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Car Audio Discussion
General Car Audio
Car Audio Speaker Frequency Response graph, or lack of..
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<blockquote data-quote="keep_hope_alive" data-source="post: 8295696" data-attributes="member: 576029"><p>yep. response on-axis in a test enclosure is only useful for comparing one driver's capabilities vs. another but what you really want is off-axis response graphs for woofers and tweeters to help you predict response in a car. and the test enclosure would need to be an actual car door measured in an actual car. cars are difficult environments for a 2-way system simply due to the roll-off of the woofer happening before the tweeter can take over. a lot of systems have a gap between 1k-4k.</p><p></p><p>put a woofer in an untreated door, behind the stock grill, and measure the response at the headrest and you won't get anything close to what an on-axis reference graph will be.</p><p></p><p>successful car audio actually requires a much more detailed approach to acoustics and speaker building... even though very few people actually know that.</p><p></p><p>as mentioned, Hertz has response graphs and is Klippel verified.</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 8295696, member: 576029"] yep. response on-axis in a test enclosure is only useful for comparing one driver's capabilities vs. another but what you really want is off-axis response graphs for woofers and tweeters to help you predict response in a car. and the test enclosure would need to be an actual car door measured in an actual car. cars are difficult environments for a 2-way system simply due to the roll-off of the woofer happening before the tweeter can take over. a lot of systems have a gap between 1k-4k. put a woofer in an untreated door, behind the stock grill, and measure the response at the headrest and you won't get anything close to what an on-axis reference graph will be. successful car audio actually requires a much more detailed approach to acoustics and speaker building... even though very few people actually know that. as mentioned, Hertz has response graphs and is Klippel verified. [/QUOTE]
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