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| phongus |
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Can you please give us the brand and model of your head unit as well please.
If your head unit has 3 SETS of RCAs, 1 set for the front, 1 set for the rear and 1 set for sub-pre out, I'd be checking the RCA wiring. The rear speakers may have been running of the SUB-PRE OUT from the head unit giving you bass only in the rear and normal in the front. If the wiring is correct (having one set of RCAs for each of the front and rear speakers), then maybe the amplifier's high pass filter may be ON allowing only bass to pass through to the speakers. If your head unit only has 2 sets of RCAs, one set for speakers (front or rear) and one set for sub-out, then your problem is that the rear speaker is running off the sub pre-out giving you bass. Hope that helps. phong =P~
_________________ phongus = Post whore 2006 |
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| Hybrid34 |
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phongus wrote: If your head unit only has 2 sets of RCAs, one set for speakers (front or rear) and one set for sub-out, then your problem is that the rear speaker is running off the sub pre-out giving you bass. phong =P~ I'd say thats your problem mate:), seems very plausable... Pics and Model numbers would help heaps cheers - Ash
_________________ Sucessful trades with Schmee, Braidy, Niko, The_Ghost, YBHVE4, Stalker
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| philaddis |
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Hybrid34 wrote: phongus wrote: If your head unit only has 2 sets of RCAs, one set for speakers (front or rear) and one set for sub-out, then your problem is that the rear speaker is running off the sub pre-out giving you bass. phong =P~ I'd say thats your problem mate:), seems very plausable... Pics and Model numbers would help heaps cheers - Ash Exactly what I said about 8 posts ago, but anyway!!! Since then he's already said that he's turned the sub channel on and off at the headunit with out a difference. I think we can now discount that hypothesis. If there are only 2 RCA pre-outs (F+R) it sounds as tho the sub controller operates in a similar fashion to a line level converter (ie for use with amps with high level inputs). It sounds a little (or a lot) weird, but otherwise there would be a third set of RCA pre-outs. I think here, a scan of the wiring diagram for the head unit and some photo's of the back of unit itself would be VERY helpful. Next in line I'd be looking at the crossover on the amp...... if that doesn't work, try a different amp. If that doesn't work, I'd be looking at the RCA's themselves. I mean, if they fail, it is usually a total break down in signal or intermittent failure due to bending/flexing of the lead near the plugs, but I spose they could be filtering frequencies as well. You've already tried two different headunits, both with the same result, so short of a total f**k up on the RCA side of things or the general tuning set up of the head unit, I would say we can discount that too. I think, if you want to take this any further, you are going to need to give us the photo's and the wiring diagrams. At least tell us the model number of the headunit!
_________________ ED XR8 Spri-mitatio-nt |
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| duderat |
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gotta love free periods! ummm its a pioneer deh-something something. 2008 model. all the non used wires from the back of the head unit have been taped up to stop them contacting each other. will try and get some pics of the head unit and all the wires n stuff wen i get home. should be up by 5 hopefully if i can get em to work. also will get the full name of the head unit and amp. both are 2008 pioneer stock.
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| phongus |
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Pioneer aye. IIRC some Pioneer head units have the ability to play sounds with the rear just playing bass. I think it was the Front Image Enhancer or something. FIE for short in the menu when you are adjusting. Turn that off and the rear speakers should return to normal.
phong =P~
_________________ phongus = Post whore 2006 |
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| duderat |
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ok phong that sounds like a possible winner, i will have a look for it when i get home as well as taking some unhappy snaps of my half finished stereo.
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| duderat |
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the head unit is a pioneer deh-p3000ib and the amp is a pioneer gm6300f.
i have taken pictures but i cant get them on here. dont know how to work the image button above this writing box. the back of the head has one set of rca's labeleb front, obviously and the other labeled r/sw so im guessing rear or subwoofer. this is the best way i could get a picture of it http://viewmorepics.myspace.com/index.c ... D=18774814 this is a picture of the front of the head http://viewmorepics.myspace.com/index.c ... D=18774817 hopefully this helps a little bit.[/img] |
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| duderat |
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just tried the links and realised they dont work. i have two pics on my myspace. www.myspace.com/duderat in my pics section.
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| Krytox |
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Just looking at the features:
http://www.digitalhome.com.au/Car_Sound ... Lead/22290 It lists the rca out as: • RCA Preouts 2 pair (Front/Rear or Front/Sub) Looks like your going to have to bridge the rear output for the sub.
_________________ Carefree, we may not be number one, but we're up there. |
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| duderat |
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i dont wat a sub though. i want my rear speakers to work with the fronts.
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| philaddis |
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I had a look on that page and there is no mention of FIE. Maybe it was a discontinued feature on older head units?
If you can't find it then you are going to have to have a really good read of the instruction manual and work out the feature for the sub woofer pre-out. At this stage, it sounds like the most likely scenario, as the wwebsite lists a HP/LP filter set up which if set incorrectly, would result in your problem.
_________________ ED XR8 Spri-mitatio-nt |
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| philaddis |
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Have a look here....
http://www.pioneerelectronics.ca/Static ... al1023.pdf might help?
_________________ ED XR8 Spri-mitatio-nt |
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| duderat |
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tried playin round with the high pass filter. still no dice.
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| duderat |
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problem solved! took it to a mates mate who works for autobarn. fixed it in about 2 minutes. the rears were working as subs but to get into the menu to switch it round the head unit has to be turned off but with power still to it. ie, with the ignition in accesories or on. this wasnt mentioned in the manual... or maybe i just missed it. anyway guys thanks for your help.
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| nicco |
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phongus wrote: Pioneer aye. IIRC some Pioneer head units have the ability to play sounds with the rear just playing bass. I think it was the Front Image Enhancer or something. FIE for short in the menu when you are adjusting. Turn that off and the rear speakers should return to normal.
phong =P~ your f**k kidding me??!! 
i've been trying for 4 years to work out what that was for. could never pick it. (my system is a bit more biased towards to the front anyway) as for the actual topic, sorry i am not of much help. [/off topic] |
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