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Pioneer AVIC-U310BT


TClary
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Yea, I'm lucky to have a wife who's theory is buy the best available at the time you buy. :drool: The AVIC-Z120BT was also the only device I could find that had every feature I wanted already built-in. You'll be happy with any upgrade to the stock radio though.

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something I discovered about my Pioneer head unit that may be a problem for other pioneer products:

Mine has both amplified and line-level outputs for speakers. When I added an amp and rear speakers, we used the line-outs to the amp. The front speakers used the powered outputs through the TC's harness.

With the unit on, the rear speakers produced a distracting buzz that increases in frequency relative to increases in the engine RPM. Alternator noise.

- to try and eliminate this noise, we replaced my cheap old amp with a new modern one. Didn't help.

- We ran a new RCA cable. The original followed the power cable to the amp. Didn't help.

- We added a noise filter, once at the amp end and once at the head unit end. Didn't help.

- Finally we abandoned the line-outs and used the rear speaker out from the Pioneer. We also added a speaker/line-level adapter between the head unit and amp.

Problem solved. Noise eliminated. Apparently the amped side of the Pioneer is well shielded against noise, but the un-amped side is NOT. The noise was being picked up off the DC line feed to the Pioneer, and affects all line-outs.

4D

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- Finally we abandoned the line-outs and used the rear speaker out from the Pioneer. We also added a speaker/line-level adapter between the head unit and amp.

Problem solved. Noise eliminated. Apparently the amped side of the Pioneer is well shielded against noise, but the un-amped side is NOT. The noise was being picked up off the DC line feed to the Pioneer, and affects all line-outs.

4D

Thanks! I don't think we will be adding an amp. The Music will be for just the cab area....the cargo is full of dog crates, dog training gear and Dobermanns :) who don't much care whats on the radio :)

T

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  • 5 weeks later...

It's installed! Let the talk me into a small amp. Used Infinity component type speakers installed in the door. I love it! The nav works great and the Bluetooth for the phone is good, too.Haven't had any complaints on phone quality.

Terri

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