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1999 Chevrolet Blazer
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<blockquote data-quote="gckless" data-source="post: 8153105" data-attributes="member: 635756"><p>So, first thing I did after work was tune this box down. Added 20 washers to each PR. Don&#39;t know the weight of each washer, but I know the count, so it&#39;s not super important right now.</p><p></p><p><a href="http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/0F8120A4-2FD4-452F-9D7F-8FA17BE84F6A-9531-0000059834F54627_zps6f394e46.jpg.html" target="_blank"><img src="http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/0F8120A4-2FD4-452F-9D7F-8FA17BE84F6A-9531-0000059834F54627_zps6f394e46.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Did the cone resonance test again, and found my tuning to now be at 27Hz.</p><p></p><p>Next thing I did was set the gain on my 5.0k. Used a 50Hz -5dB tone. First I found what I was at, then I adjusted gain until I was at my target voltage of 65V, which is about 4200W RMS. Here&#39;s my findings:</p><p></p><p>Before adjusting gain:</p><p>A/C Voltage: 36V</p><p>Wattage: ~1300W</p><p></p><p>After adjusting gain:</p><p>A/C Voltage: 65V</p><p>Wattage: ~4200W</p><p></p><p>Yep, all those videos above (and what you heard [USER=650302]@FamousMassacre[/USER] and [USER=570452]@myjaja[/USER]) are with these two subs on 1300W, so roughly 650W to each sub. Tuning was at 35Hz.</p><p></p><p>This tuning is much better. I&#39;m not missing notes down below, and I can hear the peak that was around 36-45 flatten out a little. Playing 27Hz at 4200W, my PR&#39;s are crying. Just screaming for mercy. These things are moving a LOT. Thinkin about tuning down just so I can have a little leeway in their movement. On the other hand, part of me just says fuc<span style="color: black">k</span> it, if they shred I&#39;ll have PSI build them better next time. </p><p></p><p>More to come, haven&#39;t played it barely at all. Need to find somewhere to go where I won&#39;t pis<span style="color: black">s</span> everyone off lol. But things are moving around on my vehicle much more now.</p></blockquote><p></p>
[QUOTE="gckless, post: 8153105, member: 635756"] So, first thing I did after work was tune this box down. Added 20 washers to each PR. Don't know the weight of each washer, but I know the count, so it's not super important right now. [URL=http://s723.photobucket.com/user/gckless/media/1999%20Chevrolet%20Blazer/0F8120A4-2FD4-452F-9D7F-8FA17BE84F6A-9531-0000059834F54627_zps6f394e46.jpg.html][IMG]http://i723.photobucket.com/albums/ww236/gckless/1999%20Chevrolet%20Blazer/0F8120A4-2FD4-452F-9D7F-8FA17BE84F6A-9531-0000059834F54627_zps6f394e46.jpg[/IMG][/URL] Did the cone resonance test again, and found my tuning to now be at 27Hz. Next thing I did was set the gain on my 5.0k. Used a 50Hz -5dB tone. First I found what I was at, then I adjusted gain until I was at my target voltage of 65V, which is about 4200W RMS. Here's my findings: Before adjusting gain: A/C Voltage: 36V Wattage: ~1300W After adjusting gain: A/C Voltage: 65V Wattage: ~4200W Yep, all those videos above (and what you heard [USER=650302]@FamousMassacre[/USER] and [USER=570452]@myjaja[/USER]) are with these two subs on 1300W, so roughly 650W to each sub. Tuning was at 35Hz. This tuning is much better. I'm not missing notes down below, and I can hear the peak that was around 36-45 flatten out a little. Playing 27Hz at 4200W, my PR's are crying. Just screaming for mercy. These things are moving a LOT. Thinkin about tuning down just so I can have a little leeway in their movement. On the other hand, part of me just says fuc[COLOR="black"]k[/COLOR] it, if they shred I'll have PSI build them better next time. More to come, haven't played it barely at all. Need to find somewhere to go where I won't pis[COLOR="black"]s[/COLOR] everyone off lol. But things are moving around on my vehicle much more now. [/QUOTE]
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