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JL Audio Fathom 12" Sub - Page 8

post #211 of 402
4/21/08 at 4:10pm
Quote:
Originally Posted by jakeman View Post

Rob what cables? Depending on the electrical characteristics of the cables and their interaction with the amps or speakers you may hear a difference. Whether or not that difference is an improvement in sound quality is where the problem arises. Unless you have alot of RF interference its doubtful they will be worth the price he will be asking for them. The Blue Jeans or Mogambi cables are a good reference for price and quality comparisons.

He is bringing a couple of Kimber Kable models. Again, I have low expectations but would love to be surprised as I like it when conventional wisdom is thwarted.
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post #212 of 402
4/21/08 at 8:03pm
Kimber makes good products. Unfortunetly they didn't make much difference in my systems. If you need more 4PR or 8TC let me know.
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post #213 of 402
4/22/08 at 5:20am
Quote:
Originally Posted by RMK! View Post

I just went through a process of elimination and now have a pair of F112's heading my way to add to the F113 pair currently in my HT. I had considered a pre-order for a pair of F212's and selling my F113's but in the end decided I like the flexibility (and challenge) of a quad sub config.

This process started back in the fall when I had an Audio Get Together (GTG) at my house and we did an informal evaluation of my dual F113's and another forum members SVS PB13 pair. Both sub pairs sounded great but we were able to push both sub pairs to distortion with certain heavy LFE output material (the Pulse DVD being the biggest offender).

Since that time, I have noticed that when really shaking things up (ie running the subs a bit hot ) and playing bass heavy material I could get the Fathoms to "rattle". This is believed to be the Fathoms limiter kicking in to protect the driver from damage. While I'm glad the sub has this protection, I have become a bit of a bass head and wanted more clean output than the dual F113's could provide in my 3600cf room.

I looked at the various options like the ED and Epik monster subs and also considered an IB setup but all of these seemed to have issues (huge, heavy, ugly) or too time consuming and sketchy (IB) for my capabilities and available time. I had already heard the SVS and it really offered no significant improvement over the Fathoms in output and to me was a bit less articulate.

So the F112's will be here in a week or so and I'll post my impressions. My dealer will be assisting with the install and this will be the first time I have had a "professional" in to evaluate/assist with my system. Should be fun and interesting. There may be another GTG in the offing so I will get other takes on this quad setup as well.

you are such a copy cat!

quad avalanche 18"s sealed with crown K2's as the power plant are coming to a sherv's home near you:
http://www.avsforum.com/avs-vb/showt...1#post13636911
http://www.avsforum.com/avs-vb/showt...2#post13640602


no, but in all seriousness, quad sealed Combo of F113's and F112's should get you a much smoother FR and decay with proper placement. Congrats man!!! Looks like you are reaching audio Nirvana!
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post #214 of 402
4/22/08 at 7:03am
Quote:
Originally Posted by ssabripo View Post

you are such a copy cat!

quad avalanche 18"s sealed with crown K2's as the power plant are coming to a sherv's home near you:
http://www.avsforum.com/avs-vb/showt...1#post13636911
http://www.avsforum.com/avs-vb/showt...2#post13640602


no, but in all seriousness, quad sealed Combo of F113's and F112's should get you a much smoother FR and decay with proper placement. Congrats man!!! Looks like you are reaching audio Nirvana!

And I thought I was marching to a different drummer

Reading (partial) your thread made my head hurt. Quad 18's in sealed 24" cubes eh? Well that is quite a departure from the Towers. The tour of the JL factory must have made an impression on you.
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post #215 of 402
4/22/08 at 7:06am
lol, prolly more the rantings of bossobass.
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post #216 of 402
4/22/08 at 7:46am
Quote:
Originally Posted by RMK! View Post

Well that is quite a departure from the Towers. The tour of the JL factory must have made an impression on you.

Quote:
Originally Posted by armystud0911 View Post

lol, prolly more the rantings of bossobass.

har har....

actually, no.... It's called trial and error. Wood is cheap, and the best way to get to where you want is to build a system that best suits you. I think a quad 18" sealed setup, properly EQ'd, with L/T to extend the low end, will integrate much better in my acoustically challenged room.

not to mention getting those two missile silos out of there...honestly, they are becoming an eye sore, even to me!
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post #217 of 402
4/22/08 at 10:34am
Quote:
Originally Posted by ssabripo View Post

har har....

actually, no.... It's called trial and error. Wood is cheap, and the best way to get to where you want is to build a system that best suits you. I think a quad 18" sealed setup, properly EQ'd, with L/T to extend the low end, will integrate much better in my acoustically challenged room.

not to mention getting those two missile silos out of there...honestly, they are becoming an eye sore, even to me!

Yes wood is cheap but fortunately, my time isn't so turnkey works better for me. That said, I imagine your quad 18's will out perform any commercial sub including the Gotham.

You may (if you haven't already) want to check out the Harmon paper on Subwoofer placement oft referenced by Jakeman and most recently in the Gotham review referenced by Manville Smith in the Gotham Thread. This will be my guide to placing my quads. http://www.harman.com/wp/pdf/multsubs.pdf.
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post #218 of 402
4/22/08 at 10:36am
Quote:
Originally Posted by ssabripo View Post

not to mention getting those two missile silos out of there...honestly, they are becoming an eye sore, even to me!

Wow! I guess we are all moving forward in our own ways.
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post #219 of 402
4/22/08 at 11:22am
Quote:
Originally Posted by RMK! View Post

You may (if you haven't already) want to check out the Harmon paper on Subwoofer placement oft referenced by Jakeman and most recently in the Gotham review referenced by Manville Smith in the Gotham Thread. This will be my guide to placing my quads. http://www.harman.com/wp/pdf/multsubs.pdf.

absolutely! I've been using that model as my baseline! Of course, once in place, I'll still have to wiggle it and see how my acoustically challenged room behaves.
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post #220 of 402
4/22/08 at 11:26am
Quote:
Originally Posted by ssabripo View Post

absolutely! I've been using that model as my baseline! Of course, once in place, I'll still have to wiggle it and see how my acoustically challenged room behaves.

Makes a compelling case for quad subs ...
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post #221 of 402
4/22/08 at 11:51am
Quote:
Originally Posted by RMK! View Post

Makes a compelling case for quad subs ...

i'm still intrigued on why you went with 2 F112's instead of two more F113's...
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post #222 of 402
4/22/08 at 12:17pm
Quote:
Originally Posted by ssabripo View Post

i'm still intrigued on why you went with 2 F112's instead of two more F113's...

What, you didn't buy my explanation in post 206?

I like the slightly smaller size for placement flexibility plus the F112's have a bit more extension in upper bass. I am not as enamored of the under 20 Hz content. If I can get the 20-120 Hz right, I will be a happy camper.
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post #223 of 402
4/22/08 at 2:28pm
Quote:
Originally Posted by RMK! View Post

What, you didn't buy my explanation in post 206?

I like the slightly smaller size for placement flexibility plus the F112's have a bit more extension in upper bass. I am not as enamored of the under 20 Hz content. If I can get the 20-120 Hz right, I will be a happy camper.

Makes sense, now you will have all the articulation in that range.

Happy camping.

Paul
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post #224 of 402
4/23/08 at 6:17am
Quote:
Originally Posted by DOMAIN64 View Post

Makes sense, now you will have all the articulation in that range.

Happy camping.

Paul

I hope that is the case. In regard to VLF's, I am waiting for a more affordable version of the TRW (Thigpen Rotary Woofer) to come come along. Now that would be a nice compliment to a set of Quads.
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post #225 of 402
4/23/08 at 6:56am
pics Rob! pics!

one f112 on top of the f113 for comparison ... all 4 in one pic
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post #226 of 402
4/23/08 at 9:52am
Quote:
Originally Posted by ribbit View Post

pics Rob! pics!

one f112 on top of the f113 for comparison ... all 4 in one pic

I get the F112's next Thurs. Will post some pics then.
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post #227 of 402
4/23/08 at 11:54am
Quote:
Originally Posted by RMK! View Post

I get the F112's next Thurs. Will post some pics then.

that will be sweet!

with proper placement, ARO engaged and calibrated appropriately, and you will have so much distortion free headroom, plenty of extension, and good transient response!

sick!
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post #228 of 402
4/23/08 at 2:58pm
Quote:
Originally Posted by ssabripo View Post

i'm still intrigued on why you went with 2 F112's instead of two more F113's...

I have the patent on 4 F113s and he didn't want to get sued.
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post #229 of 402
4/23/08 at 6:13pm
Just received my solo F112 today.

I purchased Aerial 9 fronts for a full soundstage and just wasnt there on low bass sources and I had no bass management through my Theta Gen 8. I can tell you that this sub has transformed my system and not taken over my small room.

What I really like is that it just fills in where the Aerials dont. Great sub very happy. Steely and Gabriel are sounding really punchy!

Paul
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post #230 of 402
4/23/08 at 6:35pm
Quote:
Originally Posted by The Bogg View Post

I have the patent on 4 F113s and he didn't want to get sued.

You Canadians are soo inventive eh.
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post #231 of 402
4/23/08 at 6:54pm
Quote:
Originally Posted by RMK! View Post

You Canadians are soo inventive eh.



Congrats on the new subs.
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post #232 of 402
4/23/08 at 7:02pm
Quote:
Originally Posted by The Bogg View Post



Congrats on the new subs.

Thanks, now how about some more pics of your new theater room and the quad F113's?
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post #233 of 402
4/23/08 at 7:40pm
Quote:
Originally Posted by RMK! View Post

Thanks, now how about some more pics of your new theater room and the quad F113's?

Nothing much new in the front of the room (those pics are still in the F113 thread). I've been diddling around with my projector and anamorphic lens. Damn it's finicky to get setup. In the picture below I'll probably put Fathom #3 below the Lutron Grafik Eye, with #4 on the opposite wall. It's pre-wired for this and if it doesn't work out then they'll go up front. Next few days will be spent dusting, putting the equipment in the rack and then finally bringing in the second pair of subs. I'm excited just to hear the first pair soon. I've heard the best musical bass out of my speakers in this room and I get goosebumps thinking about how the fathoms are going to sound.

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post #234 of 402
4/23/08 at 8:15pm
Quote:
Originally Posted by DOMAIN64 View Post

Just received my solo F112 today.

I purchased Aerial 9 fronts for a full soundstage and just wasnt there on low bass sources and I had no bass management through my Theta Gen 8. I can tell you that this sub has transformed my system and not taken over my small room.

What I really like is that it just fills in where the Aerials dont. Great sub very happy. Steely and Gabriel are sounding really punchy!

Paul

Good choice and welcome to the club!

Craig
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post #235 of 402
4/24/08 at 9:37am
Quote:


ust received my solo F112 today. I purchased Aerial 9 fronts for a full soundstage and just wasnt there on low bass sources and I had no bass management through my Theta Gen 8. I can tell you that this sub has transformed my system and not taken over my small room.

What I really like is that it just fills in where the Aerials dont. Great sub very happy. Steely and Gabriel are sounding really punchy!

Paul

Though I have not heard the Aerial’s, a Forum friend sold me his NIB Revel Performa’s after he heard the 9’s and he was thrilled with them. Is yours a music only system?

Quote:
Originally Posted by The Bogg View Post

Nothing much new in the front of the room (those pics are still in the F113 thread). I've been diddling around with my projector and anamorphic lens. Damn it's finicky to get setup. In the picture below I'll probably put Fathom #3 below the Lutron Grafik Eye, with #4 on the opposite wall. It's pre-wired for this and if it doesn't work out then they'll go up front. Next few days will be spent dusting, putting the equipment in the rack and then finally bringing in the second pair of subs. I'm excited just to hear the first pair soon. I've heard the best musical bass out of my speakers in this room and I get goosebumps thinking about how the fathoms are going to sound.


Thanks for the pics Bogg, great looking room. My guess is that very few Home Theater’s can out perform yours. I look forward to the details of your quad Fathom placement and of course, more pics.
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post #236 of 402
4/24/08 at 10:30am
Thanks Rob. I'm going to start the construction thread real soon. I'll post again once the fathoms have been listened to (hopefully this weekend).
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post #237 of 402
4/24/08 at 12:08pm
Quote:
Originally Posted by The Bogg View Post

Thanks Rob. I'm going to start the construction thread real soon. I'll post again once the fathoms have been listened to (hopefully this weekend).

You've had those Fathoms for weeks now... and you haven't listened to them yet???

My HT redux is about 75% complete and I've been watching movies for weeks. (Of course, that may explain why the remaining 25% of the work isn't getting done.)

I too will post pics when it's finished.

Craig
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post #238 of 402
4/24/08 at 1:45pm
Yeah it's hard to believe. I just haven't hooked up my Anthem D2 yet so that's why I haven't listened to them. Spent a lot of time fiddling with the projector and lens - definitely not plug and play!

C'mon Craig John, post some 75% complete pictures.
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post #239 of 402
4/24/08 at 6:28pm
[quote=RMK!;13718864]Though I have not heard the Aerial’s, a Forum friend sold me his NIB Revel Performa’s after he heard the 9’s and he was thrilled with them. Is yours a music only system?

Yes,

For the most part. The 9's have four 7" woofers and are full down to 30 and require alot of power i.e. 400 watt Theta Enterprises into 4ohms here. Really great speakers if you can manage them a little, however my gen 8 does not allow bass management and now I have that ability. I did not initially account for that limitation, but was happy with the overall sound. What happened is I realized that at least 1/2 of the material out there through my squeezebox was not bass friendly with the setup. Luckily, I found that the Gen 8 has dual outs and permits a sub application. I will add that the Gen 8 is amazingly quiet and accurate, I just wanted more punch.

I now understand low frequency subtlety. Its truly amazing how this sub gets low. I really believe that every 2 channel system purist needs to look at adding these subs. They pick up all of the botttom and create a stage. I was listening to some Pink, Dark side, and that low end background on that cd was incredible.

Paul
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post #240 of 402
4/25/08 at 8:39pm
Quote:
Originally Posted by The Bogg View Post

C'mon Craig John, post some 75% complete pictures.

The wife brought the camera home from work tonight. I'll try to take some pic's tomorrow. One of the problems is that I've made the viewing end of the room such a "black hole" that it's hard to get enough light to take photo's. I may need to rent some professional photo lighting just to take viewable pictures. I'll try tomorrow and see what I can come up with.

Craig
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