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Wall or rear port for a 4th order bandpass


rambronco

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Raptor, you talked about staying musical up beyond 3.5:1, for me the box would probably stay musical well past that. Now maybe with the Zv.4 might change my thoughts on the upper frequencies but I doubt it, I don't care for the higher stuff, my x-over is set at 50Hz and even though I don't have enough mid-bass for a good transition I prefer that sound as opposed to setting the x-over higher and hearing higher Hz through my subs.

just so you know, raptor designed my 6th order, ill be building it soon

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Oh nice, any details Size, subs, power, vehicle?

01 Chevy Silverado X-cab

2 Sundown Z18v4 walled on 2 Lanzar Opti 7k's strapped at 1/2ohm = each amp wired to 1/4ohm. Havent checked impedence rise so not sure what they are actually seeing. 6 group 31AGM's.

2-Eclipse 34230's each one running 2 Eminence 6.5" Beta 6A. These are beastly mids rated at 350w program power. I was skeptical but the eclipse amps are 370w x 2 and when there was 4 mids on 1 amp I could push it into thermal protect within a song so added the 2nd amp. 

Eclipse 4212 running 4 CT sounds Meso tweeters. and 2 DLS ultimate tweeters up high to raise the soundstage.

 

96' Ford F350 4wd 4d long bed 7.3 diesel with 91k miles. Will be the sound quality rig if I can ever find the time.

 

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I really plan on taking some pictures of this install as I go. As far as 4th orders go, I have loved them since my first one, and that goes back a ways, Damn almost 25 years.....makes me feel old, good thing I've got bass to keep me young 8). First 4th order I had was a common box for 2-15" Cerwin Vegas in a labyrinth port box along with 2 Orion XTR 12's in a 4th order powered by 2 orion SX 2150's big power back in the day lol, and a dollar a watt haha.

01 Chevy Silverado X-cab

2 Sundown Z18v4 walled on 2 Lanzar Opti 7k's strapped at 1/2ohm = each amp wired to 1/4ohm. Havent checked impedence rise so not sure what they are actually seeing. 6 group 31AGM's.

2-Eclipse 34230's each one running 2 Eminence 6.5" Beta 6A. These are beastly mids rated at 350w program power. I was skeptical but the eclipse amps are 370w x 2 and when there was 4 mids on 1 amp I could push it into thermal protect within a song so added the 2nd amp. 

Eclipse 4212 running 4 CT sounds Meso tweeters. and 2 DLS ultimate tweeters up high to raise the soundstage.

 

96' Ford F350 4wd 4d long bed 7.3 diesel with 91k miles. Will be the sound quality rig if I can ever find the time.

 

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For sure, I have nobody that is into stereos like me, it'd be cool to hang with a fellow basshead. Starting to get sick but some wood is getting cut this weekend.

01 Chevy Silverado X-cab

2 Sundown Z18v4 walled on 2 Lanzar Opti 7k's strapped at 1/2ohm = each amp wired to 1/4ohm. Havent checked impedence rise so not sure what they are actually seeing. 6 group 31AGM's.

2-Eclipse 34230's each one running 2 Eminence 6.5" Beta 6A. These are beastly mids rated at 350w program power. I was skeptical but the eclipse amps are 370w x 2 and when there was 4 mids on 1 amp I could push it into thermal protect within a song so added the 2nd amp. 

Eclipse 4212 running 4 CT sounds Meso tweeters. and 2 DLS ultimate tweeters up high to raise the soundstage.

 

96' Ford F350 4wd 4d long bed 7.3 diesel with 91k miles. Will be the sound quality rig if I can ever find the time.

 

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