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With the availability of the arc audio XdiV2 multi channel amplifiers and the Morel tempo ultra speakers, we have been able to do fully active SQ builds at a lower entry price point compared to before, and over the past month or so, we have knocked out quite a few of them. Lets start with this simple build in a 2006 Mercedes C55 AMG.

Julia performed most of the work on this build, and it is her last project with us. It wasnt an ideal fit as far as what we were looking for with a 3rd full time installer, but dont worry, we did help find her another position at a shop in the bay area. :)

the goals were simple:

1. achieve a decent level of sound quality on a relatively modest budget

2. maintain a near total oem appearance both in the trunk and the interior

lets get started.

first two quick pics of the car, still a mean looking thing IMO:





for the signal source, a pioneer 4600BT double din headunit was chose:



we also installed a pioneer backup camera:





as mentioned before, the front stage is to be completely stock looking:





so the morel tempo ultra 6.5" components went into stock locations.

first, new wires were run into the doors and the outter door skin sound proofed with blackhole tile:



then a pair of spacer baffles were fabricated and coated with several layers of truck bedliner to protect them against the elements:





then the spacers were bolted in place using oem mounting points and the morel tempo ultra midbass was installed:



the outter door skin also received some treatment via CLD dampers, though from experience, these arent a huge source for resonance:



the same procedure was then repeated on the passenger side:







the morel tweeters were installed in the factory sail panel locations:



then comes a series of pictures that show the wires running from the front of the car to the back, all the signal wires came down the driver side, while the main power cable came down the driver side. most of it is hard to see as its tucked into the factory plastic conduit:











 

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moving onto the trunk. here is the normal view, and as you can see, it looks 100 percent stock:



lift up the factory carpet mat and you see a black carpeted cover flushed into the spare tire well, nothing can be see and everything is fully protected:



pop off that cover and you see a simple spare tire well enclosure housing two audiomobile GTS10 subwooers. nothing fancy or showy, purely functional and stealth:





the amp and signal processor is mounted on the underside of the rear deck, via a board that is bolted to the factory metal using rivet nuts:





the Mosconi 4to6 dsp provides all the processing, while an arc audio Xdi 1100.5 powers the morel tempo ultras with 150 watts x4 active, and 500 watts to the two audiomobile subwoofers. here are some close up shots of the equipment and the wiring, i apologize for the crappy pics as it is very hard to get a good angle with the camera :)















and finally, a few quick build pics. the spare tire well was taped off:



and 6 layers of fiberglass went in to form the bottom portion of the sub enclosure. once it was cured, it was removed. trimmed, and test fitted:









then a top was cut out and test fitted to the box, and then molded into the enclosure:



then the top spacer rings and spacers platforms were secured:



and the top cover was fabricated andt he breathable mesh secured:





this piece was then carpeted with black trunkliner:





and finally, here is the amp rack before and after vinyl, and after being bolted to the underside of the rear deck:







so thats it, exceedingly simple build for us...but honestly, this was quite a surprise from a sonic standpoint. even though we have done quite a few two way active systems using this amp and these speakers, this one really shined. stage is wide and with good depth, height is a few inche above the dash with a decent center. but tonality wise its really good...very well balanced...very good impact and extension on the midbass, and the transition from the midbass and tweeter was very good as well, along with the trademark smooth morel top end. the two subs provided very good bottom end reinforcement and performed well with all sorts of music.

quite honestly, if you asked me a year ago if this kind of sonic outcome can be achieved with this kind of budget from us, i would have said no...but really, this combo of arc xdiv2 and morel tempo ultra is really proving their worth! look for many more builds featuring this combo! :D
 

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Wow! Nice work. My buddy is putting a system in his classic BMW 320. I think he should do something similar.
 

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Very clean install! Good to hear that it sounded so nice.

Did you retain steering wheel controls?

Was an adapter of some sort used to interface the Pioneer, or deal with MOST (if the car had it)?

And did you use any of the existing factory wiring?

Ya know, I enjoy these simple builds from time to time, as well as the much more intricate, yet still simple :) , builds you guys perform.
 

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Even your budget installs look spectacular.
 

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Bing, what's your reasoning in choosing the ARC 5-channel amp, over offerings from other brands like JL, Alpine, etc. for builds in this budget?
 

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Bing, what's your reasoning in choosing the ARC 5-channel amp, over offerings from other brands like JL, Alpine, etc. for builds in this budget?
because we are an arc dealer and support their products just like they support us :)

and also truth be told, the new xdiv2 is right now in my opinion, in a league of its own when it comes down to price/size/performance ratio...

our goal is always to pick the gear thats available to us that best suits someones budget/needs/space, and honestly, we keep on coming back to the multi channel xdiV2s cause nothing else fits the bill from the inventory that we deal. :)
 
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