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CuznEddy Cinema Project Begins - Page 53

post #1561 of 1619
Thread Starter 
A selfish bump to show the status of my speaker building "adventure"
post #1562 of 1619
Looks good man! Gonna be a nice addition to the theater for sure.

Regards,

RTROSE
post #1563 of 1619
Thread Starter 
Thanks!
"Now don't get to attached to her Clark - we're taking her with us when we leave in a few months"
post #1564 of 1619
Thread Starter 
Yet another selfish bump....
Continuing my quest of DIY SEOS speakers:

Center Channel:
I put several coats of Duratex on my center channel stand. Here's BUC happily at home on the new stand. The stand was cut to aim BUC at the MLP, about a 14 degree upwards tilt.
Once my mains are finished; I will be "duratexing" all 3 speakers (for now BUC just has a temporary black latex roll-on paint job). The Duratex is a bit pricy, but well worth it, really a nice product to work with!


Main Speakers:
As you can see below I managed to get my boxes 80% assembles and glued-up for the deltalight mains.
If you look at the bottom rear, you can see where i filled and glued in a backing plate for the speaker terminal connection.
First; had to cut a very thin filler strip to fill-in the unused rabbit slot on the inside of the back panel, before putting in the backing plate (no big deal).
Also at the bottom you can see where I have cut some X/O boards. Not yet sure if I can crowd all the components on to one board, or I might split it up and use 2 XO boards per speaker (one for the woofer, and one for the WG)?


And finally I started working on some stands for my mains.
I still need to cut the top mounting plates to size, and then I will round most of the corners and edges, fill the PVC tubes with sand, and will Duratex the whole thing. I assume Duratex will adhere to PVC plastic?
post #1565 of 1619
Nice work CuZ!

Man be sure to post plenty of pics of the Duratex work. Your "Buc" looks pretty nice! How does it sound?

AFA duratex to PVC IDK, but standard enamel don't stick to it for crap! I spray painted my speaker stands(PVC) and every time I hit them the paint just scratches off revaling that white underneath.

Might be worth upholstering them if it don't stick any better than standard spray enamel....... IDK.
post #1566 of 1619
Thread Starter 
Thanks NIck
As for the PVC tubes; I'll sand them, then will first try painting them with the spray primer for plastic, and/or the Krylon paint for plastic.
and if necessary; my backup plan will be either Duratex or an upholstery covering.
On another note - aren't you about to show us a SEOS DIY build? smile.gif
post #1567 of 1619
Very nice work. Looks great. More importantly how does it sound?

Regards,

RTROSE
post #1568 of 1619
One day....... Maybe.redface.gif
post #1569 of 1619
Thread Starter 
Quote:
Originally Posted by RTROSE View Post

Very nice work. Looks great. More importantly how does it sound?

Regards,

RTROSE

Thanks RT! The BUC center channel sounds great; most importantly dialogue is a lot more intelligible at normal listening levels. I attribute this to several causes:

When I built my HT; I failed to realize how much I was handicapping my Klipsch RC7 center when I built it into the overhead soffit.
I realized later, it was a bad idea; especially for a port-bass reflex vented box!

The other advantage (I think) is that the dispersion pattern of the SEOS waveguide seems to result in less bounce from the overhead Klipsch from the ceiling.
I have had a nasty dip in FR from the center channel somewhere around 100!120 Hz. However; I will need to make some REW comparison graphs to verify.

And if pushed "really hard" (not normal but I did try to see how much abuse it could handle), the center channel seems to have more headroom and does not compress.
post #1570 of 1619
Very cool. I noticed you have tilted your speaker up towards the LP. When I built my stand I almost attempted some type of adjustment hinge or platform so that I could angle the speaker to the LP but I ended up not doing that. Now almost a year in, I am going through things that I think can improve (if even only slightly) the theater experience. I was wracking my brain trying to come up with basically some type of gimmick to allow me to do this. Finally I thought abut the KISS principal. I purchased a couple of door stops (dark brown) and wedged them between the speaker and the stand. I know it must be the placebo effect but I believe it does sound better angled up like that. No one else has mentioned it sounding different, but hey what do they know.

I'm excited to see the out come of the other speakers.

Regards,

RTROSE
post #1571 of 1619
Quote:
Originally Posted by cuzed2 View Post

Quote:
Originally Posted by RTROSE View Post

Very nice work. Looks great. More importantly how does it sound?

Regards,

RTROSE

Thanks RT! The BUC center channel sounds great; most importantly dialogue is a lot more intelligible at normal listening levels. I attribute this to several causes:

When I built my HT; I failed to realize how much I was handicapping my Klipsch RC7 center when I built it into the overhead soffit.
I realized later, it was a bad idea; especially for a port-bass reflex vented box!

The other advantage (I think) is that the dispersion pattern of the SEOS waveguide seems to result in less bounce from the overhead Klipsch from the ceiling.
I have had a nasty dip in FR from the center channel somewhere around 100!120 Hz. However; I will need to make some REW comparison graphs to verify.

And if pushed "really hard" (not normal but I did try to see how much abuse it could handle), the center channel seems to have more headroom and does not compress.

If that midrange comb filtering persists thick absorption behind the center will help.

Any way to build the center into a stage like baffle below screen? That should help negate the allison effect youre describing.

Think flush mounted into the stage angled up at listener?
post #1572 of 1619
Good luck. the speakers look super cool! and i really love the stands!
post #1573 of 1619
Thread Starter 
Quote:
Originally Posted by vikgrao View Post

Good luck. the speakers look super cool! and i really love the stands!

vikgrao,
Thanks - that means a lot coming from yourself - appreciate it.
In other words; you have the most impressive and aesthetic new theater build underway in the midwest. I'm thinking I need to do an Indiana tour one of these days smile.gif
post #1574 of 1619
So I hop back in here and lo and behold I find you have undertaken the project of building a set of tiny little speakers. wink.gif


BTW, what made you go with that speaker design?
post #1575 of 1619
Quote:
Originally Posted by cuzed2 View Post

vikgrao,
Thanks - that means a lot coming from yourself - appreciate it.
In other words; you have the most impressive and aesthetic new theater build underway in the midwest. I'm thinking I need to do an Indiana tour one of these days smile.gif

Sure, now there is new Midwest stuff underway.... wink.gif
post #1576 of 1619
Thread Starter 
For sure Warren!
Nice to know you are checking up on us "flat-landers" .....
post #1577 of 1619
Thread Starter 
A selfish thread bump to celebrate finishing my winter DIY speaker project, it's now spring - right ???
post #1578 of 1619
Man those look AWESOME! Well done! More importantly how do they sound? Very cool. Oh and your are correct by the calendar it is spring, however by the 3+ inches of snow on the ground I would beg to differ.

Congrats on finishing that project. I have been thinking of doing a DIY sub project myself. Just might have to bring you on board as a consultant if I proceed.

Regards,

RTROSE
post #1579 of 1619
Thread Starter 
RT,
Thanks !

As for spring - could be worse - we could have that 3" . Just heard from a coworker in STL. they are getting punished with snow.

DIY speakers are great, I would be honored to participate in RT-DIY-Sub(s) !!
post #1580 of 1619
Wow, how great is it to finish a big project like that. Looks great!! Glad the sound turned out like you wanted it... even better yet, the wife dislikes em.... mission accomplished. Enjoy
post #1581 of 1619
Thread Starter 
Wazzey - Thanks for stopping by and the kind words!
Epecially good to see you have my back on the WAF... smile.gif

Any snow on the golf course this AM?
post #1582 of 1619


DIY speakers?!?! eek.gifeek.gifeek.gif

Now you're just showin' off!

Next thing you know you'll be hiring BIG and launching into one of them-thar fancy-schmancy theaters!




Good on ya! wink.gif
post #1583 of 1619
Thread Starter 
Hanes,
Thanks - it's great to hear from you and Picard!!! When can we start planning your build?
post #1584 of 1619
Yes unfortunately there has been too much cold weather down in this area. Another snow dusting last night to keep the golfers at bay.

What is next on the agenda for your theater that the wife wont approve of? I'm sure you have something in mind.

The dirty little secret that a lot of new theater builders don't realize, at least this is the way it has turned out at my house, is that as long as you give the wife a nice 50" tv upstairs, a dvr for recording the bachelor and a fireplace by her chair they won't want to come down to the basement to watch any movie. Leaving the improvements that you make in your theater with a ho hum type of attitude, "you may continue in the theater doing whatever as long as you keep the dvr working"

Now that I think about it, we should start a new thread for counseling the new married guys that plan on building a theater....
post #1585 of 1619
My situation is similar Wazzey... My wife is only interested in about 30% of the movies I watch... so I can leave her upstairs watching food network and grab a movie or do some gaming. Then again we don't really need a big Home Theater to watch movies Alone do we. biggrin.gif

Don't get me wrong I love gaming and watching movies on the big screen but it is after a good family movie night or a day gaming with the guys when I feel really good about my home theater investment.
post #1586 of 1619
I still go downstairs and can't believe I have a movie theater in my basement. It is so AWESOME! I pretty much got around the whole WAF thing by stating that the basement and most importantly the theater by stating early on in the process that this was MY realm. She had the rest of the house to do with as she pleased.

The only time she voiced her opinion (without me asking) was when I was talking about ceiling colors. I had to "gently" remind her that she had zero input on the matter. biggrin.gif Oh then when sub arrived but then it was too late. smile.gif

Regards,

RTROSE
post #1587 of 1619
Thread Starter 
Quote:
Originally Posted by Wazzey View Post

as long as you give the wife a nice 50" tv upstairs, a dvr for recording, some wine (my words) and a fireplace, they won't want to come down to the basement to watch

Wazzey,
The above also describes my situation quite well.
That said; my wife will join me in the basement once a weekend for a movie, and occaionally on Monday night for Hawaii 5-0 smile.gif
post #1588 of 1619
RT... I like that comment about "then it was too late" Some things are subtle and they will never know... I bet she knew when the sub arrived.
post #1589 of 1619
Quote:
Originally Posted by cuzed2 View Post

Hanes,
Thanks - it's great to hear from you and Picard!!! When can we start planning your build?

post #1590 of 1619
I wish i had a basement! Australian houses dont have basements
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