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<blockquote data-quote="Gary S" data-source="post: 1894056" data-attributes="member: 568291">It&#039;s my understanding that those additional tweeters are supposed to help with imaging by raising the soundstage.Here is the idea... in most installs, the front satellite speakers are optimally installed low in the kick pannels... in practice, you get a rainbow effect with this low speaker placement... when a sound is only heard in one speaker on one side, the sound &quot;drops&quot; toward the floor... naturally... that&#039;s where the speaker is located!The add-on tweeters are supposed to lift the extreme left and right ends of the soundstage up closer to eye or dash level.... because most of the highest frequencies are in stereo, this allows you to use only tweeters to accomplish this.It&#039;s really pretty simple how it works... the second sound you hear from the add-on tweeters fools your brain... you think all the sound came from the direction of the high mounted add on tweeters.The results are going to be highly dependent on speaker placement and aiming, and may vary widely from install to install.I don&#039;t know how well it will fix rainbow effect with door mounted speakers... might work better for kick installed components. Anyway, for best results, aim them at the windshield so that the apparent sound coming from the imaging tweeters seems to come from the front windshield between the driver and passenger... not from the pillars or doors.</blockquote>

[QUOTE="Gary S, post: 1894056, member: 568291"] It's my understanding that those additional tweeters are supposed to help with imaging by raising the soundstage. Here is the idea... in most installs, the front satellite speakers are optimally installed low in the kick pannels... in practice, you get a rainbow effect with this low speaker placement... when a sound is only heard in one speaker on one side, the sound "drops" toward the floor... naturally... that's where the speaker is located! The add-on tweeters are supposed to lift the extreme left and right ends of the soundstage up closer to eye or dash level.... because most of the highest frequencies are in stereo, this allows you to use only tweeters to accomplish this. It's really pretty simple how it works... the second sound you hear from the add-on tweeters fools your brain... you think all the sound came from the direction of the high mounted add on tweeters. The results are going to be highly dependent on speaker placement and aiming, and may vary widely from install to install. I don't know how well it will fix rainbow effect with door mounted speakers... might work better for kick installed components. Anyway, for best results, aim them at the windshield so that the apparent sound coming from the imaging tweeters seems to come from the front windshield between the driver and passenger... not from the pillars or doors. [/QUOTE]

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