My 703 Panels

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Professor T
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My 703 Panels

Post by Professor T » Sun Jun 13, 2010 3:28 pm

Thought I'd post some pics. I made 6 of these for my home studio. They were easy to make, but took longer than I thought they would. The sides are 1/2" CDX plywood ripped into 4" strips. Thanks to Dixieline Lumber - they ripped the plywood for me. One sheet gave me enough to do all 6 frames. Some 1 1/4" lattice creates a frame to keep the fiberglass from falling out the front. The backs are 1/8" backerboard. Finish off with material from the local fabric shop and some brown paint:

Image

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Sonically, the room sounds a lot "tighter." I've been listening to lots of records in here, but I haven't had anything to mix yet, so we'll see how that goes. Anyway, for those of you considering making panels - go for it, but leave yourself lots of time.

junomat
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Post by junomat » Sun Jun 13, 2010 5:49 pm

Nice work!

I love the staining and the fabric is wonderful. I bet that helps create a great vibe.

Mat

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rolandk
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Post by rolandk » Sun Jun 13, 2010 8:30 pm

Nice! I did mine in black tolex and Fender grill cloth.
my band: Mission 5

MoreSpaceEcho
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Post by MoreSpaceEcho » Tue Jun 15, 2010 12:03 pm

rolandk wrote:Nice! I did mine in black tolex and Fender grill cloth.
let's see 'em!

professor T, nice work. the ones in that first pic look like old speakers, which is always a good thing.

Professor T
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Post by Professor T » Tue Jun 15, 2010 2:05 pm

MSE - You're right - my dad had some old Fisher speakers that were very similar. I guess I subconsciously aped them.

Sort of like these:
Image

lank81
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Post by lank81 » Thu Jun 17, 2010 9:15 pm

Awesome panels. I dig the retro colors. Where did you get the great fabric?

Professor T
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Post by Professor T » Fri Jun 18, 2010 8:19 am

I got the material from the local quilt shop:
http://www.rosiescalicocupboard.com/

The orange fabric is "Ovals in Melon" from the MoMo Freebird collection:
http://www.hawthornethreads.com/fabric/ ... o/freebird

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eeldip
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Post by eeldip » Fri Jun 18, 2010 9:13 am

cdx ply- i am currently building my kitchen cabinets out of it. horray for CHEAP! certainly good enough once you paint it. with a kreg jig you can build boxes out of that stuff all day for practically nothing.

now that you have your room treated, it might be time to think about speaker placement. jus sayin'

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Post by TapeOpLarry » Mon Jun 28, 2010 12:02 pm

Nice look.

For anyone thinking of doing this in a commercial space you may want to research local fire codes as far as fabric flammability. We ran into that...
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crow
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Post by crow » Sat Jul 21, 2012 2:09 pm

Sorry to revive such an old thread, but do you happen to remember what you used, Larry?

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ghaines
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Building your own 703

Post by ghaines » Tue Jul 24, 2012 5:36 pm

You'll want to look at companies like Guilford of Maine or others that deal with fire-treated fabric. Acoustical Surfaces, Inc has many different acoustic fabric vendors. http://www.acousticalsurfaces.com/acous ... ex.htm?d=4


Also note, if you hang your 703 diffusors away from your wall, you can improve their response. The short hand rule is if you hang a 4" thick treatment 4" off of the wall, you get the effective treatment of an 8" thick guy. (Can any acoustics people fine tune that?)

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GH
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Post by ricercar.record » Wed Jul 25, 2012 9:09 pm

very nice looking. I definitely prefer the look of the wood framed absorption panel as
opposed to those that are completely wrapped in fabric with just a back bracing so it
looks like a big pillow. Do you happen to have a link of the lattice you used? What
material is it made of and how thick, etc ?

good work and nice choice of fabrics.

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Snarl 12/8
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Post by Snarl 12/8 » Wed Jul 25, 2012 10:32 pm

ricercar.record wrote:very nice looking. I definitely prefer the look of the wood framed absorption panel as
opposed to those that are completely wrapped in fabric with just a back bracing so it
looks like a big pillow. Do you happen to have a link of the lattice you used? What
material is it made of and how thick, etc ?

good work and nice choice of fabrics.
I agree with you. I did mine with a wood frame too. But I think it cuts the absorption significantly, from what I've read.
Carl Keil

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Post by The Scum » Wed Jul 25, 2012 11:04 pm

But I think it cuts the absorption significantly, from what I've read.
That's true. The absorbent surface area is what matters. If you cover up the edges with wood or metal, you lose some of that area. On a 2" x 4' x 2' panel, you have better than another square foot of surface on the edges.

But sometimes it's a lot more pragmatic to have something rigid on the edges to keep the panel together...
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Post by dfuruta » Thu Jul 26, 2012 9:53 am

The Scum wrote:That's true. The absorbent surface area is what matters. If you cover up the edges with wood or metal, you lose some of that area. On a 2" x 4' x 2' panel, you have better than another square foot of surface on the edges.
If you're worried about this, you can cut holes in the sides of the frame to get some more surface area.

I suspect it's a little more complicated, since solid sides will change the way sound waves travel within the panel. But, I don't know enough about the physics to know whether this is significant.

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