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Car Audio Help
Wiring, Electrical & Installation
tweeters blowing? need some advice please!
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<blockquote data-quote="Ckblood05" data-source="post: 8618416" data-attributes="member: 674350"><p>yea i could do that. i mean the stereo puts out 50watts x 4. then run the front 5x7's off 2 channels of the amp and the tweeters on the other 2 channels of the amp. i could give it a try.</p><p></p><p>i was reading on a site- <a href="https://geoffthegreygeek.com/calculator-speakers-in-parallel/" target="_blank">https://geoffthegreygeek.com/calculator-speakers-in-parallel/</a></p><p></p><p>theres a ohms calculator down the page a little. i put the ohms of the 2 speakers on each channel, the 5x7 being 4 ohms &amp; the tweeter being 8 ohms &amp; it said together it makes 2.7 ohms. and that one speaker gets more power than the other. it says (If the speakers wired in parallel each have a different impedance, the lower impedance speakers will draw more than the higher impedance speakers.)</p><p></p><p>so the 4 ohm speaker (the 5x7) is getting 67% of power &amp; the 8 ohm speaker (the tweeter) is getting 33% of the power.</p><p></p><p>so thats crazy! i mean if the tweeter was getting most the power i could maybe understand. but the tweets are only getting 33%??? at 2.7 ohms the amp would put out about 77 watts a channel. because its 90 watts @ 2 0hms &amp; 70 watts @ 4 ohms. so i figure 2.7 ohms would be about 77 watts. plus i only have the gains on the amp at half way!!</p></blockquote><p></p>
[QUOTE="Ckblood05, post: 8618416, member: 674350"] yea i could do that. i mean the stereo puts out 50watts x 4. then run the front 5x7's off 2 channels of the amp and the tweeters on the other 2 channels of the amp. i could give it a try. i was reading on a site- [URL="https://geoffthegreygeek.com/calculator-speakers-in-parallel/"]https://geoffthegreygeek.com/calculator-speakers-in-parallel/[/URL] theres a ohms calculator down the page a little. i put the ohms of the 2 speakers on each channel, the 5x7 being 4 ohms & the tweeter being 8 ohms & it said together it makes 2.7 ohms. and that one speaker gets more power than the other. it says (If the speakers wired in parallel each have a different impedance, the lower impedance speakers will draw more than the higher impedance speakers.) so the 4 ohm speaker (the 5x7) is getting 67% of power & the 8 ohm speaker (the tweeter) is getting 33% of the power. so thats crazy! i mean if the tweeter was getting most the power i could maybe understand. but the tweets are only getting 33%??? at 2.7 ohms the amp would put out about 77 watts a channel. because its 90 watts @ 2 0hms & 70 watts @ 4 ohms. so i figure 2.7 ohms would be about 77 watts. plus i only have the gains on the amp at half way!! [/QUOTE]
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tweeters blowing? need some advice please!
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