7 SEOS12's, 7 Cel 15's, 6 Dayton UM's, Build Thread - Page 17 - AVS | Home Theater Discussions And Reviews
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post #481 of 492 Old 06-07-2014, 02:31 PM - Thread Starter
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Speaker #6 & #7 are done!



This is not their final resting position, just taken for quick photo.


The LCR's aren't totally finished yet, I have to revisit them. So that's up next...
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post #482 of 492 Old 06-18-2014, 02:10 AM - Thread Starter
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I tried How To Train Your Dragon for the first time today.

The movie goes to 0.9 and 1.6hz?

The 6.5hz... my system can just barely reach that one because of my amplifiers.

First attempt got 104db @ 24hz max-peak.

and according to my UMC Mic-1 peak was 22hz:



Then I turned the LFE up another 3db.
Second attempt got 111db @ 28hz:

Didn't create a waterfall of that one.

Here is the raw LFE channel:



Got it crossed over at 80hz at the moment because I'm in the middle of experimenting with new sub positionings.
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Last edited by BassThatHz; 06-18-2014 at 02:18 AM.
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post #483 of 492 Old 02-09-2015, 11:44 AM - Thread Starter
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When I get my tax return (assuming I don't owe anything), I was thinking of buying the last bit of DSP and XLR cables I need to get one step closer to completing my speaker-goal:


My speaker-goal was to have enough DSP for 3-way active LCR's,
which takes up 9 of the 18 channels of the DCX's,
the other 9 channels are for tri-channel subwoofers.

3 boxes with 9 inputs, of which I'll be using 8. So I need 1 XLR Y cable for the LFE, and another for the stereo signals.


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Last edited by BassThatHz; 02-09-2015 at 11:53 AM.
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post #484 of 492 Old 02-09-2015, 11:47 AM
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I feel ya, man. It's a ton of wiring and a lot of amplifier channels. Makes my head hurt (seriously) when I have to hook them up or make a change.

This will be your third DCX, right?

If so .... welcome to the club. The Three DCX Owners Club.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #485 of 492 Old 02-09-2015, 12:26 PM - Thread Starter
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Quote:
Originally Posted by Scott Simonian View Post
I feel ya, man. It's a ton of wiring and a lot of amplifier channels. Makes my head hurt (seriously) when I have to hook them up or make a change.

This will be your third DCX, right?

If so .... welcome to the club. The Three DCX Owners Club.
Yep 3rd.


So that's 30 XLR cables and 2 XLR Y splitters, and 6 RCA cables.

If I want to stereo sum the center, then I'll need a 3rd Y splitter for the Left matrix.


If and when I upgrade to an XMC-1 or RMC-1, I'll be able to get rid of the cleanboxes and RCA cables altogether, which will make things a bit simpler and more compact and changeable via remote control.
I'm not 100% sure if a XMC-1 is good enough to replace a 105 DAC and XSP-1 for music. I could always keep all 3 if not, the wiring is easy.
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Last edited by BassThatHz; 02-09-2015 at 12:49 PM.
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post #486 of 492 Old 05-12-2015, 06:18 PM - Thread Starter
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While you guys were stuffed in an office all day listening to your boss screaming at you about how poor of a job you are doing... I was here getting a suntan and farting around with H2O.


With more money now rolling in, I suppose it is time for me to stop farting around and continue upgrading the theater... (I mean I sort of have been already with the HTPC upgrades), but I mean... the features and/or acoustical-side of it!
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post #487 of 492 Old 05-12-2015, 07:03 PM - Thread Starter
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Order placed.
One step closer to done...

This will allow me to discretely adjust the timing on my horn subs, and allow a fully-active 3-way center channel, and a few other things...


Now I just need another 40,000watts to make this all work properly...
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Last edited by BassThatHz; 05-12-2015 at 07:07 PM.
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post #488 of 492 Unread 05-19-2015, 06:51 PM - Thread Starter
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Shipment arrives tomorrow.


All your XO's are belong to me.
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post #489 of 492 Unread Yesterday, 05:47 PM - Thread Starter
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Time to boom like never before...
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post #490 of 492 Unread Yesterday, 08:15 PM - Thread Starter
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The rack mount is crooked. It does not sit flush.
and redesign: no port in the front, I don't use it but my OCD is disgusted.
They also changed colors of the LED's. Oh the Pain!


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post #491 of 492 Unread Today, 12:18 AM - Thread Starter
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I got the stuff hooked up.
Had to completely rewire the inputs and outputs and manually transfer various DSP settings. Took forever (still not done, but enough to make it work.)

There is a 0.34ms difference between the first 2 DCX I bought. It is noticable on tweeters when driven from different boxes for maximizing stereo separation.
Now that I have fixed that the stereo imaging is sounding better than ever.
I kinda speculated that the DCX's might have bad crosstalk and this proves it to me now that the Left can't joint the Right and vice versa.

It is taking my ears a while t adjust, I find myself listening to all my discs again.
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post #492 of 492 Unread Today, 12:28 AM - Thread Starter
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I have two more XLR cables to hook up and then my amps will be fully connected.

Almost using all 18 XLR outputs and 9 inputs. (My brain hurts in my head movies!)

I have 1 free for a another sub (don't even think about it!)
The other is for my center channel when I get more power.
1 of the 9 inputs isn't connected, it's not needed unless summing the center in music-mode.
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