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<blockquote data-quote="blowthemup" data-source="post: 8510954" data-attributes="member: 572865"><p>I&#039;m running a singer alternator Tested 289 amps after heat/ 184 amp @ idle, xs power 5100 up front and 3400 in rear, big 3 and positive run all in 0 gauge. I set the gains by ear, with the 3 cubed box they were about half way running the volume on 40 and I wouldn&#039;t go past that number. With the 2.5 cubed box they came down to about %25 but I started running my volume up to 60 when I learned the 80prs was clean up that high. I was under the impression that using more clean volume from the source or 80prs was better. I was using the 80prs lpf set at 80hz sometimes lower if the song playing was peaking too high. I left the lpf on the amp all the way open but have also dialed it back some to see if it made much of a difference running two low pass filters. I found running both did cut the higher frequencys some but not to the point of it mattering much I felt like. Subsonic was set to about %20 and anything more really started to cut my lower frequencies drastically. I feel like the zcon was happy in the mid 40&#039;s to about the mid 50&#039;s and became peaky after 60hz in its current 2.5 cubed enclosure. The 3 cubed enclosure had very similar results but didnt have anywhere near the output I have now. It really lacks below 40hz except for a handful of songs and she just wouldn&#039;t pick up the bass in my occasional rock and country listening. Some country songs were ok but I really felt like it was on a roller coaster of being happy.</p></blockquote><p></p>

[QUOTE="blowthemup, post: 8510954, member: 572865"] I'm running a singer alternator Tested 289 amps after heat/ 184 amp @ idle, xs power 5100 up front and 3400 in rear, big 3 and positive run all in 0 gauge. I set the gains by ear, with the 3 cubed box they were about half way running the volume on 40 and I wouldn't go past that number. With the 2.5 cubed box they came down to about %25 but I started running my volume up to 60 when I learned the 80prs was clean up that high. I was under the impression that using more clean volume from the source or 80prs was better. I was using the 80prs lpf set at 80hz sometimes lower if the song playing was peaking too high. I left the lpf on the amp all the way open but have also dialed it back some to see if it made much of a difference running two low pass filters. I found running both did cut the higher frequencys some but not to the point of it mattering much I felt like. Subsonic was set to about %20 and anything more really started to cut my lower frequencies drastically. I feel like the zcon was happy in the mid 40's to about the mid 50's and became peaky after 60hz in its current 2.5 cubed enclosure. The 3 cubed enclosure had very similar results but didnt have anywhere near the output I have now. It really lacks below 40hz except for a handful of songs and she just wouldn't pick up the bass in my occasional rock and country listening. Some country songs were ok but I really felt like it was on a roller coaster of being happy. [/QUOTE]

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