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2011 Duramax build log
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<blockquote data-quote="dsmyl6" data-source="post: 8316869" data-attributes="member: 655655"><p>Hey all,</p><p></p><p>Just an update a week or so after the install. I ended up removing the Epicenter, I really didn't like the way it sounded - I think it is a good piece of gear, but not for this application. I put in the Audiocontrol 2XS, currently crossed over at 90 hz, there is a noticeable improvement in sound quality between using the 2XS and using the amp crossovers. In addition, I hooked the BL up in 1 ohm to test the BB4000.1 out; at the same gain setting, the sub seemed overpowered. I turned the gain to about 1/4 and the 2XS low pass level to about 1/3, this seems to be a good combo.</p><p></p><p>A few listening notes -</p><p></p><p>The rear fill BB650's are almost completely drowned out by the front stage. This is probably a combo of the rear staging (bottom of the rear doors) and how insanely loud the front speakers are at even moderate levels. The front stage really shine, but I had to drop 8k hz + a bit as it was too bright for my taste - the midbass is quite powerful. The BL is a beast, it has the output of a solid 15 but the punch of a 10 - not to mention it can handle a ton of power!</p><p></p><p>Rap: The BL drops pretty **** low and sounds great even in the 70 - 80 hz "punchy" notes. The sub level is not very high, it could easily overpower the front and rear speakers. Midbass is impressive in the front components, when equalized it matches well with the BL in rap songs with prominent midbass. The highs needed quite a bit of toning down as the front pillars point directly at the listener. The BL really needs powerful components to match it, especially in bass-heavy Rap (Paul Wall, Youngbloodz, etc.). Overall Rap performance 8.5/10. Boom Boom.</p><p></p><p>Electronic: I am very much into Daft Punk, Chemical Bros, Crystal Method, other older electronic groups, so a lot of the equalization was centered around this style of music. I did my best to tune all frequencies to the same level, although the system is still quite bass heavy - this isn't so bad B-) . In "The Boxer" by the Chemical Bros, the highs once again shine in the complicated 'riffs' while the mid seemed a touch soft, the midbass could be felt in the chest, the BL seemed to be made for this type of music in the box tuned to 33hz - it was quite overwhelming at times! 9/10</p><p></p><p>Metal: These components get insanely loud. I turned on "Ashes of the Wake" by Lamb of God to 3/4 volume, it is quite intolerable at that level so I turned everything down to about 1/2 level. While still quite loud, the most pronounced items of note are the quick notes from the drum - very recognizable, while quick, midbass notes. The highs were extremely sharp and recognizeable. The vocals need a bit of work and equalization, but were clear although soft. The BL was extremely quick, although a slightly boomy at times - still very loud. 8.5/10, Ow.</p><p></p><p>All in all, I am very pleased with the way things turned out. The new Big Bang amps have turned out well; I feel like I really rolled the dice buying the BB3 amps, but they totally delivered - the 1200.4 doesn't get hot and is conveniently small and the BB4000/1 is a beast that has more than enough power at 1 ohm for the BL. The front components impressed me, the tweeters are very sharp but with equalization sound fantastic - clear and massively loud. The rear coaxs are quite average, but they are a good buy for $40 - similar in quality to the older Type S's. I have never owned a Fi product before, but d@mn does the BL deliver - excellent build quality, massively loud, musical, and quite power hungry. The Audiocontrol products are also meeting my expectations.</p></blockquote><p></p>
[QUOTE="dsmyl6, post: 8316869, member: 655655"] Hey all, Just an update a week or so after the install. I ended up removing the Epicenter, I really didn't like the way it sounded - I think it is a good piece of gear, but not for this application. I put in the Audiocontrol 2XS, currently crossed over at 90 hz, there is a noticeable improvement in sound quality between using the 2XS and using the amp crossovers. In addition, I hooked the BL up in 1 ohm to test the BB4000.1 out; at the same gain setting, the sub seemed overpowered. I turned the gain to about 1/4 and the 2XS low pass level to about 1/3, this seems to be a good combo. A few listening notes - The rear fill BB650's are almost completely drowned out by the front stage. This is probably a combo of the rear staging (bottom of the rear doors) and how insanely loud the front speakers are at even moderate levels. The front stage really shine, but I had to drop 8k hz + a bit as it was too bright for my taste - the midbass is quite powerful. The BL is a beast, it has the output of a solid 15 but the punch of a 10 - not to mention it can handle a ton of power! Rap: The BL drops pretty **** low and sounds great even in the 70 - 80 hz "punchy" notes. The sub level is not very high, it could easily overpower the front and rear speakers. Midbass is impressive in the front components, when equalized it matches well with the BL in rap songs with prominent midbass. The highs needed quite a bit of toning down as the front pillars point directly at the listener. The BL really needs powerful components to match it, especially in bass-heavy Rap (Paul Wall, Youngbloodz, etc.). Overall Rap performance 8.5/10. Boom Boom. Electronic: I am very much into Daft Punk, Chemical Bros, Crystal Method, other older electronic groups, so a lot of the equalization was centered around this style of music. I did my best to tune all frequencies to the same level, although the system is still quite bass heavy - this isn't so bad B-) . In "The Boxer" by the Chemical Bros, the highs once again shine in the complicated 'riffs' while the mid seemed a touch soft, the midbass could be felt in the chest, the BL seemed to be made for this type of music in the box tuned to 33hz - it was quite overwhelming at times! 9/10 Metal: These components get insanely loud. I turned on "Ashes of the Wake" by Lamb of God to 3/4 volume, it is quite intolerable at that level so I turned everything down to about 1/2 level. While still quite loud, the most pronounced items of note are the quick notes from the drum - very recognizable, while quick, midbass notes. The highs were extremely sharp and recognizeable. The vocals need a bit of work and equalization, but were clear although soft. The BL was extremely quick, although a slightly boomy at times - still very loud. 8.5/10, Ow. All in all, I am very pleased with the way things turned out. The new Big Bang amps have turned out well; I feel like I really rolled the dice buying the BB3 amps, but they totally delivered - the 1200.4 doesn't get hot and is conveniently small and the BB4000/1 is a beast that has more than enough power at 1 ohm for the BL. The front components impressed me, the tweeters are very sharp but with equalization sound fantastic - clear and massively loud. The rear coaxs are quite average, but they are a good buy for $40 - similar in quality to the older Type S's. I have never owned a Fi product before, but d@mn does the BL deliver - excellent build quality, massively loud, musical, and quite power hungry. The Audiocontrol products are also meeting my expectations. [/QUOTE]
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