lexsc492

i just finished installing 6x9 in my front doors because the front speakers were dead by appearance. ripped and torn. the new setup looks like its gonna kick. unfortunately i still havent gotten my system going and i have this car for about 3 weeks already.
so i've been studying the nak diagrams that i found thanks to this forum. if i have time, tomorrow i will be cutting up the factory harnesses from the trunk. i am going to attempt to connect the line output converter to the front L and R outputs (+) (2 wires) and both negatives to the signal ground; all from the trunk amp plugs. then i will connect the remote and speakers also from the plugs in the trunk. i won't touch the headunit. i hope that this will work and i will post to let you know. later.

lexsc492

last night i finished routing the power cable throught to the trunk. then i connected the line output converter to the positive speaker wires and both to one signal ground. the loc is in the trunk. then i wired the speakers to the amp from the harness that was supposed to connect to the nak amp. so now finally i have music! the downside is that its not that good quality which could be due to the speakers or possibly the rca connection? also i can only work one pair of speakers. i think i will need to get another loc and rcas to make the whole system work. but im not sure. does anyone know an easier way to do this?

johnee78

iTrader: (4)

you installed 6x9s in your front doors???

lexsc492

yep 6 by 9

johnee78

iTrader: (4)

In an SC?? I wasn't aware that you could fit such a large speaker in the doors..

lexsc492

i used the factory enclosures. first i took them out of the door. then i unscrewed it into two pieces. on a 92 sc400 the back part of the enclosure does not have mounts so i had to cut them off of the front piece and screw them on. when i take apart my doors again i will take a pic.

SCoupe

I have the front door panels off my SC300 now and can clearly see that you could put 6x9's in the door openings. SexCoupe, the fact that you used the existing factory shell suprises me, I don't know how you'd seal that thing up because it has so many crevices. I am putting in 6 1/2" rounds into a painstakingly crafted piece of 1/2 inch MDF that I templated, cut, used a router to rounded off edges, weather striped, and sheet metal screwed directly into the massive opening in the door. (Just know that you'll spend one hell of a long time doing that piece of wood to hold your speaker and you'd need to be patient and have some array of power tools to pull it off, speaking, of course, about hackers like me.)

SexCoupe4, what did you do to keep intack the signal to the door tweeter? Ditching that upper part of the two piece factory enclosure loses the signal to the door tweeter. Maintaining that signal took some extra work to transplant it from my gutted factory enclosure into the new MDF mounting that I fabricated.

Now the real question, how much of the sound of my 6 1/2" or SexCoupe4's 6x9" is going to make it out of out tiny four inch door grill that we're pretty much stuck with. Don't know that yet, not finished. I'll post a picture of the raw opening if I can find my digital before I wrap it up. It's has capacity to hold that 6x9 for sure, but you're going to fab.

lexsc492

i cut out the wires that connect the speakers and the tweeters from the plastic and used them. everything works and sounds great and LOUD even with my amp gain at a very low level.
my question: is there a way for the amp to output to all four speakers with one set of rcas? i used one line output converter and one rca cable. there are 2 inputs for rcas on my 4 channel amp. so when i plug in the rcas to either input i have either front or rear speakers working. maybe i can wire in all of the speaker outputs from the headunit to the one converter. anybody have any tips or suggestions or know anything about this? all help appreciated.

SCoupe

Perhaps your answer is in this thread or pm the guy: https://www.clublexus.com/forums/sho...threadid=13182

Also helpful: https://www.clublexus.com/forums/sho...t=89612&page=1

lexsc492

ok guess i will try to pm

lexsc492

im going to add another loc and rca cable so i will have all four speakers working.

stevechumo

iTrader: (5)

Since you're very good at this, may I ask you something? Do you know the sizes of the front & rear stock speakers for a 1995 SC400? I don't mean the subwoofer. For the rear, how did you remove the right & left speakers? I tried to pry them from the top but they seemed to break. Thanks.

SCoupe

4" paper cone made by Pioneer. You have to remove the rear seat and the entire rear shelf to get at them. There is an awesome how to posted elsewhere in this forum.