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Old 12-24-07, 09:18 AM   #11 (Link)
rubbersoul
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Alias: frank
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Loc: folsom pa
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Re: F113 maxxed?


allredp...Sorry that it has taken so long to get back with the results of setting up the Fathom113.Christmas and a bad cold have prevented me from jumping into my Home Theater room and I also had a severe problem with a HUM in my system that I never had before.

Enoungh with the sad stories. It is Christmas. Ther is a happy ending.

After solving the problem with the hum after having a friend of mine who is an electrician I eagerly read the JL Audio manual. I followed it exactly. I have to say I am not a tech person and therefore a bit on the thick-headed side when it comes for something to sink in and understand, however this manual was really simple read and I felt confident from the first read.

As I mentioned before my room is 25' long 12' wide and 7' high. My electronic equipment is under my screen in cabinents that I bought from IKEA. All of this is on a stage that is on a five and a half inch stage. My B&W 804's and my center speaker is also on the stage.
My first attempt in setting up the Fathom was having it on the stage between the left main and center. Not liking the results I switched the Fathom to the right side. It sounded decent but I was not fully satisfied.
I have an Outlaw 990/7700 processor and amp so in both setups let the 990 handle the crossover. Trim set to 0, phase to 0, 0 setting the LP filter. 0 dbs set on the 990. All spearkers set to small with the LFE setting. Had an Spl meter and also let the 990 do its own calbrating which I thought that setting sounded the best in my confiruration.

My friend thought that I could have a better response from the Fathom if the sub was set in the back of the room. But I have two big home theater chairs in the front and four movie type theater chairs behind them and I thought that in that setup I would have even more problems with the tight solid bass response that I was looking for. Besides the manual suggests the placement for one Fathom to be in the front right or left corner of ones room.
Rule breaker that I am and I also wanted to see what exactly the Fathom could do I moved the Fathom to the rear corner of my room.

HEAVY and a STRUGGLE it was. I put the Fathom on a blanket an slid the sub over to as close as I could before I had to lift it six inches off the ground onto the rear stage that my movie theater chairs sat. WHEW!!!!!

Now here is the odd part of the setup. I decided to listen to the Fathom as it was in that postion with the calibration settings from the front of the room with the volume set to about 1 o'clock and the 990 set to large for the mains, small for the center and rears at a plus two decibels setting on the 990.

I used my demo disc #9 from the home theater show and wow it was so awesome. I just do not know what to say except that I am very pleased. I am going to at least for right now leave the ARO calbration stay as is. You know the old saying, if it is not broke don't fix it.

Im Happy, this was the kind of sub impact that I was looking for....of course the Mrs. was hoping for something a little more subdued.
Let me know your thoughts about what I told you on my settings.

Have a GREAT HOLIDAY!!!

Frank


Infocus 7205,Da Lite Screen
Outlaw 990/7700
B&W 804's mains,HTM3S center,3-DS7's surrounds,Fathom 113 subwoofer
Pioneer Elite laser, Pioneer multi disc cd player
Sony 777 DVD player,Toshiba DVD player
MX 3000 remote,Monster 3500,3600 conditioners
Comcast, MIT & Monster cable


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