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Discussion Starter #1 (Edited)
Please read my original thread "EX-L radio in a EX?" to see where the discussion went. To sum it up, I want to use my stock head unit, then EQ and amplify it. If I have to upgrade to the premium output head unit to do so I will, but prefer not to. This is my latest post to a member on that thread, and please feel free to comment or advise. My level of technical knowledge and skill from one to 10 is about a five or six.

So before I (continue to) get totallyconfused)...

1) Do I HAVE to upgrade to the premium radio ro can I not simply upgrade mysystem via a line level converter-type set up? I can and will make sure that either the EQ and/or the amp(s) have differential balance inputs.

2) My "plan" is this: keep the stock radio...

3) Use the "Honda Accord Factory Radio wiring harness 2008-2010" likeebay item #190394574398 to go from the radio to the car
http://www.ebay.com/itm/190394574398?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

4) To the speaker wires coming off that radio harness, add on two sets of Kicker line level to RCA adapters #09ZISL
http://www.sonicelectronix.com/item_17680_Kicker-ZISL-09ZISL.html

OR

4a) Metra 4 channel converter AX-ADCT4
http://www.metraonline.com/part/AX-ADCT4


5) heat shield/attach into the car harness using Scosche HA11B or metra 70-1729 (and shield off/cut off/don't use the speaker wires or other non-functionals)
http://www.ebay.com/itm/270741613748?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

6) Run the RCA's to an EQ (I like the Kenwood KGC-4042A...have used it manytimes, also has bass level control)
http://www.kenwoodusa.com/Car_Entertainment/2010_Car_Entertainment/KGC-4042A

7) and if I choose to not use the EQ (though unlikely) I run right to a 5channel amp, Kicker 10/11ZX700.5 (SonicElectronx shows two versions - a 10ZXand 11ZX, not sure the difference)
http://www.sonicelectronix.com/item_21952_Kicker-ZX700.5-10ZX700.5.html
AND THIS AMP (AS DO THE KICKERS) HAS BALANCED DIFFERENTIAL INPUTS

8) choose my front 6.5"/6.75" speaker componenets

9) choose rear deck 3- or 4-way 6.5"/6.75" pair of speakers

*** QUESTION - METRA SHOWS A 70-1730 FOR "HONDA 2008-UP AMPLIFIEDVERS" - WHAT CAN I USE THIS FOR OR CAN I NOT? WILL IT ELIMINATE THE NEEDFOR THE ABOVE TWO HARNESSES OR COULD I USE THE FIRST ONE MENTIONED, PLUS THISONE INSTEAD OF THE HA11B AND ALSO ELIMINATE THE LINE LEVEL/RCA ADAPTERS? ANDWHAT IS THAT OTHER SMALL, SQUARE PLASTIC PLUG IN THE PICTURE FOR? ***
http://www.metraonline.com/part/70-1730

10) side question...will Metra 72-7800 Honda speaker connectors work???

Summary: Stock versus premium head unit, which harnesses to use, which line level adapter to use - or NOT use (maybe based on that 70-1730 metra harness),to EQ or not EQ, the amp (I like a 5 channel), speakers/adapters.

Feedback? Help? Advice? Do I have it right? IF I DON'T, KELP GET ME THERE!
 

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Sounds like a lotta work. I would put in a nice aftermarket touchscreen navi deck, and forget a factory Lego deck. Way more to offer than factory. The only thing is that you lose imid control.
 

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Discussion Starter #3
I figured I'd get a reply like this, and thanks for the input, but all due respect I want the factory look. I don't want an aftermarket head unit, I don't want navi. I want my imid. So please any further posts please make them based on my original post and its contents, thanks.
 

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If you keep your current radio, you have several options.

The best option of course is still use the reverse (into radio) and normal (into car) and make your own harness. Reverse harness goes to your LOC. Your stock radio would not have remote wire so your LOC would provide remote power. Then run the front channels back to the "normal" plug. That you would not have to run wires into the doors.

Another option would be tap to your front channels from tweeter line on the pillar (since you will change your tweeters anyway), and from the rear speakers. This would give you 4 channels but you would run new wires all the way into the door. Not particularly hard but do need some work.

If you use LOC like the differential converter you don't need to use differential balance input. The differential balance is for use with Premium audio system, directly into CD player only.

The differences between premium/non-premium are:
1. Premium outputs "flat" signal. Non-premium outputs EQ'd signal. RED line is the output of the radios on the front channels.

vs


2. Premium uses 3.25V pre-amp level differential balance (no internal amp), non-premium is speaker level (with internal amp).
3. Premium has subwoofer level control.
 

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Discussion Starter #5
Thanks for the answers. I'm gonna keep the stock - the Kenwood EQ flattens the signal when it is turned on, so that takes care of that, and it has sub control as well.

I did this same LOC set up some years ago with my Mazda Protege5 and the sound was awesome, no noise, no issues at all. I used the Scocshe LOC, though I may try the Metra one this time.

Any preference or suggestion on which I should use? For a third or fourth LOC brand option?) Any particular twisted RCA preference? I had good luck with the Stinger last time.
 
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