HHR Ed
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Posts posted by HHR Ed
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i thought RTTI was just selling rockford products??
Nah, they run a school like Installer institute.
there are a few courses at each school depending on the area you want to go into.
Like apholstery, body work, electronics, fabrication, box design.
Thing is, once you get a job, it'll be different. I have been installing for 13 years or so and rarely use what I learned in school, I only get to use those skills for my own projects.
This wont be the case if you can get a job in a high end full service custom shop. But thats hard since they usually want multi years of experience with little pay.
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im just curious cause i wanted to know if there was some program were u can go to school for car audio an stuff were they teach u everything and get u a job somewere or u get some kind of licence that qualifys u for the job??
The are many schools that teach installation and offer MECP certification.
I went to Mobile Dynamics in Toronto.
There is also the Installer Institute,
RTTI which is Rockford Technical Training Institute.
and Mobile Tech
and a few others I cant think of right now
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i want a daily box maybe something different, sq with the ability to hit the low lows
For the low lows, definitely ports back or up.
You should tune the box about 5 hz below the peak of your car so that they work together.
Port opening should be about 4-8" away from the hatch.
So probably a tuning of 35hz or so would be good.
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How would I tune a 4th order? I don't know anything about them other than how to build one.
You need alot of space for a bandpass. Tuning can be difficult. alot of trial and error
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When I said new design, I meant MY new design. I'm pretty sure anything I come up with has been thought of already. And I didn't even come up with this myself!
OK I got ya.
Like I said, it'll move alot of air. so the main pluses I see are
1. phenomenal to look at.
2. Awsome for demos (hair trick monster)
3. Excellent for IASCA Bass Boxing
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basically the inside of the car is the the enclosure still. by firing it back, it just makes the cargo door part of the port. so port back makes it more port to get to the ear. up will muffle it a little because some sound waves are going to go away from the ear, and facing front will basically make it fastest to the ear, but still be muffled because of the space behind the box.. right?
you are touching on a good concept there.
Ever hear the term, "port loading"?
Thats basically what you are doing by firing the ports back. This is especially good in an SUV because of the low tuning frequency. tahoe is probably in the low to mid 40hz region for a peak.
Forward firing ports are usually meant for mid 50hz to 80 hz tunings, so the tahoe wont support the design at all unless you want to burp at 60hz.
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Yeah I think with any 20+ sub design I do I'll have some cancelation. That's why I'm asking for advice.
But the thing is, yeah I can do two 18s on a wall with a huge port to be loud, but it seems everybody does that. I'm trying to be a bit different.
Although when SMD subs come out, I'm going to submit to two of those on a wall...I just can't help it. haha
Its not really a new design, its called a tapped horn.
It'll move some air but its really good for long distance. So it'll be up to 15 dB louder with the windows open, then all sealed up.
Shouldnt have a problem with cancellation at all.
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ha yeah i wish i could get something better. subs are already up, and port is up.
would port facing the front be loud? like having the port go over the rear headrest facing the front
In a tahoe, and any SUV for that matter. You want ports firing to the rear for the highest SPL.
What this does is better match the resistance of the air in the port to the resistance of the air in the cabin of the vehicle.
Ports up works a little but not as good, and ports forward wouldnt work unless you can seal off the area behind the port with a wall so air cannot travel behind the port.
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(3)Kicker 15" L7 D2
Going in the back of my 01 Tahoe.
Tired of old set-up.
Any suggestions to make this loud?
get louder subs, lol. jk
nah, subs up, ports back would be the loudest type of box other than a wall.
Common chamber with a big port.
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wow. .nobody?nothing?lol glad i wasted my time posting the link
sweet, I've been waiting to see these. Thank you
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audiopulse axis? Never heard of it.Wow mach5,DC,audioque,and T3 all companies I have never heard of.How do these companies compare to a DD 9515 or a mmats juggernaut?
How about a solo x or a soundstream XXX?
I can vouch for the T3 TSS being more suited for your goal than the DD 9515 as I tested both head to head before I went with T3.
The T3 has the same motor as the DD but a coil similar to the DD9900 series. Also, the suspension makes it very capable of having excellent transient response and low frequency extension.
I am currently putting 2500w a piece to my T3s and am burping at 153.2 at 39-42hz and can play music over 150 db all day long.
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any of the choices you have above will pound with 2000w.
Even the Solo X and soundstream, just because they are rated to handle 5000 and 8500 doesnt mean that they will not pound with 2000w.
The juggs are good too but they were initially used as burp subs. You may want something with softer suspension and a beefy coil to play music with 2000w.
I personally like using the T3 TSS for this purpose. But the Fi BTL is another good choice. RE MTs have been used alot and sounded nice but I think they are not as efficient as the BTL and TSS.
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Crunch 3000D is a strong amp and can do 4600w on 16v at 1 ohm. and about the same power at .5 ohm
It will run .5 ohm all day as long as voltage doesnt drop below 12v.
The amps are hard to come by right now but the new models may be out soon.
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are you talking about yourself. if so those box's are hott.
No, I didnt build it. Matt, the dB Drag judge from MD did. but I got him an old RazorLite panel I had and he is going to put it to good use on that box.
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Sup Ed....im the one with the Durangho
DurangHOOOOO!
Thats a nice truck man.
Alot of guys showed up with nice trucks.
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Its gonna get sexier, just wait. The guy who built it just got his hands on a RazorLite flat light panel.
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Ed it was awesome meeting you and seeing the HHR. I saw you at Carlisle but I never got a chance to talk to you.
I had some questions about the Razor Lite though. I would really like to incorporate that into my next build if at all possible. Its some awesome technology you have there.
And it was great meeting all the other SMD members for the first time. Pissed me off I lost 1st place the last second in bassrace.
Good meeting you too.
Unfortunately RazorLite is not currently producing panels but that should change in a few months.
I am always running around at the Carlisle shows so if you see me just stop me and say whats up.
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It was a great show.
Thanks to all you guys that showed up.
It was great meeting you guys.
And thanks to ReesTBlazer for stepping up and being a good competitor.
Cant wait till next time guys.
There should be a Toys for Tots show coming up in MD one of the first 2 weekends of Dec.
Thanks for showin me some love.
Can U Like Go To School Or A Class To Become Pro At Installing Car Audio
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I scored perfect on my MECP test, did he do that well?
lol
sorry, but top 3 is sweet as hell too.