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post #451 of 482 Old 05-14-2014, 08:28 PM
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So golden ears but not golden hands smile.gif
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post #452 of 482 Old 05-14-2014, 08:50 PM
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Originally Posted by BassThatHz View Post

My woodworking skills are awful, I can barely make a box that aligns at all, in fact I know I can't. biggrin.gif

No need to critique them, as I already know it's absolutely horrendous; if it were a school project I'd get an F-

"Needs to be more careful!"
"Needs to show more effort!!"
"Needs to complete the tasks!!!"
"Needs to complete the tasks, as instructed!!!!!"
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Hahah. I'm the same way. No worries, bud. I ain't here to critique the boxes unless they just aren't right at all, I guess. tongue.gif

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post #453 of 482 Old 05-14-2014, 09:06 PM
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Finally EQ'ed my center channel, here is the results.

Green is center, Right is red, Blue is Left.

Impressively smooth, but I'm surprised you don't find such a flat response way too bright.
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I was thinking of adding a super-tweeter to them down the road (version 2.0?) as well as the B&C's.
It would extend it to 40-50khz @-3.
I can't hear 19khz, but it just bugs me to see -15db @ 20khz in the charts.

You could actually end up with *worse* sound if you do that, by creating intermodulation distortion products whose freq would be the difference between the currently in-band freq and the new higher freq.

Noah
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post #454 of 482 Old 05-15-2014, 08:07 AM
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Impressively smooth, but I'm surprised you don't find such a flat response way too bright.

I've tried telling him this before rolleyes.gif
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post #455 of 482 Old 05-15-2014, 09:17 AM
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I've tried telling him this before rolleyes.gif

How do mid-high level Klipsch floor standers model in comparison? For some reason I really enjoy the sound of them. I have never seen a graph of my FR 82s or the next line up but have heard some and bet they are rather flat on the top? Anyone?
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post #456 of 482 Old 05-15-2014, 11:11 AM - Thread Starter
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Here is a controlled comparison of my B&W 803's un-eq'ed vs SEOS's eq'ed as per above.
All conditions are the same, and level matched, and recorded in one continuous shot.




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post #457 of 482 Old 05-15-2014, 12:08 PM - Thread Starter
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Here are their corresponding sweeps:





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post #458 of 482 Old 05-15-2014, 01:45 PM
 
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man those un-eq'd responses are pretty great. The eq'd SEOS though, that's just amazing.
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post #459 of 482 Old 05-15-2014, 04:57 PM - Thread Starter
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Speakers #6 & #7 are 25% done. Gluing starts soon.



Only 4 sticks of throw-away from 2 4x8 sheets. eek.gif
I build the sides and rears as big as one sheet each will allow.
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post #460 of 482 Old 05-16-2014, 02:54 PM - Thread Starter
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Boxes are coming along.
It's starting to rain so that might slow me down by 1 day.

I do all my work outside, can't do inside.

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post #461 of 482 Old 05-16-2014, 07:02 PM - Thread Starter
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50% done. Routing starts tomorrow.


It's suppose to be raining like crazy, but it barely did anything, so full steam ahead.
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post #462 of 482 Old 05-17-2014, 03:29 PM - Thread Starter
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How loud is thunder really?
It's raining now and I'm actually hoping to get some thunder action so that I can see how loud and at what frequency it is on my term-lab.

I'm just hoping the strike won't fry my equipment. LOL
(I really need to buy a laptop.)
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post #463 of 482 Old 05-17-2014, 03:43 PM
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120dbs
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post #464 of 482 Old 05-17-2014, 04:14 PM - Thread Starter
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At what distance though, directly at my door or 1-10 miles away? wink.gif
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post #465 of 482 Old 05-17-2014, 04:34 PM
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A general figure near your area. Been known to reach 150dbs if on your doorstep. Had an uncle who was in weather services
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post #466 of 482 Old 05-17-2014, 07:13 PM
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Quote:
Originally Posted by chalugadp View Post

A general figure near your area. Been known to reach 150dbs if on your doorstep. Had an uncle who was in weather services

I'd say that's rather close. I've been within 20 yards of lightening strikes twice and it sure as hell seems a lot louder than 150db of bass for sure. It scared the crap out of all of us that were present both times.
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post #467 of 482 Old 05-17-2014, 10:36 PM - Thread Starter
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The closest I've heard was about 1000ft, but it was a long time ago and I was in my house and half asleep, so...

I've had the meter on all day, nothing.
No recorded strikes within like 100miles neither.


But I did capture some nice rain-noise with my ecm8000 (YAWN)
rain.zip 4186k .zip file
Attached Files
File Type: zip rain.zip (4.09 MB, 1 views)
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post #468 of 482 Old 05-18-2014, 09:39 AM
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Originally Posted by BassThatHz View Post

The room modes at 55hz, 93hz and 122hz still exist, and I don't think they will ever go away. (Caused by the physical shape of the room.)

1.) The frequency and distribution of room modes is determined by the room’s dimensions.

2.) The degree of excitation depends on the positions of the loudspeakers/subs.

3.) The degree of audibility depends on the positions of the listener.

So yeah, the they won't go away. However, they can be rendered dramatically less impactful by following best practices (room quadrant acoustic polarity, null mode placement, etc).






Wrt the lightning, I'm sure we all have our own stories. Mine, a metallic pole, parking lot light ... hit approx. 20'-30' in front of me. The term "off the chart" is overused these days, myself included. However, all aspects of this lightning bolt hit would easily be in the category of "off the chart". I thought it hit me, physically I wasn't the same until the next day ... the adrenaline surge etc, being what it is. Phenomenal, words cannot do it justice. Seeking shelter under an awning covered entrance, the light pole was struck directly in front of us ... in hindsight, amazing, but at the time ... eek.gif


I've made live to two track recordings for decades, analog reel-to-reel, cassette, thru DAT and hard disc, ... primarily the material was trains, both steam trains and diesel. By the 90's, I eventually ended up recording live acts I mixed, live acts I attended. Throughout I dabbled in sound effects with some quite good, attempting on several occasions here in the Midwest and in Florida, to capture some solid lightning recordings, never really got it right.

There are some good lightning recordings out there.


Thanks




Btw; BTH, I'm not sure what happened, didn't keep up, but glad you didn't leave AVS.

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Flat, Deep, Clean, Linear, and Loud
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(3)Seaton Cat12C up front, (4)QSC K8 sides/rears
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post #469 of 482 Old 05-19-2014, 03:57 PM - Thread Starter
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Speakers #6 & #7 are 85% done.

50% of the routing is now done.
Just waiting for some more glue to dry.
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post #470 of 482 Old 05-19-2014, 04:02 PM
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Quote:
Originally Posted by audiovideoholic View Post

I've been within 20 yards of lightening strikes twice and it sure as hell seems a lot louder than 150db of bass for sure.

I think it depends on what it strikes, i.e. hitting a tree and vaporizing the water into steam and exploding the wood vs. soft ground or a solid object like a metal pole

Noah
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post #471 of 482 Old 05-19-2014, 09:54 PM - Thread Starter
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post #472 of 482 Old 05-19-2014, 10:00 PM
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speakers #6 & #7 are for surround duty?
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post #473 of 482 Old 05-19-2014, 10:00 PM - Thread Starter
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post #474 of 482 Old 05-20-2014, 05:55 PM - Thread Starter
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Routing is done.

Tomorrow will be sanding and staining.
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post #475 of 482 Old 05-26-2014, 06:55 PM - Thread Starter
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Bought Smaug in 3D, haven't seen it yet.
Apparently the 3D version is 100gb in size, HOT DAMN!!! (Long movie much? 2:41mins!!!)

I don't have a 3D projector yet, got it for the future to try, when I do.
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post #476 of 482 Old 05-26-2014, 07:04 PM
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Yeah the Hobbit movies so far have been split to two discs for the 3D version.

I don't have 3D yet either but I have been buying all of my movies that have a 3D version. That way when I am good to go I won't have to go re-buy any movies and I'll have a large collection of them to try out.

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post #477 of 482 Old 06-01-2014, 12:16 AM - Thread Starter
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after 4 long years, tomorrow I will FINALLY be putting the finishing touches on my old quad dayton kickbins. Sanding and staining... weather permitting. It's something I've been meaning to do for a long time coming, but now is that time.




I also ran out of speaker wire (again) for the last two SEOS's, so I'll have to run to the hardware store to get some more before I can mount the drivers, other than that they are good-to-go as well.

Slow but sure.
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post #478 of 482 Old 06-01-2014, 05:05 PM
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are your mains stable when the built-in subs get moving? since you are down to the last micron of performance, that seems like a potential weak link...

Listen. It's All Good.
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post #479 of 482 Old 06-02-2014, 09:09 AM
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Quote:
Originally Posted by noah katz View Post

I think it depends on what it strikes, i.e. hitting a tree and vaporizing the water into steam and exploding the wood vs. soft ground or a solid object like a metal pole

One instance was the ground I assume. We were camping and trees were all around us. The sound and flash of light sent us all running instantly towards vehicles. Didnt see any damage to trees or anything else after the storm passed. Second time was also ground but it was wide open space off of our patio. The flashes and sounds were both equally terrifying even though neither hit an object. Its really undescribable how our reactions were in both cases but I'd prefer not to be that close again. You can literally feel it in the air and have heard stories from a few fisherman (you never know with their stories 😉) about feeling it before the strike. I've seen one of their fishing rods that he let go of right before it struck. Both guys said the line on their rod gave them an eerie feeling/warning although I didnt see one of their struck rods. The one I did see had hundreds/thousands of splinters dangling from the butt section like spaghetti.
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post #480 of 482 Old 06-02-2014, 01:26 PM - Thread Starter
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Quote:
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are your mains stable when the built-in subs get moving? since you are down to the last micron of performance, that seems like a potential weak link...
I haven't noticed any rocking, although I'm on carpet.
The speakers weigh north of 110lbs, 85 of which is drivers.
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