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2019 GT1 AWD Audio Build Log

mfenske

Member
72
27
18
Portland, OR
Decided that I'm finally comfortable with car enough to start ripping it apart and begin upgrading the audio system. I stole a lot of what I learned from @andrew tay and @WildBill The first phase is to swap out the factory door speakers on the Harman system. The goal is to use the following drivers:

Since I live in the Pacific NW of America rain is definitely a given so I decided that I'd use non-wood baffles mounts where possible to avoid rotting. I started this morning by popping the door off (three screws behind three trim pieces)
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Here's what it looks like with the panel off:
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The midrange are mounted on the door card and fortunately the Faitals fit right over the factory location. There were a few threads stating they were 3" and others that they were closer to 2.5". I got lucky in that the 3" Faitals bolt right up and I'll probably throw some sound deadning material around the edges to (hopefully) eliminate any backwaves. Here's the OEM vs the Faital
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I decided that if I popped out the factory tweeter mount it would likely fit better. I also went ahead and followed the suggestions of the forum and removed the felt from the holes by using a needle-nosed pliers. Bent those little tabs back and removed it.
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Next I drew out a rough shape on 1/8 ABS plastic sheet to make a tweeter mount. Did a little cutting with the jigsaw and luckily the 1 1/2" holesaw bit I had was nearly perfect for the tweeters. Once I was happy with the shape and fitment (after smoothing it a bit with a file) I busted out the flush trim router bit to make a clone for the other side.
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Here's what the tweeter looks like on the mount (used a little CA glue to secure it)
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Tweeter installed in the car. This is how far I got today and will resume tomorrow and post photos with progress.
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Last edited:

mfenske

Member
72
27
18
Portland, OR
Made a little more progress yesterday after a few brain-fart related errors on Sunday (one of which was using the flush trim router on the wrong side of the template so the circles weren't perfect-GRRRR). Anyhow, the new speakers (doors at least) are all in now and sound pretty good. I was hoping that they were less efficient than the OEMs and it appears they are-which is good now it's not so loud at lower volumes. I'm confident that as I add amps/processors it will really wake up. I'll move on to the center channel soon.
 

mfenske

Member
72
27
18
Portland, OR
Got the center channel in (Boston Acoustics RC41 that I've had since High School). Used the factory center as a template to transfer to 1/4" ABS (wouldn't recommend ABS-Starboard/HDPE is better), trimmed it a bit to get proper fit, shaved some material from the underside of the factory grille, and it fits like a glove! Haven't listened a ton but sounds pretty good so far.

Now I'm getting the bug to add amps/processors/subwoofer
 
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