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Discussion Starter #1
Hi guys.
My goal is to build a simple sound quality system and try to keep it all hidden and as OEM looking as possible.
The car is a new to me 2014 Mazda 6 Grand Touring Plus that I just got with 37,000 miles.
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Equipment:

HU: Keenwod Excelon DDX9905s with the dash cam. (drv-n520)
Amp/Processor: Zapco ADSP-Z8 IV. Under the drivers seat. The controller will be hidden in the sunglass thingie on the headliner.
Front Speakers: HAT Unity U3 in the corners of the dash (80 watts) and U6x9 2 ohms in the doors (120 watts).
Sub: HAT Clarus 12 in an IB wall. (480 watts)
Sound deadener: The car is pretty quiet compared to my previous daily, so I wont go crazy on this. Will do a basic job on the doors and trunk.

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J.
 

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Discussion Starter #2
Started with the sound deadener on the doors.

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Also added some to the trunk area.

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J.
 

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Discussion Starter #6
Weekend progress.
Got the camera hooked up.
Used tesa tape on the wires and ran it thru the rear view mirror plastic cover.
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Also got the center console done.
The car comes with a usb/aux plug and a charger.

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I got some USB extensions and replaced the OEM ones.
The right ones go into the HU. Top one does AppleCarplay. Bottom one will have a hard drive/usb with music.
The left one will plug into the Zapco. USB for tuning and the aux goes into the aux input on the amp.
The switch with the key is the "I dont trust you with my sound system" switch, which cuts the remote so the amp wont turn on.

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This was my supervisor for the weekend, thats why I had a lot done.

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J.
 

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Discussion Starter #7
Also managed to wire the Kenwood.
Found the workshop manual for the car online, so I repined the harness to get it to work (Reverse trigger and steering wheel controls).

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GPS antena in the OEM location.

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Installed the microphone on the OEM location.

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Bundle of wires with tesa tape.

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HU in.

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HU working.

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J.
 

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Discussion Starter #9
Got the power wire in.

The OEM battery has a fused terminal which has and empty spot with a 60 A fuse that just so happens to be what the Zapco ADSP-Z8 needs.

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So I got a ring terminal and crimped the wire, got a 10 mm nut to hold it in place and used wire loom to make it look oem.

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Used the OEM positive terminal cover and it looks like nothing happened.
In case I blow the fuse, the entire fused terminal is $23 dollars and I ordered a new one just in case.

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Ran the wire into the cabin via the OEM plastic boot.

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Zip tied it in place with the OEM wires.
The run from the battery to under the driver seat is under 6 feet.

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As a side note, I was surprised to see what Mazda did to quiet the floor.

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J.
 

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Discussion Starter #10
Front speakers are in.
Stock bose speakers.
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Old vs new.

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HPDE baffles.

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Wired.

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New home.

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Dash mat in.

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J.
 

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Discussion Starter #11
Door speakers
Used the oem baffle to trace it onto some hdpe cutting boards.

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Got the wires into the door.
The molex plug was a lot of fun. Not.

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Speaker in its new home.

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J.
 

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Discussion Starter #12
Also got some work done on the IB wall.
Took the rear seats out.

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Added some sound deadener and foam.

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Made a template out of some insulation.

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J.
 

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Discussion Starter #13
Transfered the template to mdf.

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Test fit.

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Circle jig to cut the mounting hole.

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Test fit 345.

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Temporary Wiring.

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Test fit 348.

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Stock carpet covering the wall.

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Still need to fix it properly and carpet it.

J.
 

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Please come to this to my car :)

Excellent work and wish I had the time/skills you do because I'd love to do this to mine, except I haul too much crap to be able to give up lowering my rear seats lol.
 

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Discussion Starter #16
Please come to this to my car :)

Excellent work and wish I had the time/skills you do because I'd love to do this to mine, except I haul too much crap to be able to give up lowering my rear seats lol.
Thanks, Byakuya.
Just pay my travel fees from Mexico and Ill do it. LOL.


With all the options out there... why 6x9's? What tweets are you using?
I used to compete in sound quality (both in Mexico and USA) a long time ago and was part of the Hybrid Audio Technologies Team.
When I decided to build a new car, I wanted to use HAT products and in that lineup the Unity 6x9´s do a really nice job as midbass speakers.
The next option was the Legatia line, but its way more expensive.
Im not using any tweeters.
The Unity 3´s are playing from 320 hz and up, the Unity 6x9´s are playing from 320 hz to 80 hz and the sub plays from 80 down.
All using 24 db per octave LR crossovers.
Need to break the speakers in before any tunning, but here´s a quick RTA I got with my phone of the Unity 3´s playing by themselves.

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J.
 
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