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30th July 2008
| #1 |
| Gear maniac Joined: Jan 2008
Posts: 158
Thread Starter |  Looking for diffusors
I'm looking for diffusors for my new live room. I need something like in the Modern World Studios or at Kore studios: http://www.recordproduction.com/kore-studios-piano.jpg Modern World Studios - Gallery I just don't know how they are called. Some one has maybe more pics or diagrams, scemes? How to built them? |
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30th July 2008
| #2 |
| Gear Guru  Joined: Jul 2005 Location: Atlanta, GA
Posts: 11,995
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Looks like QRDs. See the following thread as we are talking about them now!! Sonotube Diffusor Glenn
__________________ Glenn Kuras GIK Acoustics USA GIK Acoustics Europe 770 986 2789 (USA) +44 (0) 20 7558 8976 (UK) See the NEW Scopus Tuned Trap  |
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30th July 2008
| #3 | ||
| Gear Guru  Joined: Oct 2002 Location: New Milford, CT, USA
Posts: 12,334
|  Quote:
Quote:
HiFi Speaker Design © mhSoft 1999, 2008 --Ethan
__________________ Ethan's audio book is now available! | ||
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30th July 2008
| #4 |
| Lives for gear  Joined: Jan 2007 Location: Lisbon, Portugal
Posts: 998
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They are QRDs or maybe Modffusors. If you live in Europe feel free to contact me since my company sells affordable QRDs.
__________________ Singer/Songwriter/Producer/Acoustical Engineer http://www.onlineacoustics.com - Acoustics ! http://www.mel-music.com - project of mine with a female singer http://www.sonicflames.com - Indie Label & Audio/Music Services http://www.spinousmusic.com - my one man band project |
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30th July 2008
| #5 |
| Gear maniac Joined: Jan 2008
Posts: 158
Thread Starter | |
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30th July 2008
| #6 | |
| Lives for gear  Joined: May 2004 Location: Hamilton, On Canada
Posts: 3,697
| Quote:
What is the question? RPG is the name of the company. It is (was) an acronym for Reflective Phase Gratings. QRD is the trademarked adjective owned by RPG for one dimensional Schroeder diffusors based on the quadratic residue sequence. It is an acronym for Quadratic Residue Diffusor. Andre | |
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30th July 2008
| #7 |
| Gear maniac Joined: Jan 2008
Posts: 158
Thread Starter |
Thanks Andre!  How long should be the diffusor? How does the frequensy depend on the diffusor's length and width? Tony |
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30th July 2008
| #8 | |
| Lives for gear Joined: May 2004 Location: Hamilton, On Canada
Posts: 3,697
| Quote:
Andre | |
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30th July 2008
| #9 |
| Gear maniac Joined: Jan 2008
Posts: 158
Thread Starter |
I'm planning to make myself some diffusors, but the question is, how thick should be the wooden partitions of the layer?
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30th July 2008
| #10 | |
| Lives for gear Joined: May 2004 Location: Hamilton, On Canada
Posts: 3,697
| Quote:
Andre | |
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31st July 2008
| #11 | |
| Gear Guru Joined: Jul 2005 Location: Atlanta, GA
Posts: 11,995
| Quote:
Glenn | |
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