Component crossover placement

jerrygp

Member
:
2007 Mazdaspeed 3, Mica Blue
I have an 2007 MS3 and am wondering where to mount the crossover for my Hertz ESK 570 components I am installing in the front door? There doesn't seem to be room behind the door panel and I hate having to mount it under the dash and then run two wire pairs back into the door panel for the tweeter and the 5x7. One wire pair is bad enough. Any placement behind the door panel work for anybody?
 
I personaly ran two pairs of wires through each door, one for the woofer, one for the tweeters, and my crossovers are under the seats (one on each side).
 
I have an 2007 MS3 and am wondering where to mount the crossover for my Hertz ESK 570 components I am installing in the front door? There doesn't seem to be room behind the door panel and I hate having to mount it under the dash and then run two wire pairs back into the door panel for the tweeter and the 5x7. One wire pair is bad enough. Any placement behind the door panel work for anybody?

There was a guy on this forum that had the same problem. So he put the crossovers down in the map holder area. They would be vulnerable to anything that might spill from the cupholder, and they'd stick out slightly. There's an area inside the door that is lined with foam under the armrest. Have you considered cutting into that and putting your crossovers there?
 
A stereo install shop in town told me they put them inside the door cavity just under the oval speaker opening and use one screw to the metal panel with some isolation tape to prevent vibration. I have one installed and it's out of the way and pretty slick.
 
A stereo install shop in town told me they put them inside the door cavity just under the oval speaker opening and use one screw to the metal panel with some isolation tape to prevent vibration. I have one installed and it's out of the way and pretty slick.

I would stay away from this solution because of the moisture that builds up in the doors. I have driven my car without the door trim panels when I was working on my setup, and holy cow there is a lot of water that gets down in inside the door when it rains. Car speakers are usually design to withstand that, by I wouldn't recommend putting the crossovers inside the doors.
 
I would stay away from this solution because of the moisture that builds up in the doors. I have driven my car without the door trim panels when I was working on my setup, and holy cow there is a lot of water that gets down in inside the door when it rains. Car speakers are usually design to withstand that, by I wouldn't recommend putting the crossovers inside the doors.

The last crossovers I had inside a door were sealed in plastic wrap. Never had a problem in the 170K I drove with them.
 
The last crossovers I had inside a door were sealed in plastic wrap. Never had a problem in the 170K I drove with them.

This depends a great deal on how much power they are expected to handle. They need to be able to vent heat.

The system I did in my 2004, I disassembled the crossovers and mounted the tweeter components in the sail panel. The woofer components were glued to the inside of the door right next to the woofer. I sprayed the finished product with a little clear silicon sealant to protect from excess moisture.
 
The water that gets into the doors is on the 'outside' of the door-and that's sealed off from the 'inside' pretty well from the factory. Prior to mounting my crossovers, I did a test with colored paper mounted to the inside area of the door panel-then drove the car into one of those automated car washes. After six full washes, nothing on the 'inside' of the door panel was wet. I mounted all four of my crossovers on the door panels. No problems.

In addition, if water truly did get to the 'inside' of the door panel-what would keep the panel from rotting/soaking through?
 
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