Realm of Excursion - View Single Post - Build Log V2 (06' Si)



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Old 01-09-2016   #145 (permalink)
Beckerson1
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Default Re: Build Log V2 (06' Si)

Just a week away till I drop off the Car at Jay's and he does his magic. I've been putting off doing driver orientation for the Ram3a's for a while now and the time for procrastination is over.

So lets start off with the REW results ( Added 1/6 Smoothing for ease of seeing the general curve. Ran sweeps from 80hz to 20kHz with crossovers set for 250hz+ ) :



Each time I ran 4 sweeps total with the mic near middle of head facing forward. Not much averaging going on for this as I'm more interested in what my ears hear vs going strictly by the graph.


Brief description of what I heard:


Purple (Driver side mid facing passenger side O crap handle and Passenger mid facing driver side O crap handle)








Width seemed to lack a little bit with this setup. Vocalists seemed to be more centered between the speakers vs others. Low midrange (granted this will improve with a enclosure) lacked more umph then the other variations.


Greenish Orange (Drivers facing towards Rear map light/Ear height for the focal point)






Width improved vs the O crap option. Seemed to extend more towards the rear facing mirrors. Vocalist pulled more towards the driver side but not as bad as the drivers facing driver option. Low midrange much improved and gave a fair amount of punch even so being free air. Also you will see this option seemed to remedy the dip in the 600hz to 900hz range. I assume I had cancelation going on with the drivers facing driver option?


Black (Drivers Facing Driver)









Width was very similar to the one above. Seemed to extend more towards the rear facing mirrors vs what seemed to be more limited to A pillar to A pillar with the O crap Option. Vocalist pulled even more towards the driver side mid. As said above there is more of a dip around 600hz to 900hz. You upper end was slightly more noticeable vs the option above BUT both were very similar.



Overall I seemed to like the Drivers facing Rear map light/Ear height option the best.


Now of course the finished product with have the same orientation but the drivers will be pushed back as much as possible and as close to the A Pillars as possible.



Once I figured out the orientation I wanted I just wanted to do a quick test run (added some delay to the driver side mid) and reintroduced the Anarchy's set to play from 50hz to 250hz. I will tell you this. Talk about sweet zone. I can't wait to listen to everything once its in and get to tuning. Already can tell you its a but load better then what I have already.
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