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  #1  
Old October 13th, 2005, 11:13 PM
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Christian Shea
1997 Defender 90 Wagon
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Passenger Seat Box

I finally got my components and new amp along with the subs and sub amp. I plan on throwing the two amps in the passenger seat box. I went in there today and noticed a couple things. there is the amp running the speakers now, a black box which looks to be the ecu? and a silver object bolted to the outside of the box. It looks like an amp as well but I'm trying to figure out what the hell itd be. It was dark out when I did all this so I could have missed something. Please let me know what it may be. Also, should I dynamat the box to stave off heat?
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  #2  
Old October 14th, 2005, 01:21 AM
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Jason Herring
94 D90 ST #1253
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That's your ECU under the passenger seat. I'm putting my electronics gear under the driver's seat - plenty of room alongside the battery (I've also got a gel-cell battery - no chance of acid leaking out).
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  #3  
Old October 14th, 2005, 09:40 AM
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David Shechter
97' D90 SW 2.8L diesel
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there should only 2 things in that box. the speed sensor ECU and the factory amp. The ECU is silver and has a metal bracket surrounding it, the plug looks like a huge computer SCSI cable with a 90? connctor.
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  #4  
Old October 14th, 2005, 10:03 AM
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Mike
'97 Defender 90 SW
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I recently did the same. The audio specialist said that the existing amp was not really worth keeping and that I should run all 4 speakers and sub thru one separate quality amp. I went with JBL. I wanted to put it in the passenger box as well but there are not any 4 channel amps that will fit in that box that I was interested in. I think Rockford Fosgate made one but it was not the quality of the JBL and it was the same price. Quality first. Also, I don't know about you but when I submerge the truck beow the floorboard, I get water in these boxes below the seat. The amp will be done for if this happens. I mounted mine behind the driver seat were the rear passenger seat used to be. It stands up against the truck and takes up very little space. Problem is that it is in full view of wouldbe theives.
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  #5  
Old October 14th, 2005, 10:22 AM
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One of my ideas for the amp in the seat box was to put it in a Tupperware container and leave the top off, then when I head toward the deep stuff put the id on the box to seal it up. For the wires i figure cut a hole in the Tupperware and then seal it up with some silicone. And for reference, amplifiers only last 2 dunking in muddy water, after that they stop functioning.
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  #6  
Old October 14th, 2005, 10:46 AM
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Mike
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What amps do you know of that will fit in there?
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  #7  
Old October 14th, 2005, 11:03 AM
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Arthur Maravelis
97 SW
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1. There is a great 4-channel amp that's small in size to fit here - ADS PQ10. These are old units but top notch.

2. velcro the bottom to the bottom of a Tupperware. Cut holes for wires and two vent tubes. Seal all wires and tubes, which can be small 3/8-1/2: diameter. Run tubes out of seat box (seal it again) and into rear cabin. Now, these two tubes should be fine for heat dissipation but if not you can attach to one end a small heatsink fan. Just mount it in a small box (plastic or metal) and feed into it one of the tubes. The other tube will draw in air and the fan will draw it out through the second one.

Or, just use seam sealer and seal the seatbox right in the first place.

3. Quality of amps: It is not difficult to find good amps nowadays. As long as they handle your speakers and drown out enough noise then that's it.

In all honesty, to get a great QUALITY sound in cars you need to go to a dedicated, calibrated system - like Bose. These are custom designed for each car's features, maximizing your chances of a correct sounding system.

You can look at all the specs of speakers and amps but in the end they are attached to an equally important design element - the car's interior. Without that taken into account the sound will not be optimal.That does not mean it will not be "good". I do not have an audiophile ear so my system sounds good enough to me.

The point is you will not sit there wondering about audio quality issues as you would in your home system, where lack of quality is more readily apparent. All you need is CLEAN sound, not necessarily accurate sound. Again, many amps/speakers that give you this. My ADS is only 40W per channel but you wouldn't know it or want more.
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  #8  
Old October 14th, 2005, 08:02 PM
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Mike
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40 watts per channel?
Hell, mine is 75 watts per channel and I want more. When the driving sounds of TOOL starts to come thru the system, it can't be loud enough. I'm just affraid that I will have more rattles while driving with the music down lower cause the rivets are coming loose.
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  #9  
Old October 15th, 2005, 01:39 PM
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Christian Shea
1997 Defender 90 Wagon
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I looked again yesterday when I was detailing the interior and there is definately one silver module mounted on the outside and then one black module mounted to the floor on some sort of riser with a bunch of wires going into a black tube that dog legs into the module.

On another note, I bought my parts all from a direct to customer company called elemental designs (www.edesignaudio.com). They have gotten rave reviews for their equipment. You can purchase their NINe.4 to run your 4 speakers. I chose to stick with the factory head unit powering the rear speakers and then a NINe.2 for my front components, the edi 6500s. I know they aren't a big name like alpine or boston, but reading customer feedback and magazine reviews made me give them a shot. Plus the prices are great. In addition I bought their 6.5" subs to mount behind the rear jump seats between the body and them where that gap is. They fit perfectly! Just need to build a custom box. If anyone is in the market, give them a shot.
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  #10  
Old October 15th, 2005, 08:32 PM
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Arthur Maravelis
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Quote:
Originally Posted by mdmccallum
...mine is 75 watts per channel and I want more. When the driving sounds of TOOL starts to come thru the system, it can't be loud enough..
Mike, TOOL? Boy, they must be a very inefficiant band. You know if you confine your listening to bands that are efficient you wouldn't need more power from your amp to get sound that's loud enough. Little known secret.

But seriously, if your speakers are inefficient (dB SPL/meter in the 80's) they will require more power to sound as loud as efficient ones (in the 90's and even 100's). I run a 40W amp in my home system with dual subs and satellites and it gets damn loud - too loud even. The amp is NAD with great dynamic headroom - 40W continuous and 80W for sustained peaks. I can't imagine that much volume in a car. A 40W amp with headroom to 80W will sound louder than one at 65W with no headroom.

Heck, I've heard home systems with a 15W tube amp and very efficient speakers (98) and the sound is loud and fantastic.

Oh, you may want to take your earplugs out!
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  #11  
Old October 15th, 2005, 11:39 PM
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Mike
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Quote:
Originally Posted by artm
Mike, TOOL? Boy, they must be a very inefficiant band. You know if you confine your listening to bands that are efficient you wouldn't need more power from your amp to get sound that's loud enough. Little known secret.

But seriously, if your speakers are inefficient (dB SPL/meter in the 80's) they will require more power to sound as loud as efficient ones (in the 90's and even 100's). I run a 40W amp in my home system with dual subs and satellites and it gets damn loud - too loud even. The amp is NAD with great dynamic headroom - 40W continuous and 80W for sustained peaks. I can't imagine that much volume in a car. A 40W amp with headroom to 80W will sound louder than one at 65W with no headroom.

Heck, I've heard home systems with a 15W tube amp and very efficient speakers (98) and the sound is loud and fantastic.

Oh, you may want to take your earplugs out!

What? I can't hear you.
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  #12  
Old August 3rd, 2009, 11:36 AM
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Nicole Bailey
1994/D90
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Code box for 1994 D-90

Any idea where the LED box for reading codes would be in my D90 1994?
Not under passanger seat??
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  #13  
Old August 3rd, 2009, 12:11 PM
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In the passenger footwell. Sort of behind the AC.
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  #14  
Old August 4th, 2009, 09:26 AM
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Nicole Bailey
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Thankx
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