My first DIY for the LS430...Here comes the BOOM... - Page 15 - Club Lexus Forums


My first DIY for the LS430...Here comes the BOOM...

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Old 05-27-14, 07:18 PM   #211
Brewmyown
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Quote:
Originally Posted by ssdjoey View Post
this might be a dumb question but if you knew which wires that went into the amp were the power,ground,and remote could you use those wires for an aftermarket amp set up?
No you can't use the existing power wire. It needs to be connected directly to the battery but believe me, that's the easy part. All pieces just snap on and off from the back seat to the front dash along the door sills. The ground connects to any boot you find in the trunk (there are plenty). The line out convertor (LOC) connects right to the existing 4 subwoofer wires and you can get a switched connection (turns the amp on when car is on) from a fuse box in the trunk under the lift up panel on the left side of the trunk.

The hardest part of the whole process is getting the back seat and rear shelf cover off (which you need to do to change or repair the sub anyway). Install it all and tune the LOC and amp (good easy to follow instructions on crutchfield.com site) and you have some good sounding (and feeling) bass. The amp I used was cheap, guaranteed for 3 years and comes with a remote that I ran while I ran my power wire and installed it under the dash so I could adjust the sub volume (if needed) easily.
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Old 05-27-14, 07:23 PM   #212
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I'm likely going to cut the sub opening a little and try a 10" sub. There's plenty of room (I don't have a UL model) in the rear deck to opening it up for a 10" sub. I wish I would have taken it apart before buying the sub because I would have bought a 10" sub to start. Don't get me wrong the 8" has plenty of boom. I just like experimenting.

Last edited by Brewmyown; 05-27-14 at 07:50 PM.
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Old 01-29-15, 11:10 PM   #213
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Thanks to this thread, I installed a Polk Audio db840DVC sub, and it works. Wired in series, for 8ohm resistance. Getting some rattle when I crank it up, so I'm going to pull it back out when I have some free time to try and dampen the vibrations. Seems to be hitting the mounting brackets when the cone makes big movements.

I really advise taking some pictures of the stock sub with the brackets attached before you detach the sub. The brackets are not fully symmetrical, and the wire connections have to be on the same side as the original. I ended up having to pull the Polk back out to get the brackets right.

Also, I had to buy a pry tool to get the rear deck clips out because they were in so tight.

Nice to have some bass again!!!!
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Old 03-19-15, 01:47 PM   #214
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Originally Posted by RomanTPA View Post
So if 8ohm will work... here is good cheap replacement, and its $40 right now

Kicker 10C88
Comp 8" 8-ohm subwoofer





power requirements look like this will be good to work with factory amp without putting much more stress on it

Size 8 -inch
Impedance 8 ohms
Cone Material Injected Polypropylene
Surround Material Ribbed foam
Free-Air Yes
Dual Voice Coil No
Sensitivity 85.6 dB at 1 volt
Frequency Response 30 - 500 Hz
RMS Power Range (Watts) 50-100
Peak Power Handling (Watts) 200
Top Mount Depth (inches) 4 1/16


<<<YOU CAN GET IT HERE>>>

I hope this helps for all of you that complain about either:
a.) cant find good price
b.) cant find 8ohm sub
c.) cant find free air/infinite baffle
d.) cant find a cheap free air 8" sub

Hey there do you know if there is another option for a replacement sub as the Kicker 10c88 is no longer available.
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Old 03-20-15, 12:35 PM   #215
honasbone
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Originally Posted by gupta643 View Post
Hey there do you know if there is another option for a replacement sub as the Kicker 10c88 is no longer available.
For what it's worth, I replaced the foam surround on the stock sub and added dynamat the rear deck. I then move the fader to the rear a couple notches. Plenty of bass now. Too much bass on some rap songs actually (not the fault of the stereo - the fault of the record producer/sound engineer that decided to make a loud album). Makes for a balanced music experience with all other genres though. Not sure if you've considered that route yet or if it works for your situation. Thought I'd put it out there in case it helps some.
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Old 09-09-15, 06:55 PM   #216
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Originally Posted by honasbone View Post
For what it's worth, I replaced the foam surround on the stock sub and added dynamat the rear deck. I then move the fader to the rear a couple notches. Plenty of bass now. Too much bass on some rap songs actually (not the fault of the stereo - the fault of the record producer/sound engineer that decided to make a loud album). Makes for a balanced music experience with all other genres though. Not sure if you've considered that route yet or if it works for your situation. Thought I'd put it out there in case it helps some.
I just replaced the foam as well - 23$ plus shipping - Sounds great so far.

I had lower the bass to the max until this fix. Now back to normal. While cranking the volume a bit to test the refurbished sub, I noticed another shut/cracked speaker in the rear/passenger side door.

One thing fixed just to find out another one was bad - Dammit!
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Old 09-08-16, 12:24 PM   #217
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I'm back! I just bought a minty fresh 02 Ultra. Guess what I have to do?

Glad I left this DIY here.
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Old 09-08-16, 08:12 PM   #218
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Originally Posted by xsuperjoex View Post
I'm back! I just bought a minty fresh 02 Ultra. Guess what I have to do?

Glad I left this DIY here.
Jus bought an 04 Ultra, I feel your pain. So what's the consensus nowadays? LOL
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