof:
The luggage compartment, the wheel housing without any sound dampening - no wonder my car is noisy :)
Sorted - with multiple layers especially on the wheel housings:
I used the opportunity to improve the lighting here too - white LEDs on both sides:
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