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      11-11-2019, 06:44 AM   #23
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Now the only mystery to solve is whether the 2019s had acoustic in the fixed rear doors windows, and if not, that explains (some) of the price increase.
They did, my markings are the same as yours.
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      11-12-2019, 07:37 PM   #24
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They did, my markings are the same as yours.
Oh ok, didn't realize you had a 2019. So case is solved.

6 acoustic windows+windshield, and no change from 2019 to 2020 other than the price increase.
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      11-13-2019, 03:12 PM   #25
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In my opinion it’s an option worth getting
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      11-16-2019, 01:30 PM   #26
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Something to consider with the acoustic glass option is the annoying tire noise from the 22" tires. The interior is noticeably quieter with the acoustic glass but now I can hear all of the tire noise which is normally masked by wind noise, etc. The Conti's make a really annoying ringing thump on highway expansion joints and have a very low rumble to them, I'd guess the frequency to be 45 hz or lower. https://www.szynalski.com/tone-generator/ If your speakers can go that low.
I am in the process of getting replacing the wheels/tires because of the noise and will try to get some dB readings before and after.
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      11-16-2019, 01:45 PM   #27
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Originally Posted by Thumbs View Post
Something to consider with the acoustic glass option is the annoying tire noise from the 22" tires. The interior is noticeably quieter with the acoustic glass but now I can hear all of the tire noise which is normally masked by wind noise, etc. The Conti's make a really annoying ringing thump on highway expansion joints and have a very low rumble to them, I'd guess the frequency to be 45 hz or lower. https://www.szynalski.com/tone-generator/ If your speakers can go that low.
I am in the process of getting replacing the wheels/tires because of the noise and will try to get some dB readings before and after.
Classic problem with human audio-visual perception and audio-video gear — the better the gear, the worse everything looks and sounds :-). Seems to apply to acoustic glass as well, it seems.
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      11-16-2019, 04:22 PM   #28
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Quote:
Originally Posted by Thumbs View Post
Something to consider with the acoustic glass option is the annoying tire noise from the 22" tires. The interior is noticeably quieter with the acoustic glass but now I can hear all of the tire noise which is normally masked by wind noise, etc. The Conti's make a really annoying ringing thump on highway expansion joints and have a very low rumble to them, I'd guess the frequency to be 45 hz or lower. https://www.szynalski.com/tone-generator/ If your speakers can go that low.
I am in the process of getting replacing the wheels/tires because of the noise and will try to get some dB readings before and after.
Classic problem with human audio-visual perception and audio-video gear — the better the gear, the worse everything looks and sounds :-). Seems to apply to acoustic glass as well, it seems.
The quieter cars get the more little things we notice. my sunroof, for example has a slight rattle that's maddening. I'm going to see if it can be fixed but knowing how that went with my Audi years ago probably not
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      11-16-2019, 09:17 PM   #29
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The quieter cars get the more little things we notice. my sunroof, for example has a slight rattle that's maddening. I'm going to see if it can be fixed but knowing how that went with my Audi years ago probably not
This is so true, I have rode and driven a few Tesla vehicles and if you can't live with rattles, squeaks and other things DO NOT GO EV... LOL It will make you mad, or just have the volume up enough to off set the noises.
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      11-16-2019, 10:53 PM   #30
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Originally Posted by AndroidRobot View Post
The quieter cars get the more little things we notice. my sunroof, for example has a slight rattle that's maddening. I'm going to see if it can be fixed but knowing how that went with my Audi years ago probably not
This is so true, I have rode and driven a few Tesla vehicles and if you can't live with rattles, squeaks and other things DO NOT GO EV... LOL It will make you mad, or just have the volume up enough to off set the noises.
I have the Bowers and Wilkins sound system, it sounds the best loud, and/or with minimal/no background noise so acoustic glass helps a lot. I used felt tape everywhere possible to prevent rattles in my X5
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