[How Do I Get My Frequency Back?]

My previous setup was a pair of RF Punch HX2 12s powered by a Hifonics Brutus BX2005D. These were in a 4.5ft box with a pair of 4" aeroports with both subs and ports facing the rear of my Yukon. This setup peaked @ 45hz (with my box tuned to 38hz) and did 145s on a TL. I recently added another pair of HX2s and another Brutus. The new setup has all four subs facing up and all four aeros facing the rear. My problem is that my peak frequency has dropped to 40hz (even though I raised my tuning from 38 to 40hz) and now I'm only doing 146s. I was seriously expecting better but figure the frequency drop is whats holding me back. Is there anything I can do about this?

Not sure why the peak frequency would drop like that but did you try raising your enclosure tuning to fix this issue?

If you made a bigger box for the 4 12 setup, it should had displaced more airspace in your listening env. This should have raised your resonant freq.

To me a Yukon's peak frequency is probably right around 43-45 hz...so yeah if you're peaking at 40, it won't be optimal for all out SPL...

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thanks man

there are no classes anywhere that i know of that offer any kind of "driveby".....sounds like fun though. I think Mecca is the only org. that has that class anyway and they dont come out anywhere near the west coast. Kinda weird if you ask me, i mean they do have a "world finals" every year but only do shows in a few states LOL. Not only that but i think a lot of people are bitchin about some new rules they have out. Im not sure, i dont know really anymore about that then what i read on the net.

Yep, you're right. I took a look at the DBDrag classes and didn't see Driveby or anything close

http://www.termpro.com/dbdrag/rules/#_Sect...%20Classificati

On a side note, you should take your show on the road -- C'mon up to Seattle/Portland for the summer comps circuit -- so I can get a demo

My buddy owns this Tuning shop...I'm sure I can arrange a DB showoff/soundoff at his shop

http://www.tkomotorwerks.com/

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Mad props Steve!

I think you are 1 smart fella. Using your love of car audio to promote yourself, making people connections, getting yourself known -- nothing better then doing what you love!

Ditto for the promotion as well!

Have you ever thought about competing in Driveby since you don't want to do DBDrag style anymore (i.e. the window line rule)? Man the 'Hoe would do awesome!

Or do I have it wrong and the rules apply for Driveby?