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What type of Capacitors should be used as bass blockers?
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<blockquote data-quote="FatDoug" data-source="post: 7942341" data-attributes="member: 646352"><p>I have a 2010 Nissan Altima with the Bose system. With that factory Bose system, most of the bass was from the 6x9s mounted in the rear deck. It sounded OK for a lot of music, but the rear 6x9s really fall apart when playing low frequencies at even moderate volume. So I disconnected the rear speakers and added an inline app/subwoofer.</p><p></p><p>However, I really miss the midrange backfill the 6x9s provided. So I want to hook them back up, but without the low frequencies that the subwoofer is now handling. I want to use capacitors or "bass blockers" to prevent these low frequencies from hitting the 6x9s. These rear 6x9s have an impedance of 1 Ohm so I think that I need a capacitor with 1600 uF to block below 100 hertz or 2000 uF to block below 80 Hertz. When I see "bass blocker"s designed for car audio available on the internet, they never have a capacitance greater than 500. These bass blockers are always non-polarized. I can find 1600 uF and 2000 uF capacitors at electronics shops, but only polarized versions are available.</p><p></p><p>This leads to a few questions:</p><p></p><p>1) Do "bass blocker" capacitors have to be non-polarized? Why?</p><p></p><p>2) What 1600 uF - 2000 uF capacitor should I use and where can I buy it?</p><p></p><p>3) Can I use multiple capacitors to achieve the results I want? Like stringing 4 500 uF to get a total of 2000 uF?</p><p></p><p>Thanks!!</p></blockquote><p></p>
[QUOTE="FatDoug, post: 7942341, member: 646352"] I have a 2010 Nissan Altima with the Bose system. With that factory Bose system, most of the bass was from the 6x9s mounted in the rear deck. It sounded OK for a lot of music, but the rear 6x9s really fall apart when playing low frequencies at even moderate volume. So I disconnected the rear speakers and added an inline app/subwoofer. However, I really miss the midrange backfill the 6x9s provided. So I want to hook them back up, but without the low frequencies that the subwoofer is now handling. I want to use capacitors or "bass blockers" to prevent these low frequencies from hitting the 6x9s. These rear 6x9s have an impedance of 1 Ohm so I think that I need a capacitor with 1600 uF to block below 100 hertz or 2000 uF to block below 80 Hertz. When I see "bass blocker"s designed for car audio available on the internet, they never have a capacitance greater than 500. These bass blockers are always non-polarized. I can find 1600 uF and 2000 uF capacitors at electronics shops, but only polarized versions are available. This leads to a few questions: 1) Do "bass blocker" capacitors have to be non-polarized? Why? 2) What 1600 uF - 2000 uF capacitor should I use and where can I buy it? 3) Can I use multiple capacitors to achieve the results I want? Like stringing 4 500 uF to get a total of 2000 uF? Thanks!! [/QUOTE]
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What type of Capacitors should be used as bass blockers?
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