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1999 Chevrolet Blazer
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<blockquote data-quote="gckless" data-source="post: 8174657" data-attributes="member: 635756"><p>Played with T/A tonight! Kinda embarrassed to admit, was my first time actually adjusting T/A. And I think I got it adjusted pretty **** well actually. The auto-T/A on the HU really screwed it up, my driver mid was set at 75" for example. So, I just played around a little, used the distance it set for my driver tweeter as a distance, and just kinda measured the rest with my arm. Played with the distance around where I thought it should be, and eventually nailed it down pretty decent IMO. I really wished I had a dude into SQ here so I could bounce ideas off of him and get feedback.</p><p></p><p>Then I moved to my EQ. Used pink noise this time. I played around for a few minutes, and found a lul at around 100Hz. So, turned off my subs, and here's the graph I have:</p><p></p><p><a href="http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/EA8EE8EC-1899-4C9A-BC8B-56BA0FB1C239-1687-0000016F83ED119E_zpsccebff21.jpg.html" target="_blank"><img src="http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/EA8EE8EC-1899-4C9A-BC8B-56BA0FB1C239-1687-0000016F83ED119E_zpsccebff21.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Turned my subs back up to SQ level (which is a **** hair above 1/4 on my PAC LC-1), and here is my graph as it stands:</p><p></p><p><a href="http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/34F9833F-93C4-4086-A5A0-56505EF49A36-1687-0000016F88B1483A_zpsbdf927b3.jpg.html" target="_blank"><img src="http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/34F9833F-93C4-4086-A5A0-56505EF49A36-1687-0000016F88B1483A_zpsbdf927b3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>I see three problems:</p><p></p><p>- There is a lull at 100Hz</p><p></p><p>- Spike at 150Hz</p><p></p><p>- Spike at 1kHz</p><p></p><p>I'm pretty sure this is all due to installation. There's not a whole lot I can do right now (that I know of). I should be getting my door panels back soon, so hopefully that will solve one or both of the lower frequency anomalies.</p><p></p><p>All in all I'm very happy with it after tonight.</p></blockquote><p></p>
[QUOTE="gckless, post: 8174657, member: 635756"] Played with T/A tonight! Kinda embarrassed to admit, was my first time actually adjusting T/A. And I think I got it adjusted pretty **** well actually. The auto-T/A on the HU really screwed it up, my driver mid was set at 75" for example. So, I just played around a little, used the distance it set for my driver tweeter as a distance, and just kinda measured the rest with my arm. Played with the distance around where I thought it should be, and eventually nailed it down pretty decent IMO. I really wished I had a dude into SQ here so I could bounce ideas off of him and get feedback. Then I moved to my EQ. Used pink noise this time. I played around for a few minutes, and found a lul at around 100Hz. So, turned off my subs, and here's the graph I have: [URL="http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/EA8EE8EC-1899-4C9A-BC8B-56BA0FB1C239-1687-0000016F83ED119E_zpsccebff21.jpg.html"][IMG]http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/EA8EE8EC-1899-4C9A-BC8B-56BA0FB1C239-1687-0000016F83ED119E_zpsccebff21.jpg[/IMG][/URL] Turned my subs back up to SQ level (which is a **** hair above 1/4 on my PAC LC-1), and here is my graph as it stands: [URL="http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/34F9833F-93C4-4086-A5A0-56505EF49A36-1687-0000016F88B1483A_zpsbdf927b3.jpg.html"][IMG]http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/34F9833F-93C4-4086-A5A0-56505EF49A36-1687-0000016F88B1483A_zpsbdf927b3.jpg[/IMG][/URL] I see three problems: - There is a lull at 100Hz - Spike at 150Hz - Spike at 1kHz I'm pretty sure this is all due to installation. There's not a whole lot I can do right now (that I know of). I should be getting my door panels back soon, so hopefully that will solve one or both of the lower frequency anomalies. All in all I'm very happy with it after tonight. [/QUOTE]
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