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How to measure if a OEM signal is full range? (trying REW and LOC)
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<blockquote data-quote="smoka" data-source="post: 8654560" data-attributes="member: 606721"><p>I have a 15 Durango with no amplifier. I'm trying to see if the tweeter signal is full range (tweeter has a cap on it). My big question is can I run my DSP straight from 2 channels off the OEM headunit or do I need to run all 6 speakers back to a JL FIX82 in order to get a good signal to my DSP?</p><p></p><p>This is my first time messing with REW. The results are strange. I'm using my laptop with a LOC converter hooked up to the signal right before the pass side tweeter.</p><p></p><p>Here is my laptop with the REW pink noise generating output looped to the mic input. (I'm assuming this would be the perfect full range signal I'm looking for?)</p><p><img src="https://i.imgur.com/vFwypfB.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Here is the signal hooked up to the LOC but the music is paused.</p><p><img src="https://i.imgur.com/n3DWndq.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Here is what it looks like with pink noise through the car headunit.</p><p><img src="https://i.imgur.com/5J34PaX.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Just for kicks here is rock music from the radio.</p><p><img src="https://i.imgur.com/IQzbklG.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>My question. Is this signal full range? Is there any need to use a JL Audio Fix 82 to fix the signal before my DSP?</strong></p></blockquote><p></p>
[QUOTE="smoka, post: 8654560, member: 606721"] I have a 15 Durango with no amplifier. I'm trying to see if the tweeter signal is full range (tweeter has a cap on it). My big question is can I run my DSP straight from 2 channels off the OEM headunit or do I need to run all 6 speakers back to a JL FIX82 in order to get a good signal to my DSP? This is my first time messing with REW. The results are strange. I'm using my laptop with a LOC converter hooked up to the signal right before the pass side tweeter. Here is my laptop with the REW pink noise generating output looped to the mic input. (I'm assuming this would be the perfect full range signal I'm looking for?) [IMG]https://i.imgur.com/vFwypfB.jpg[/IMG] Here is the signal hooked up to the LOC but the music is paused. [IMG]https://i.imgur.com/n3DWndq.jpg[/IMG] Here is what it looks like with pink noise through the car headunit. [IMG]https://i.imgur.com/5J34PaX.jpg[/IMG] Just for kicks here is rock music from the radio. [IMG]https://i.imgur.com/IQzbklG.jpg[/IMG] [B]My question. Is this signal full range? Is there any need to use a JL Audio Fix 82 to fix the signal before my DSP?[/B] [/QUOTE]
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How to measure if a OEM signal is full range? (trying REW and LOC)
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