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post #1291 of 1320 Old 09-04-2014, 06:03 AM
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I bet that makes for an interesting audible change in the room's acoustics. Looks good!
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post #1292 of 1320 Old 09-04-2014, 06:20 AM - Thread Starter
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Thanks Fred. I must have a terrible ear because I tried listening for a difference between before and after and between left and right and I couldn't discern any difference. I have not watched a movie in there since adding the knauf to the rear wall but I did play music. Maybe once I get the whole wall complete and pop in a movie that I have watched before I will be able to hear an improvement.
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post #1293 of 1320 Old 09-04-2014, 06:28 AM
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Tried handclaps?

Under construction: the Larch theater
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post #1294 of 1320 Old 09-04-2014, 06:48 AM - Thread Starter
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I have not. Anything in particular that I should be listening for? Less sound bouncing around the room?

I need a crash course in ear training...
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post #1295 of 1320 Old 09-04-2014, 07:33 AM
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It might be hard to hear. Clapping is good enough to hear flutter echo, which is a nice and easy place to start. When flutter echo is bad, you'll hear a "zing" or "sproing" sort of tail to the sound. If you can't make that out in the theater, that's fine and good. Try clapping in a stairwell or parking deck. I'm of the opinion that flutter echo is just the beginning and the only thing you'll be able to identify by clapping, but I suspect others disagree (Nightlord). He may have a way for you to hear more spectral details of the decay, but I don't have a lot of faith in that.

Another easy way for you to begin to hear differences and the effect of the absorption is to stand right up next to it; one ear to it and the other out into the room. Get a simple recording playing - especially one without a lot of processing or ambiance added, or just get a conversation partner - and listen carefully, paying attention to the differences betwee what each ear hears. Stand next to untreated wall, and then move in front of the treatments.

Being able to hear subtle changes takes practice. I'm not good at it, but I'm working on it.
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post #1296 of 1320 Old 09-04-2014, 07:44 AM
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Nope, not in clapping, you described that perfectly.

Other thing to try is standing right up to the wall and listen to/feel yourself talk.

We were just discussing finding if there's any differences. Any more detailed stuff I'd say you need to measure for.

Under construction: the Larch theater
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post #1297 of 1320 Old 09-04-2014, 08:19 AM - Thread Starter
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Thank you both for the information. I will give those suggestions a try the next time I am down there while hopefully finishing off the back wall.
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post #1298 of 1320 Old 10-06-2014, 05:19 AM - Thread Starter
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Minor update - This weekend I found a few moments to finish my back wall insulation and plastic. I also added four of the vertical green panels that I had complete but just sitting around.

Pics showing the 4 mil plastic stapled over the 6" of knauf insulation.






And now with the four new green panels added.






And a new overview shot of the back of the theater.


I still have two green panels to install on the sides and then I will be ready to start making some new panels to fit between all of these. Slow progress but it's still progress I guess...
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post #1299 of 1320 Old 10-06-2014, 07:59 AM
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Thumbs up

Looks very professional.

Under construction: the Larch theater
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post #1300 of 1320 Old 10-06-2014, 08:12 AM
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Vanice,

Looking good - can't wait to see it with the final panels in place!

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post #1301 of 1320 Old 10-06-2014, 10:23 AM - Thread Starter
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Thanks guys. You and me both cuzed, you and me both.
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post #1302 of 1320 Old 10-23-2014, 12:56 PM
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Hi Vanice, I have been reading through your thread and watching your progress eagerly, as well as "borrowing" construction tips along the way. I see that you and I are both following Bryan Pape's acoustical strategies.

I am stumped though on my soffit, as I have the similar problem as you had for sectioning off the soffit to box in the HVAC duct and allow the rest of the soffit to be open for wire runs and recessed lights.

I can see how you constructed the HVAC boots and plan to follow that idea. How did you finish off from the HVAC boots back to where the HVAC duct enters the room? Do you have any closeup photos? Thanks for any more detail you can provide!!!
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post #1303 of 1320 Old 01-03-2015, 08:37 AM
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Vanice- your build thread is intimidatingly impressive! Perhaps builds like yours prevent me from posting my "basic" first build. (lol) I do have a question though. Early on in your thread your were using the Graco 2600 paint sprayer. However, i noticed later that you were using a good ole' fashioned paint roller and pan. What was your experience with the sprayer because I am considering using it?
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post #1304 of 1320 Old 01-05-2015, 06:04 AM - Thread Starter
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Quote:
Originally Posted by wes46-andre20 View Post
Vanice- your build thread is intimidatingly impressive! Perhaps builds like yours prevent me from posting my "basic" first build. (lol) I do have a question though. Early on in your thread your were using the Graco 2600 paint sprayer. However, i noticed later that you were using a good ole' fashioned paint roller and pan. What was your experience with the sprayer because I am considering using it?
Thanks for the compliment! Just wish it was a completed build thread.

Several reasons. With drywall primer I knew that I was going to have to get a lot of paint on since new drywall sucks paint up like a sponge. I probably would have had to back roll it anyway so I just decided to roll from the beginning. The ceiling might have been a good spot to try spraying but I hadn't used the sprayer to this point and I was worried about how it would come out having to thin the paint properly and lay down even coats. I knew I wanted to get this part right so experimenting here wasn't for me. I could have used it on the MDF column pieces but those were kinda sporadic in finishing so setting up the sprayer several different times didn't sound fun. But it's not all bad. I did finally use the sprayer in other parts of my basement to spray trim/baseboards and doors. In this case the sprayer saved me a ton of time. Thinning the paint takes some practice, the sprayer can kick up a little dust if your not careful, and you end up with a fine mist of paint in the air that eventually settles to the floor creating a light coating (so cover things that you don't want messed up) but for large areas and places you want a nice smooth finish is does very well. Tape up some paper on a wall to test the spray before you get going and you should be fine. I haven't used it a ton but I already feel like I got my moneys worth out of it and I see plenty of future projects were it could come in handy. Hope this helps. Let me know if you have any more questions about it.
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post #1305 of 1320 Old 01-05-2015, 07:35 PM
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Vanice- Thanks. I may go ahead and get the sprayer for a professional look on the ceiling and the walls. I appreciate your input. Keep persistant and keep up the good work!
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post #1306 of 1320 Old 07-04-2015, 12:34 AM
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Your build is looking Awesome bud! I have a question, how did you spec out your stage??? Dimensions?
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post #1307 of 1320 Old 07-06-2015, 07:35 AM - Thread Starter
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Stage Dimensions

Quote:
Originally Posted by bsuave View Post
Your build is looking Awesome bud! I have a question, how did you spec out your stage??? Dimensions?
Thanks for bringing me back from the dead bsuave. I think I can help you out with some dimensions. I work in CAD on a daily basis so I used it to draw every aspect of my room. It was such a huge help saving me time and money since I could draw everything out ahead of time.

Anyway... The rear part of the stage is constructed from 2x10 lumber while the front step is 2x4. The rear section and the front step both have two layers of 3/4" OSB on them. The front face of the curves is 1/4" plywood ripped to the req'd height. Then throw in about 3500lbs of sand!

The left view shows the finished dimensions (with lip overhang on the steps) and the right view shows the framing. Let me know if you need other dimensions that aren't shown on the drawing below or have questions about a dimension.

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post #1308 of 1320 Old 07-06-2015, 01:48 PM
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How many steps do you have before it's complete?

Have you put them into a list?

Looks great already though btw.
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post #1309 of 1320 Old 07-07-2015, 06:02 AM - Thread Starter
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Quote:
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How many steps do you have before it's complete?

Have you put them into a list?

Looks great already though btw.
Thanks sigma!

It isn't a huge list but the wall panels will take some time.

1) Finish wall panels. Probably still have 40 or so panels to construct. With the wall panels comes wall treatments.
2) Build inserts to finish columns. These are the covers for the speakers in the columns.
3) Align projector. Silly that I haven't done this yet.
4) Dial in subs.
5) Redo room audio settings after all treatments are in.
6) Setup lighting control. I have Insteon equipment and everything is setup basic now but would like it to be more integrated.
7) Some type of remote setup. I have messed with iRule and Roomie but just haven't spent the time to find a solution and run with it.
8) Find furniture. I know what I want but it is crazy expensive. May have to find a plan B in case plan A is too much to swallow.

Overall not too bad. Finding the hours to dedicate is the hard part. Now that it is nicer out my time seems to be spent on projects outdoors. Hopefully I will find a little time over the next few months for some gradual updates. I too want to see this room completed.
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post #1310 of 1320 Old 03-06-2016, 07:30 AM
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Any updates??
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post #1311 of 1320 Old 03-07-2016, 05:50 PM - Thread Starter
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Thanks for checking in. I have done a little work in there over the last year or so. I have some pictures I can post but will have to do that tomorrow. No huge progress but progress none the less. I do have one wall section complete that shows what the rest of the walls will look like. I constructed four more panels this past weekend that need to get wrapped. The black strips between panels are almost as time consuming as they need painted, sanded, and then painted again. Not so easy to do during the winter months. I'm trying to find more time to work in there but time is hard to come by. I'll try and post some updated pics tomorrow.
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post #1312 of 1320 Old 03-08-2016, 05:09 AM
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Quote:
Originally Posted by vanice View Post
Thanks for bringing me back from the dead bsuave. I think I can help you out with some dimensions. I work in CAD on a daily basis so I used it to draw every aspect of my room. It was such a huge help saving me time and money since I could draw everything out ahead of time.


Hey thanks Vanice, here's the finish product.
Thanks again!!
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post #1313 of 1320 Old 03-08-2016, 06:41 AM - Thread Starter
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Quote:
Originally Posted by bsuave View Post
Hey thanks Vanice, here's the finish product.
Thanks again!!
Nicely done bsuave! Glad I could be of help. I like your carpet choice.
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post #1314 of 1320 Old 03-08-2016, 07:19 AM
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Quote:
Originally Posted by vanice View Post
Thanks for bringing me back from the dead bsuave. I think I can help you out with some dimensions. I work in CAD on a daily basis so I used it to draw every aspect of my room. It was such a huge help saving me time and money since I could draw everything out ahead of time.

Anyway... The rear part of the stage is constructed from 2x10 lumber while the front step is 2x4. The rear section and the front step both have two layers of 3/4" OSB on them. The front face of the curves is 1/4" plywood ripped to the req'd height. Then throw in about 3500lbs of sand!

The left view shows the finished dimensions (with lip overhang on the steps) and the right view shows the framing. Let me know if you need other dimensions that aren't shown on the drawing below or have questions about a dimension.

BTW... THAT... is a detailed drawing. Much better than the hand drawn stage charts I tried to provide back in the day. Good work there, even though it is late.
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post #1315 of 1320 Old 03-08-2016, 07:26 AM - Thread Starter
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Quote:
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BTW... THAT... is a detailed drawing. Much better than the hand drawn stage charts I tried to provide back in the day. Good work there, even though it is late.
That stems from my day job as I work with CAD all day. Not only did I draw out my entire theater in CAD but I also did the rest of my basement build-out. Made construction much less trial and error.
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post #1316 of 1320 Old 03-08-2016, 11:22 AM - Thread Starter
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Here are a few updated pics I took for one section of wall that is now complete.

The acoustic cotton going on the wall (2" thick). Hung with roofing style nails. Painted the caps so they wouldn't show through the fabric.







Then the panels go on with Velcro. Even the black MDF strips are hung with Velcro.





This is the view when you walk through the door. I like the look. We'll see what it looks like with more completed in the back. Not sure when the column speaker grills will get done.



As I said in a previous post, I have four more panels ready to cover and several strips ready for sanding and final paint coat. Not sure when those will get done but I will post updates when they do.
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post #1317 of 1320 Old 03-18-2016, 03:13 PM
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Quote:
Originally Posted by vanice View Post
Today's progress...

Not as much done as I would have liked but still progress. Nothing fancy, still working on the sheathing and plywood. A few pics...

Looking toward the rear of the future theater space.


Looking from the right of the future theater spacer.


Hoping tomorrow to have more of the plywood floor in. If all goes well I should complete this stage of the build by early next week. I tend to overestimate my ability so don't be surprised if I am still working on this next weekend.
Is there a noticeable difference with using foam insulation boards and plywood vs. the plain concrete floor as far as sound isolation and insulation goes?
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post #1318 of 1320 Old 03-19-2016, 06:34 PM - Thread Starter
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I can't say that the sound isolation is improved with the foam and plywood on the floor. I did it for the thermal insulation from the concrete floor and I would say that it did a pretty good job in that respect. I've been in basements where the flooring is laid directly on the concrete and it is cold. Mine is warmer. I do have tile in the bathroom and it is still cold even on foam, plywood, and backer board.
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post #1319 of 1320 Old 06-01-2016, 09:17 AM
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I like the look of that finished wall section, very professional.

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post #1320 of 1320 Old 06-02-2016, 05:58 AM - Thread Starter
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Quote:
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I like the look of that finished wall section, very professional.
Thanks for the compliment. I just wish I were further along by now. Progress comes in spurts and hopefully I have another one coming soon as I have some pieces that are pretty much ready to go up on the walls.
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