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Acoustical Treatments Because the room matters

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Old 04-12-2018, 11:21 AM
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alkizz alkizz is online now
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Default Requesting opinions on room treatment

Hi All,

I'm looking to lightly treat my 2 channel listening area. Please see the picture for an idea about the layout but the basics are that it's a fairly large area that is oddly shaped. Opinions welcomed and appreciated!! Thank you

In the picture the red "star" shapes to the left and right of the speakers are planned to be diffusers. the red hexagon shapes behind the speakers are planned bass traps.

The orange shapes are couches and the arrows show the most common listening position. black are speakers, green are amps.

I have a smidge of comb filtering and echo.. it's not bad but the sound sometimes seems unbalanced and this is the reason for looking at room treatment to bring it into balance

System components:
TT - VPI Prime Signature
Preamp - McIntosh C1100
Amps - McIntosh MC2301's
Speakers - Wilson Audio Sabrina's
Cables - Transparent Super (balanced)

side note - I live in FL and the walls are CBS on the outside. Attic is treated with spray foam (open cell).

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Old 04-13-2018, 08:43 PM
Mr. Charlie Mr. Charlie is offline
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I called GIK acoustics and sent them a similar drawing (plus pics). They came back with a starting point which has made the room sound much better. I can always add more in the future.
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Old 04-13-2018, 09:19 PM
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Mikado463 Mikado463 is online now
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the usual first rule of thumb..........corner bass trapping and treat (absorption) first point of reflection.

As for your diffusor placement.....why ?

As for bass trapping behind speakers ? corners first IMO
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Old 04-13-2018, 10:20 PM
Rex Anderson Rex Anderson is offline
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"Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms" by Dr. Floyd Toole, Third edition.

https://www.barnesandnoble.com/p/sou...YaArSAEALw_wcB

You may be surprised how little you really need.

Places that sell acoustic treatment (like GIK and Real Traps) want to sell you lots of acoustic treatment, what a surprise.

Eliminate the red "star" shapes to the left and right of the speakers, that's not where diffusion goes and bass traps go in corners, not behind speakers.

Old school concept is LEDE and RFZ (Live End Dead End and Reflection Free Zone) which is what most acoustic treatment guys want to sell you.

Don't start buying stuff until you read the book. Home systems are not recording control rooms.

And, first off, your speakers should be on the short wall firing down the long wall.

Last edited by Rex Anderson; 04-13-2018 at 10:34 PM.
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Old 04-14-2018, 02:21 PM
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Thank you all.
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Old 04-20-2018, 05:03 PM
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Quote:
Originally Posted by Mikado463 View Post
the usual first rule of thumb..........corner bass trapping and treat (absorption) first point of reflection.

As for your diffusor placement.....why ?

As for bass trapping behind speakers ? corners first IMO
+1
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Living Room: Win 10 AMD A12 laptop/JRiver Media Center 22 audio player; TEAC UD-501 DAC; upgraded SOTA Sapphire III; Origin Live Encounter Mk3c/Ortofon 2M Black, Graham Slee Era Gold V; McIntosh MR77; Oppo BDP-83; conrad johnson Premier 17LS (6922EH); conrad-johnson MF2500; Paradigm SE-3. Wireworld Eclipse 7 (17LS-to-MF2500) and Equinox 6 ICs, Blue Jeans/Belden 5T00UP SC. PS Audio Dectet, Wireworld Electra 5/2 PCs (PR17LS, Dectet), Hubbell HBL5362 duplex outlet. GIK standard 244 and scatter-plate 244 and Monster traps.

Home Office: Win 10 PC/JRiver Media Center 22 audio player; Wireworld Starlight 7 USB cable; Uptone Audio REGEN w/ LPS-1 linear power supply; TEAC UD-501 DAC; Luminous Audio Axiom Mk. II passive line stage; c-j Sonographe SA250; Paradigm SE-1. WW Equinox 6 ICs (to be replaced shortly by Eclipse 7s), Blue Jeans/Belden 5T00UP speaker cable, Shunyata Hydra PLC, Wireworld Electra 5^2 power cord from PLC to UD-501; Stillpoints Ultra Minis under SA-250.

Bedroom: Win 10 i7 laptop/JRiver Media Center 22 audio player; Wireworld Silver Starlight 7 USB cable to Uptone Audio ISO REGEN via USPCB A>B Adapter; Uptone Audio LPS-1.2 linear power supply with UA Belden/Oyaide star-quad DC output cable; TEAC UD-501; Luminous Audio Axiom Mk. II Walker Mod passive line stage; c-j Sonographe SA250 w/Vampire input jacks and Cardas binding posts; stand-mounted Paradigm Studio 20 v.5. WW Eclipse 7 ICs (to be replaced shortly by Eclipse 8s); Blue Jeans/Belden 5T00UP speaker cable; Blue Circle Thingee FX 0e PLC; upgraded-connector WW Electra 7 power cords (from wall to PLC and from PLC to UD-501); PS Audio Power Port; Stillpoints Ultra Minis under SA250; GIK 244, 244 Scatter Plate, 224, and Monster traps, DIY 4"-thick 12"x15" traps.
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