lithium
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Everything posted by lithium
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the bandpass design won't perform better than a standard vented enclosure so dont bother.
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sounds like a frequency response issue. you could eq down the peak or build a new box tuned lower. not sure why you expect a new sub to magically fix an install issue
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unplug them. rear speakers do nothing but kill the front stage. if the front stage is lacking then address it first.
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MB Quart OA750.1 or PPI BK650.1D
lithium replied to stevie's topic in Amplifiers / Head Units / Processors / Electrical
no point to chasing an extra 100 watts. I would find the cheapest 500 watt amp you can find. probably find a great used deal. -
looks good!
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curious to hear NVX? has to do with the rebadge drivers (forget which brand) i assume?
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Best Head-Unit for expensive sub-stage and bass alone (NOT mids/highs)
lithium replied to DedicatedEnthusiast's topic in Amplifiers / Head Units / Processors / Electrical
I tried to look up what filter is used but they don't advertise it. Weird. Impious covered everything. But u should also consider some deadening as well. Give sounddeadenershowdown.com a read -
The cheapest set you can find? Waste the least amount of money lol
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Best Head-Unit for expensive sub-stage and bass alone (NOT mids/highs)
lithium replied to DedicatedEnthusiast's topic in Amplifiers / Head Units / Processors / Electrical
i would hope crescendo used 18 or 24 db/oct filters on an amp of this size. what impious is saying would still be true either way. -
Best Head-Unit for expensive sub-stage and bass alone (NOT mids/highs)
lithium replied to DedicatedEnthusiast's topic in Amplifiers / Head Units / Processors / Electrical
that's a sound deadening issue is it not? what do you mean when you say high frequencies are causing rattles? -
Best Head-Unit for expensive sub-stage and bass alone (NOT mids/highs)
lithium replied to DedicatedEnthusiast's topic in Amplifiers / Head Units / Processors / Electrical
bs. the amp crossover should do that job just fine. -
I started on the subwoofer baffle but didn't take any pictures yet. I have some CAD drawing and picture of my previous install so i'll post those for now. My previous car was an olds intrigue and both cars are gm w bodies so the trunk is essentially identical. However, i decided to change my previous amp rack and subwoofer baffle design completely. 3 of the amps and the processors were installed under the false floor and two more are mounted under the rear deck. This time around I want everything under the false floor. The design on the left is my current plan. The design on the right is similar to my previous build. The left design should give me ~6 extra inches in length for the amp rack. The difficulty i'm having is sealing the baffle to the rear deck/ski pass. FG and spray foam might be nessary. its worth noting that i'm retaining access to the spare.
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Trunk deadening pics. I went a little overboard because i had some extra tiles. I was going to remove the factory deadening (started to remove some) but decided to leave it. Deadening the trunk is not super important for a IB install. i wasted some tiles by placing them over non-flat sections of metal. So for the rear deck I wanted to try sealing some of the small holes with duct seal. Ended up using about 6 pounds of the stuff. You will also see some spray foam used in a few places. I also used some mdf to seal the rear speaker holes. Dont worry I found some shorter screws, only stabbed myself a few times. Butyl rope was used between the mdf and metal to create a good seal. I have mlv from my previous car which I tried to repurpose in various places. For example, I needed to seal a hole in the rear deck but couldn't use a 3/4" thick piece of mdf. mlv and amazing goop did the job just fine. To complete the rear deck I used mlv and ccf to create a barrier. A layer of 1/4" ccf was laid down to decouple the mlv from the rear deck. MLV was laid down on top and all seams were sealed with contact cement and mlv. I used a bunch of scrap mlv to seal the seam in the middle. The rest of the mlv that I order was suppose to be used to deaden the front doors. So I used the old scraps from my previous install here to finish the barrier. Looks like shit but functions just fine. In retrospect, I should've ordered enough to get the job done. Piecing together scraps was a pain in the ass. I used more duct seal around any holes in the barrier.
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Pic of the car. white walls sure are sexy, right? haha
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Which Tweeter & Midbass for 2 way active front stage?
lithium replied to Jasonc13's topic in Subwoofers / Speakers
Great info, thanks! Wouldn't you know the ppi is out of stock until June 1st as well.....SONOFA! Please tell me it's only the Symphony series of Crescendo that is bad. The BC2000 I had did well, and the new recent BC5500 purchase was planned to be in my vehicles for quite a while. http://www.onlinecarstereo.com/CarAudio/p_33876_Precision_Power_P9004.aspx?utm_source=google_shopping&utm_medium=Product_Feed&utm_campaign=google_shopping_Price_Comparison&gclid=CNPLpbLSsb4CFSgQ7AodJgUAWA still in stock some places i think -
I'm selling my old car and a guy stops by to take a look at it. Never seen a guy taste test oil in person before. It was pretty weird. He told me the head gasket is blown and offered $500, lol. Already have a guy coming monday to buy it for a grand.
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iirc, sean runs his ported and a sub for <100hz. a 2way with a 6-7" mid would certainly get you the midbass you need and you might not need the sub. depending on your tastes.
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http://www.zaphaudio.com/ might find an idea or two there. im using the 3" hivi fullrange set for my computer speakers. they do an ok job on their own but you really need a sub. sean is running tang band w4 titaniums full range, iirc. i run them in my car in a 3 way. really sweet speakers. PE has the overnight sensations kits as well. https://www.parts-express.com/overnight-sensations-mt-speaker-kit-pair--300-706
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Which Tweeter & Midbass for 2 way active front stage?
lithium replied to Jasonc13's topic in Subwoofers / Speakers
mounting depth for the door speakers? or will you be modifying the door trim to fit anything? also, amp suggestion. ppi 900.4. similar power to the crescendo, 100 bucks cheaper, and probably a hell of a lot smaller. http://www.sonicelectronix.com/item_38338_Precision-Power-PPI-P900.4.html -
note to self, don't leave the car door open when cutting mdf on a windy day... fuck
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Is that the website....I will look into it http://www.db-r.com/
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https://www.sodapopstop.com/products/browse.cfm?link=1&s=57 i'll probably order a few later.
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really want to order some root beer
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can't believe how long I spent sound deadening my trunk/rear deck. need to start a build log soon i guess