2011 Terrain aftermarket audio system...Finished - Page 5 - TerrainForum.net: GMC Terrain Forum
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post #41 of 47 (permalink) Old 06-24-2019, 06:50 PM
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Those are a nice add, but way above my paygrade. Look forward to seeing which way you go with this.
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post #42 of 47 (permalink) Old 06-25-2019, 01:52 PM Thread Starter
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Quote:
Originally Posted by ErickSaint View Post
Those are a nice add, but way above my paygrade. Look forward to seeing which way you go with this.
Thanks,still gotta figure out what I'm doing for tweeters.Once I figure that out I can make the rings and mount them to the pillars.Never did this before so I'm sorta nervous but excited at the same time.Good thing is we'll be using the spare pillars so that sort of takes pressure off to do things perfect.
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post #43 of 47 (permalink) Old 07-16-2019, 08:13 PM Thread Starter
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Got the rings all cut,beveled and glued together.I just made a circle jig myself out of some plastic I had laying around.

Learned my lesson about buying Chinese garbage router bits off Amazon.Broke 2 of them cutting the first few rings.I don't think they handled the heat real well.Took a trip down to Add Hardware and got a real bit finally.


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post #44 of 47 (permalink) Old 07-16-2019, 08:15 PM Thread Starter
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Perfect fits for the silver trim ring that comes with the GB's but a little loose on the Seas tweeters.Just going to shim something inside to hold them firmer.There's a screwhole in the back of them so the real mount will be a backstrap attached to the ring.


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post #45 of 47 (permalink) Old 07-16-2019, 08:17 PM Thread Starter
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Just going to keep the actual mounting simple and aim them around 45 degrees into the interior.If I did them totally on axis it would be too large and bulky.

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post #46 of 47 (permalink) Old 07-17-2019, 11:39 PM
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Nice start. I usually do a couple passes if doing a plunge cut like that. Looks like that jig worked fine. That's taking up a ton on real estate already, you're right it would be out over the cluster if you did an axis mount.
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post #47 of 47 (permalink) Old 07-18-2019, 11:58 AM Thread Starter
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I'm still considering separating the rings and mounting them apart.Maybe doing the tweeter on axis and the GB at 45 degrees.I measured the tweeter on axis and the raw response(no EQ) is great.In the picture below you'll see the comparison.The red line is the response from the stock location behind the grille and the green line is the same tweeter outside of the grille on axis.It's a major difference!

Plus separating the rings like I mentioned would take up less real estate.


Last edited by JH1973; 07-18-2019 at 12:00 PM.
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