Beckett
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Posts posted by Beckett
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i havent done much to the honda except watch it collect dust...it is floating on a PowerMaster battery charger though so it starts right up..
i might drive it once in a while but for the most part, i gave that car to my 12yr old son. He plays in it every day and gets way more use out of it then i do.
ha thats sweet!
is he going to build a car from scratch one day soon?
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theres always tricks to eliminating engine noise, filters work to some extent, using common ground and power for the headunit/amps works wonders on some cars (run a like 14 or 16g speaker line from the power and ground line of the h/u to the rear batteries or bussbars that the amps are hooked to) or ground the h/u to the amp chassis, or run twisted pait rca cables....theres literally dozens of tricks but those are the msot reliable.
i see this when lookin in steves build pics.
i've ordered some new RF RCA's twisted ones, and when they arrive i will have a go at runnin ground and positive to my battery in the boot from the HU. hopefully this will work
any comments
xx
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try each set one at a time. Pulling the PDX RCAs should cut noise for sure. You may need to ground all your powered devices together. That should help eliminate the loop.
Na man, i jus put all the grounds in the same place and it's still doing it!
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try each set one at a time. Pulling the PDX RCAs should cut noise for sure. You may need to ground all your powered devices together. That should help eliminate the loop.
both the amps are ground on the same bit of chassis, i thort they were together but i just remebered there not there like 100mm from each other or somthing.
how bout if i was to ground them both directly to the battery and gronud the power cap to the battery. do you reckon that will help?
apperently grounding the amps directly to the bat is better sound rather than to the chassis? i'm not sure if that is true or not?
cheeers,.
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it's deffo frrom the RCA's i took them out and it stopped completely
so what do i need to do now to stop the whinning?!?
Thanks a bunch.
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the only crossovers that are used are the ones with the componant set.
so if the rca's are doing this what could i do to solve it?
do i take the rca's out of my jbl amp for the sub, or the alpine for the door speakers that are making the noise?
thanks
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as the title says i have bad engine noise comin through the tweeters. i've kinda had this problem a while ago and it jus seemed to stop, but now it's back and i wanna know how to try and resolve it
i have the power run down one side for the battery, and everything else down the other side....lol just thinking about it, that could be a problem having the speaker wire for the door speakers run next to the rca? .
i will need to tidy all the wires up in the boot agaian because i have jus finished installing my new PDX amp. so that could help a bit if i keep all them wires away from each other.
please tell me what i can do to stop this becuase it drives me insane sometimes lol
cheeeeeers!
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is it jus me or is that 10" speaker in the door not square?
sorry bout that lol.
that centre console is pretty amazing now Steve
!really good work you can do!
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Sorry to thread jack a lil bit, but i'm intregued by this, so if i was to ground my amp and power cap earth to the battery in my boot ( which has a run of 0/1 AWG wire from the front positive and negative) i would have better sound etc? becuase basically my amp earth pretty much goes over the battery in the boot so i could easily attach it to the battery instead of the chassis!
thanks!!
yeas man, that box is pretty damn big! looks like a good job..............do you have any more build pics of the box etc?
btw the only thing i would say to have done is to router all the edges on the box......makes it look so much nicer IMO bud:)
Good Job!!
x
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i jus set the amp to HP , and it is a lot better i think, cus before i was really worried how much they was moving, but now they hardly move:) and still sound reallly good!
i noticed that my drivers door front power is moving more than the other:S i dunno why? they was equal when it was in flat!?!
anybody know why?
cheeers
oh and thanks for the replys:)
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high pass them, shouldn't be playing so much bass
something like 60hz lp to the sub, 60hz HP to the doors, or 80hz would also be a good freq to cross over at in that case
yo man! i have a 4 channel amp, and when i put them on HP the front and rear move ifferently to each other if i remeber when i had them set on that last time. its a JBL GTO 75.4 amp,, is that pretty normal for front and rear speakers?
i have it in 'flat' at the moment in the video btw
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heyy
finally got these in and working.
i'm so pleased!!
comments
oh and bny the way do they move to much? i kinda have them door pods ported. im not sure if i shud seal them up completely or not....help would be amazing:)
cheers
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ou can't have too much amperage. The voltage that the alternator produces it's current at will be controlled by the regulator. Sometimes the regulator will change the charge voltage based on it "sense" input.
The bottom line it, as long as the voltage setpoint in not set too high for the batteries you are running, or any of the equipment on the vehicle, you will be fine. Most vehicles can handle low 15 volt charging voltages without any problems. Amperage is not an issue, as the alternator will only produce as much current is as needed to keep the battery at the voltage setpoint.
I have a question, this is an extreme example but say if you had 1300 amps worth of alternators and you only had one 100 AH battery in a normal car with no system or nothing then that would be fine? Because the alt's would just give out enough to keep that battery at the correct level?
lol i've always wondered that.
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I would make sure that the tweeter wire is connected to the tweeter out on the x-over, and the woofer to the woofer on the x-over, i had the same problem once and all I had to do was give them a switch and that was it.
no sorry man, i made sure when i done it they were correct lol. and yesterday i checked it and the labelling is even the same as the other x over so i dont think its that man:(
cheers
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right i have one more question about settting the gains.
i believ that when i set them last i didnt have the engine runnin!
i done the calculation and i needed to find 20volts, but when i set the gains last it was to 16.9odd for 70rms, but because i set them with the engine runnin they read 21 odd volts or something!
i have now re set all my gains with the engine running so now they should hopefully be correct!
my question is, i should have the engine running when setting the gains yea? because the voltage is at 14.4 volts (15.1 ish from the readings on my power cap)
cheers
Ben
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i switched the rca's around and the right must have been on the left side, and the speaker was still workin sio im guessin that it's not the rca's!
any more suggestions?
i still have had no time to test them at the amp atm, but will do tomoro or even later on
cheers
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if its the RCA's then you should be able to switch the left and right and it change to the other side.
ahh, i'll give that a go, so if i change them arond and it still does it then qwould you say that the rca's are out of the question?
cheers
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I would rip my tweets and mids out of the doors the xovers to and put them beside your amp all wired up and then you'll know whats up.
ye man i was jus about to say, tomoro in the daylight i wanna try gettin the set and wiring it up to each speaker out put on the amp to see if they work on a different connection!
but if it is like the amp outputs not workin correctly then surely it wouldnt have signal goin to the tweeter but not to the mid bass speaker?
plus could it be anything to do with rca's? i shouldnt have thort so?
and also tomoro i will try wirin my old conponant set to the new wires and see if that works or if that is the same as this?!?!?
urrrgggggggggg
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by the way, everyone that is lending me a hand i really do appreciate it!
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Can't believe no1 has said this.....is your mid's wires pinched or grounded out anywhere....that could cause it to not work.
ive tried it with completely different wires to the ones in the door atm. thesese wires worked on the left side of car, but not on right side, so i dont think it is the wires from x over to speaker!?
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the right speaker works fine on the left x over, but not on the right x over.. i havent tried my old speaker on the right x over to see if it works.
i had fanatics in the front of each door before and they worked fine. i changed all the wirin and soldered some up for the t162s . but i checked to make sure it wasent my wirin which it doesnt seem to be cus i hooked the right speaker up to the left x over with new wirin and then i put that in the right cross over and it still wouldnt work!
arrgggggggggggggggggg i wanna smash these speakers!!
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this is interesting, the speaker works on other xover but not on that xover but tweet works?, how bout take the xover apart to see if one of the soilders came loose, i had to do taht on my polk db comp set, it was easy to fix just pull the board out, melt the soilder down a lil to get it out of the hole, then stick the part thats prolly loose back in its place and resoilder just dont get it on the other circuits and make sure witch one ur workin on and ur good, prolly some cap or coil came loose seems like it, same thing that happin to my polks tho, ied try that should work
but the thing is i sent the 1st x over back that was not workin with the mid bass, but when they tested it it was workin fine. now they have sent a brand new one to me and its still the samee!
it wouldnt be anything to do with the rca would it. cus the tweeter is workin but not the mid!
:s im so confused and pissed off!
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in Team S.M.D. - Street Motivated Devastation
Posted
Ben Beckett- Oxford...UK
Beckett.
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