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dr hypothesis

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Posts posted by dr hypothesis

  1. My Batteries Came Today, Couple Questions

    in XS Power Batteries / Chargers! (and other stuff too)

    Posted

    I could see you point about a battery that had shorted cells or some other major defect, but simply low charged batteries out of the box should not draw more power than the alt would be required to make when the audio is pumping. Let's take this guys specific example. He had a D3100 @ 12.74v and a D3400 @ 12.51v out of the box. How many amps of current would you expect to see these two batteries draw in order to charge? I would bet my left nut (right one is no good) that it would be less than 50A of draw to charge them. So what you are saying is that this guy would burn up his alt by pulling 50A to charge these? If that is true, then he has one POS alt and should NEVER install an audio system in that vehicle.

    Agree?

    Just to clarify, I have a 200 amp alt.

  3. Volume Fluctuation

    in General Audio - Can't find a category for your question? Ask here.

    Posted · Edited by dr hypothesis

    Amp might be a bit sick, but check the voltage across the power terminals while you're bumping and see if it's dropping badly for some reason.

    Also try a tone and see if it does it on that, if not it's possible your box just has a terrible frequency response that is all over the place...

    EDIT: How long is your port?

    Port is 32 x 6. 16" long, a little over 3" from the back wall of the box.

  4. Volume Fluctuation

    in General Audio - Can't find a category for your question? Ask here.

    Posted · Edited by dr hypothesis

    just throwing this out there those amps are power hungry and you might need to upgrade your alt if you haven't already and possibly add another battery

    Yeah I know they are. I thought the 200 amp alt, PM d3400 and d3100 would be good enough for daily. I do like to slam on it though. Gotta wait tell I get my car back to be able to check out the voltage when it's turned up. Didn't have this problem previously with the Memphis running off of g34 Yellow Tops. The amp would just end up getting hot and shutting off. Haven't gotten to that point with the new electrical. Even the first song I listen to after starting my car will do this, voltage should be pretty good at that point, but I'm no expert.

    Also, the amp isn't cutting out. The volume of the bass only fluctuates randomly, it'll get softer then louder, happens for a couple seconds. It's not constantly happening throughtout a song either, maybe a few times.

  7. Volume Fluctuation

    in General Audio - Can't find a category for your question? Ask here.

    Posted

    Was debating to post this question yet, since my car is in the shop getting repaired. I hit a deer on the way to try and finish my install:

    deeraccident.jpg

    Won't get my car back tell the 24th. Anyways, here's whats in the car:

    wallof18s.jpg

    DSC00207.jpg

    Two BTL 18s, walled up. 14 cubes, 35hz tune, 192" of port. There is also a d3400 under the hood with a 200 amp Iraggi alt. Two runs + front to back and one run of -. Big 3 done as well. All KnuKonceptz wiring. HU is an Eclipse 8053. I was able to play around (listen, aka SLAMMIN) with my system for a couple days before I took it in to get repaired. I pretty much finished it the day after the accident.

    The problem is when listening at loud volumes, the bass will get lower then higher. Doesn't happen all the time, it's kind of random it seems like. Some songs it won't happen at all. I've done a search on every forum I know of and only found a few threads from people with the same problem. Didn't find any answers.

    Only thing I can think of is it's the Memphis 4kw. I put this amp through absolute hell with my last setup, and it saw low voltage quite often. Not enough to actually smoke the amp. It did shut off from low voltage/heat quite often though. I'm thinking maybe I damaged the amp at some point? I've had nothing but trouble trying to run 4kw+ daily.

    I hate posting this question without even having my vehicle right now, but this is eating at my brain and I know I'm gonna overthink the shit out of this problem. Just looking for any type of input or info. My wall is not fully sealed yet either, still a trim panel on the port side missing. Doesn't seem like it's cancellation though.

  8. My Batteries Came Today, Couple Questions

    in XS Power Batteries / Chargers! (and other stuff too)

    Posted

    Wow, this thread is still going. Needless to say I charged them before I installed them. Currently resting at just under 13volts in my car. I was on my way home to my parents to work on my setup when I hit a deer.

    Posted Image

    Here's a shot of my nearly completed wall:

    Posted Image

    And my ugly trunk:

    Posted Image

    Can't drive around at night with my like this, so I haven't gotten to listen to my setup much yet. :angry: Just glad the deer didn't hit the passenger side.

  10. Noise From Head Unit

    in Head Units-Processors and Eq's

    Posted

    I have a Alpine cda 9885 Since I got it I have smoked 3 amps all on the highs and I now have a horrible whine from the ground. I took it out and took it to a local service center and paid them to fix it. They said it was perfect. I put it back in noise is bad. Moved the ground the noise lessened but came back. Redid my ground back to where the batteries in the back are attached noise got worse. redid the ground on the frame took it off ground it to a mirror finish and put it back noise is the worse yet. had my son turn on the stereo in his truck and ran the rcas to mine and ran the amp noise is gone. Fuck this sucks any Ideas? Should I Change my ground from the alt to frame to a new place? This is in an explorer sport. PLEASE HELP

    I got rid of my 9886. It was fine when I first got it, then after 3 months I got the most ridiculous whine ever. First time I've ever had whine in the 8 or 9 years I've been into car audio. I tried everything to fix it, different cables, redoing grounds etc... I ended up buying an Eclipse 8053, installed it... bam no more whine. I'll never get another Alpine. I'm not impressed with them at all. This was the second Alpine I've used.

    This is my 4th Eclipse and they definitely have their issues as well.

  18. Xbox360 Ring Of Death

    in Video Games (All consoles) Ratings, previews, demos......the latest

    Posted

    see i can fix mine myself as well, but why should i have to? A company this large should just get it done right and be done with it.

    Microsoft screwed up pretty bad. For me, I thought I was SOL when they didn't have the 3 year warranty or whatever it is now. They wanted $150 before the issue really blew up in their face and were forced to change the warranty. No way in hell I was going to pay that. Probably should of gotten the Best Buy warranty when I first bought it.

  19. Xbox360 Ring Of Death

    in Video Games (All consoles) Ratings, previews, demos......the latest

    Posted

    In the past two months I've fixed 6 RROD xboxs... all still up and running today.

    Most of the articles/videos will tell you to overheat the xbox to get the broken solder leads to melt back together... this works sometimes and with my experience only last a week or so. I started using the same heatgun that I use for tinting windows... set it to 750F and go over both sides by the GPU and CPU for 5-7minutes on both sides... works great... do the x-clamp fix after that with nylon washers placed on the motherboard side and regular washers on the heatsink and screw sides... total in parts is usually about $5.00. When doing these repairs it is CRUCIAL that you get all the old thermal pad off... rubbing alcohol and a razor blade is what i use... razor blade to scrape the heatsink... DO NOT USE THE RAZOR ON THE CHIP!!!

    Been going great for me and the $60 a pop I've been charging to fix added up quick :)

    Nice. I just used some q-tips dipped in rubbing alcohol to get the old thermal paste off. I used the method of overheating the box. It did seem a bit inconsistent. One time the fix did last over a year. Then I took a break from COD4 for two weeks, turned it on and bam 3 red rings. Finally got sick of it so I just broke down and bought a new box. It was great having one that I kept alive for 3 years while I had a friend go through 4 of them.

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