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Too much power...
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<blockquote data-quote="O2JR" data-source="post: 4572385" data-attributes="member: 593524"><p><span style="color: Blue">Hello everyone. I'm new here. And I have a couple of questions to all of u the experts in car audio </span>//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif<span style="color: Blue">. I just bought a car audio system. I have a :</span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue">This is the amp I bought:</span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><a href="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&amp;item=360056766238" target="_blank"><span style="color: Blue">http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&amp;item=360056766238</span></a></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue">and this is the subwoofers I bought, I bought 2 of these:</span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><a href="http://www.amazon.com/dp/B000MSSOWQ/?tag=caraudiocom-20" target="_blank"><span style="color: Blue">http://www.amazon.com/Kicker-CompVR-07CVR124-subwoofer-4-ohm/dp/B000MSSOWQ/ref=pd_bbs_sr_1?ie=UTF8&amp;s=electronics&amp;qid=1213559311&amp;sr=8-1</span></a></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue">I checked the RMS output of the subs and is 400 RMS max each sub. The amp I bought is 900 RMS x 1 channel @ 2 ohm and 500 RMS x 1 channel @ 4 ohm. MONO CLASS D. The subs have 4 ohms voice coils and If I connect them in Parallel It will give a 2 ohm load, and If I connect them iin series it will give me 8 ohm load. The amp is "supposed" to handle all the power both subs needs. Becase If the amp have 900 RMS x 1 channel and I'm using bridge with 2 subs, the power will decrease half that means 450 RMS x 2 channel @ 2 ohm, am I right? The problem is the next when I play the music to loud the amp get overheated too much right away ( 5 min ) and both fuse (30A x 2 = 60 A total) get burned instantly, I checked how much power came to the amp and is over 70A+ ( that means sometimes it gets 100 A, don't know why) so that's why both fuse got burned because ( i guess )) both subs needed more power. So I looked for solutions:</span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue">1) I'm afraid to damage my amp, So my temporary solution is not to put to loud the music, but I want to sound it loud </span>//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif</p><p></p><p><span style="color: Blue"> </span></p><p></p><p><span style="color: Blue">2) Capacitor: The capacitor what it does is, to store energy on demand of the amp when ur battery cant handle too much power. My problem is otherwise ( I guess ), The amp or the subs are demanding more power that I need but I don't get it because 900 RMS /2 = 450 RMS for the amp and the subs are 400 RMS each = 800 RMS, so I have 100 RMS left to use. I need something to stabilize the system to 60 A max, is there a way to do it? Or what other solution can u give me please. Thx in </span>advance guys //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif ..peace...</p></blockquote><p></p>
[QUOTE="O2JR, post: 4572385, member: 593524"] [COLOR=Blue]Hello everyone. I'm new here. And I have a couple of questions to all of u the experts in car audio [/COLOR][IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG][COLOR=Blue]. I just bought a car audio system. I have a :[/COLOR] [COLOR=Blue] [/COLOR] [COLOR=Blue]This is the amp I bought:[/COLOR] [COLOR=Blue] [/COLOR] [URL="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=360056766238"][COLOR=Blue]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=360056766238[/COLOR][/URL] [COLOR=Blue] [/COLOR] [COLOR=Blue]and this is the subwoofers I bought, I bought 2 of these:[/COLOR] [COLOR=Blue] [/COLOR] [URL="http://www.amazon.com/dp/B000MSSOWQ/?tag=caraudiocom-20"][COLOR=Blue]http://www.amazon.com/Kicker-CompVR-07CVR124-subwoofer-4-ohm/dp/B000MSSOWQ/ref=pd_bbs_sr_1?ie=UTF8&s=electronics&qid=1213559311&sr=8-1[/COLOR][/URL] [COLOR=Blue] [/COLOR] [COLOR=Blue] [/COLOR] [COLOR=Blue]I checked the RMS output of the subs and is 400 RMS max each sub. The amp I bought is 900 RMS x 1 channel @ 2 ohm and 500 RMS x 1 channel @ 4 ohm. MONO CLASS D. The subs have 4 ohms voice coils and If I connect them in Parallel It will give a 2 ohm load, and If I connect them iin series it will give me 8 ohm load. The amp is "supposed" to handle all the power both subs needs. Becase If the amp have 900 RMS x 1 channel and I'm using bridge with 2 subs, the power will decrease half that means 450 RMS x 2 channel @ 2 ohm, am I right? The problem is the next when I play the music to loud the amp get overheated too much right away ( 5 min ) and both fuse (30A x 2 = 60 A total) get burned instantly, I checked how much power came to the amp and is over 70A+ ( that means sometimes it gets 100 A, don't know why) so that's why both fuse got burned because ( i guess )) both subs needed more power. So I looked for solutions:[/COLOR] [COLOR=Blue] [/COLOR] [COLOR=Blue] [/COLOR] [COLOR=Blue]1) I'm afraid to damage my amp, So my temporary solution is not to put to loud the music, but I want to sound it loud [/COLOR][IMG]//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif[/IMG] [COLOR=Blue] [/COLOR] [COLOR=Blue]2) Capacitor: The capacitor what it does is, to store energy on demand of the amp when ur battery cant handle too much power. My problem is otherwise ( I guess ), The amp or the subs are demanding more power that I need but I don't get it because 900 RMS /2 = 450 RMS for the amp and the subs are 400 RMS each = 800 RMS, so I have 100 RMS left to use. I need something to stabilize the system to 60 A max, is there a way to do it? Or what other solution can u give me please. Thx in [/COLOR]advance guys [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG] ..peace... [/QUOTE]
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