High End Audio Build - my neighbors are gonna hate me... - Mazda CX3 Forum
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post #1 of 73 Old 12-30-2017, 08:19 PM Thread Starter
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High End Audio Build - my neighbors are gonna hate me...

I'm an audiophile and one of my passions is car audio... Don't confuse this with loud bass that you can hear from a mile away, that is NOT my cup of tea. I like an in-car listening experience that has the detail of a high-end pair of headphones, but can get as loud as a concert!


Just started getting the pieces together for the build:

-Audiofrog tweeters and midbass (active)

-JL Audio TW3 10" (2) subs in a sealed box

-Zapco amps 480watts to front, 1000watts to sub

-MiniDSP to tune, and Fiio X3 hi-res player as the source


With the Fiio as source, the factory audio will be completely bypassed and mostly left functional for phone calls, etc., except for the door speakers.


The entire vehicle will be fully sound deadened with KnuKoncetpz and Soundskinz products.
All wiring will be KnuKonceptz and RCAs will be Stinger 8000 series.

I will be building a sealed sub enclosure out of baltic birch plywood.
The amp rack will be made out of perforated aluminum with LED back lighting.


Amp rack and subwoofer(s) box:








Chopped up the cover to allow it to sit flat on the sub box, then added grills to it:










I made the tweeter pods using pvc fittings, aluminum and wrapped it in vinyl upholstery:










Sound deadened the doors:







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post #2 of 73 Old 12-30-2017, 08:21 PM Thread Starter
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The rest is still a work in progress...



Last edited by DavidRam; 12-30-2017 at 08:24 PM.
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post #3 of 73 Old 12-30-2017, 09:06 PM
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Very impressive David.

like the tweeter angling for optimal imaging.

What holds the pod to the dash ?

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post #4 of 73 Old 12-30-2017, 10:02 PM Thread Starter
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Originally Posted by Craigh View Post
Very impressive David.

like the tweeter angling for optimal imaging.

What holds the pod to the dash ?
Thank you very much!

Yes, getting the tweeters almost on axis and reducing the windshield reflections was high priority for me...

To secure them to the dash, I used a tiny bungee cord that hooks to a random point under the dash! LOL! It's very secure, but still gives me the ability to rotate their direction as needed (or if needed) while tuning...

Btw, I really like the Soundskins sound deadener... It's from your neck of the woods.

Last edited by DavidRam; 12-30-2017 at 10:07 PM.
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post #5 of 73 Old 12-31-2017, 04:52 AM
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Quote:
Originally Posted by DavidRam View Post
I'm an audiophile and one of my passions is car audio... Don't confuse this with loud bass that you can hear from a mile away, that is NOT my cup of tea. I like an in-car listening experience that has the detail of a high-end pair of headphones, but can get as loud as a concert!
OMG! You ARE from California! I am some jealous! That's VERY impressive!

Thank you for all the details ... I was thinking of living with the Bose setup, but now I'm inspired to steal at least some of your ideas. Unfortunately, here in short-summer, primitive Maine we cannot be as detailed as pristine California :--)

When you say "entire car will be fully sound deadened", all four doors ... or doors, plus floor, roof, trunk, etc.?

Again, great write-up, thank you.

2017 CX-3 GT, AWD, i-ActiveSense, Ceramic Metallic, Black ... His: Zoom, Zoom!
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post #6 of 73 Old 12-31-2017, 03:47 PM Thread Starter
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Originally Posted by mainemanx View Post
OMG! You ARE from California! I am some jealous! That's VERY impressive!

Thank you for all the details ... I was thinking of living with the Bose setup, but now I'm inspired to steal at least some of your ideas. Unfortunately, here in short-summer, primitive Maine we cannot be as detailed as pristine California :--)

When you say "entire car will be fully sound deadened", all four doors ... or doors, plus floor, roof, trunk, etc.?

Again, great write-up, thank you.
Thank you very much! I'll update this thread as I get more work done.

When it's done, the sound deadening will cover most areas of the car... As it sits now with just font doors deadened, it is already noticeably more quiet. Deadening the dash area to kill the engine noise will be the next big challenge...
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post #7 of 73 Old 01-01-2018, 04:52 AM
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You certainly did a thorough job on the front doors!
The dashboard, firewall, etc. ... please continue giving us lots of pictures

2017 CX-3 GT, AWD, i-ActiveSense, Ceramic Metallic, Black ... His: Zoom, Zoom!
2016 HR-V EX-L, AWD, Milano Red, Black ... Hers: Putt, Putt.
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post #8 of 73 Old 01-01-2018, 10:21 PM Thread Starter
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You certainly did a thorough job on the front doors!
The dashboard, firewall, etc. ... please continue giving us lots of pictures

Thanks! I'm quite OCD about this stuff...
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post #9 of 73 Old 01-04-2018, 03:29 PM Thread Starter
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I'm working on a faceplate that will hold the Fiio x3 audio player, MiniDSP remot, bass knob and an aux usb port. It will fit in the area in front of the shifter...
I have already removed the 12v outlet, and the cables will run through the opening. I'll rewire the 12v outlet to add a couple more usb ports to power my dash cam, etc.

I made a template and then cut and bent it out of stainless steel:













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post #10 of 73 Old 01-05-2018, 11:51 PM
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Someone has an engineering background ... plus a CNC machine, with a laser cutter, mill, and 3D printer?
He knows what he wants and then goes out and makes it! A maker?

2017 CX-3 GT, AWD, i-ActiveSense, Ceramic Metallic, Black ... His: Zoom, Zoom!
2016 HR-V EX-L, AWD, Milano Red, Black ... Hers: Putt, Putt.
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