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Originally Posted by jburson250
Kerswell . . . Great color choice! I've gotten many compliments on it over the months.
To improve my RF, I replaced the front door speakers with Polk db690 6x9's. The front speakers are an easy install. The rears are more complex - you'll need to come up with some sort of surround that moves the speakers inboard, away from the door frame and window (when in the down position). This surround is part of the rear door OEM speaker. In front it's a seperate piece. There are posts here on how to make them from particle board by bestatchess and others.
My db690's are 4 ohm speakers, the OEM's are 2 ohm. It made no difference. They sound great and integrated perfectly with the RF system. They made a noticible improvement. Please remember that speaker impedance is a factor of signal frequency. Frequency supplied to a speaker is constantly changing. There were posts here months ago insisting 4 ohm speakers would sound horrible if added to the RF. I have found those oinions untrue for my application.
The other inexpensive upgrade you can do yourself is to add polyfill to the OEM sub box. About a year ago I posted detailed info on how to do this. The original post (not by me) was titled "$1.57 Fix" or something like it. Search on "polyfill" and you'll find it.
Best of luck with your truck!
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Thanks much for the advice! I had no idea you could use 4 ohm speakers, and I'll look for the polyfill thread. I was somewhat worried that the rears wouldn't be that audible anyhow, but wasn't sure. As to copper, there are 7 different dealers within 35 miles of me. I regularly check the inventories and maybe 1 or 2 coppers will be available out of all 7 dealers!!! Tons of white, silver and smoke, with a smattering of blacks and reds. Of course, the copper ones never have what I want (KC SE, Trac pack or 4x4 but not Big Tow), so a local dealer added a copper LE KC 4x2 (I can't afford a LE 4x4) to his allotment. It should be here soon.