AudioAficionado.org  

Go Back   AudioAficionado.org > Audio & Video > Acoustical Treatments

Acoustical Treatments Because the room matters

Reply
 
Thread Tools Display Modes
  #11  
Old 06-13-2016, 11:08 AM
djwhog's Avatar
djwhog djwhog is online now
Senior Member


 
Join Date: Mar 2011
Posts: 6,536
Default

Can I suggest when you fur out the walls in the basement go with 2x6 not 2x4s and then also add cross braces in between the studs and insulate well before you sheet rock.

Of course go over kill to on electrical boxes and separate 20amp breakers and at least 12x3 wiring. If you are going with anything like a 1.2k amp or may in the future add 220-240 as well I also ran conduit in the wall to the ceiling in case I ever go over head for a projector etc.


I did this and the noise and resonance is way reduced with the thicker wall and cross braces. Most folks do not all any cross braces and feel that only the drywall screws will hold the studs in place.

I found that they will vibrate and setup their own harmonics. Maybe the 2x6 Vs 2x4 is over kill Anyway I like the deeper wall with more and better insulation factor as well.

PS looks great so far and a fun project congrats
__________________
Dave's Cave main Basement system
C500C C500T preamp and a MX150 control center, (3)McIntosh 601 mono block amps, (1)7270 McIntosh amp driving rears in 7.1 (1)Halo A23 amp for side surround, & (1)452 McIntosh amp for main towers part of a bi-amp setup with 601's, Esoteric K-03 JL F212 sub all glued together with mostly all WireWorld & Moon Audio Black Dragon cables.

Headphone Rig
Audeze LCD-X Sennheiser hd 800 & Sennheiser hd 700 cans, Woo Audio WA-6SE with Sophia Princess & matched pair of 6GL7/6EM tubes Black Dragon Cable upgrades on the HD700s!

Streaming Dac Gear
includes K03, high-end custom built Toshiba core i7 16 gigs Wireworld Platinum USB cable, Ipad mini & Itouch driving media center 20 for full remote control anywhere on property and even via web to have music on when I get home Also can remote control MX150 via web too.

Analog Rig
VPI Classic II running with a Dynavector 20X2-H MC Phono Cartridge

Also
For living room and outside rear deck is connected to MX150 with (1)Parasound 5250 amp. Oppo 205 , Sony ES777, (1)PPP, and a DirectStream P15 Power Plant

Speaker system
Builder of custom very high end Dynaudio's 2 Main towers, 1 super tweeter Dynaudio built system above each tower, 4 surrounds all Dynaudio Esoteric drivers 6.5 mids, esoteric dome tweeters, 2 rear surrounds, and a custom 5 speaker 2 7" drivers, 2 3" domes, and a d21 tweeter in the center channel to compliment my 2 300lb custom subs and a JL F212

Misc Build Features
AC Power Electrical overview is 4 20 amp 120 circuits all 10-3 wiring extra shielding with walls custom modded with cross bracing 2x6s over a 14" thick concrete with R19 and weather barrier
Reply With Quote
  #12  
Old 03-14-2018, 12:55 PM
vego99's Avatar
vego99 vego99 is offline
Senior Member
 
Join Date: Feb 2011
Location: East Nottingham, PA
Posts: 136
Default

Bringing this thread back to life.... Have made some major progress on my room.

Had to really reconsider dimensions and usability of the basement.
Decided on dedicating a corner of the basement for my listening room.
Finished dimensions will be 14'w x 20'L x 8.5' Tall.

At the point now where i need to start thinking about Treatments.
It is an absolute echo chamber now that I'm almost done with double 5/8" rocking the entire room. Need some advise on where to begin with treatments!

Thanks,
Erik
IMG_1562 by vego99, on Flickr

IMG_1561 by vego99, on Flickr
Reply With Quote
  #13  
Old 07-11-2018, 01:08 PM
vego99's Avatar
vego99 vego99 is offline
Senior Member
 
Join Date: Feb 2011
Location: East Nottingham, PA
Posts: 136
Default

Room is almost completed. Hoping ill have it all completed before the new speakers arrive!



[IMG]Room Front Wall by vego99, on Flickr[/IMG]

Room Back Wall by vego99, on Flickr
Reply With Quote
  #14  
Old 07-11-2018, 04:28 PM
Rex Anderson Rex Anderson is offline
Senior Member
 
Join Date: Oct 2016
Location: Las Vegas, NV
Posts: 173
Default

Have your carpenter build some panels to hang on the walls. Use basic concepts of LEDE (live end dead end) and RFZ ((reflection free zone). Diffusion on the rear wall behind your head. Absorption on the front and side walls at the first reflection point. Don't get the room too dead. Depends on your speakers, the better the on and off axis response matches, the less you need to treat.

Using a frame makes it easier to fabric wrap and have nice square edges. You can then use the nice wood frame to attach your frame hanger/D hooks and just hang them on the wall with picture hangers.

Use Masonite for the backing, Guilford FR701 fabric.

Also, 2" is not great. 4" is much better. Best and most linear is 6" (but few rooms can handle losing a foot -6" panels on both sides of the room). Use a 1" x 4" for the 4" thick panel frame.

We paid an acoustician a lot of money to show us how to treat our rooms and make better panels.

If you use 2" of 701 on top of 2" of 703, you get two different densities and thus more linear absorption. 701 goes on the room side, 703 on the wall side. Don't put any glue on the 701 or 703.

701 is softer and fluffier and has a different frequency vs absorption curve than 703. For 6" panels (if your room can handle it), the bottom (or wall side layer) should be 2" of 705, a third density of material.

I have installed a lot of these panels in a lot of different rooms (control rooms, recording studios, mastering rooms, home theaters etc) and they work great and are much better than just 2" 703 or even 4" of just 703.

You can use Auralex to treat corners https://www.auralex.com/product/lenrd-bass-traps/

These work well too: http://www.soundseal.com/soundqualit...bsorbers.shtml

Last edited by Rex Anderson; 07-11-2018 at 04:52 PM.
Reply With Quote
  #15  
Old 07-11-2018, 04:40 PM
Audiophilehi's Avatar
Audiophilehi Audiophilehi is online now
Senior Member

 
Join Date: Jan 2013
Location: Staten Island, NY
Posts: 938
Default

Quote:
Originally Posted by Rex Anderson View Post
Have your carpenter build some panels to hang on the walls. Use basic concepts of LEDE (live end dead end) and RFZ ((reflection free zone). Diffusion on the rear wall behind your head. Absorption on the front and side walls at the first reflection point. Don't get the room too dead. Depends on your speakers, the better the on and off axis response matches, the less you need to treat.

Using a frame makes it easier to fabric wrap and have nice square edges. You can then use the nice wood frame to attach your frame hanger/D hooks and just hang them on the wall with picture hangers.

Use Masonite for the backing, Guilford FR701 fabric.

Also, 2" is not great. 4" is much better. Best and most linear is 6" (but few rooms can handle losing a foot -6" panels on both sides of the room). Use a 1" x 4" for the 4" thick panel frame.

We paid an acoustician a lot of money to show us how to treat our rooms and make better panels.

If you use 2" of 701 on top of 2" of 703, you get two different densities and thus more linear absorption. 701 goes on the room side, 703 on the wall side. Don't put any glue on the 701 or 703.

701 is softer and fluffier and has a different frequency vs absorption curve than 703. For 6" panels (if your room can handle it), the bottom (or wall side layer) should be 2" of 705, a third density of material.

I have installed a lot of these panels in a lot of different rooms (control rooms, recording studios, mastering rooms, home theaters etc) and they work great and are much better than just 2" 703 or even 4" of just 703.

You can use Auralex to treat corners https://www.auralex.com/product/lenrd-bass-traps/
Wow....lots of good info. :

Thanks Rex!
__________________
Paul



Speakers: Von Schweikert VR-5 Anniversary MK II Front L/R, LCR-35 Center, VR-1 Rear L/R Sub: JL Audio F113
Amps: McIntosh MC452, MC207 Pre-Amp McIntosh C2500
Turntable: VPI HR-X 12.7 TONEARM (2) and SDS
Music Server: Aurender N100H
Cartridges: Ortofon Cadenza Black, Lyra Helikon Mono Digital Source: Oppo UDP-205 DAC: Bryston BDA-3
SSP: Marantz AV8801 Cables: Wireworld Electra 7 (P) Wireworld Silver Eclipse 7 (I) Wireworld Silver Eclipse 7 (S)
Wireworld Platinum Starlight 7 (USB)
Reply With Quote
  #16  
Old 07-11-2018, 04:45 PM
vego99's Avatar
vego99 vego99 is offline
Senior Member
 
Join Date: Feb 2011
Location: East Nottingham, PA
Posts: 136
Default

Quote:
Originally Posted by Rex Anderson View Post
Have your carpenter build some panels to hang on the walls. Use basic concepts of LEDE (live end dead end) and RFZ ((reflection free zone). Diffusion on the rear wall behind your head. Absorption on the front and side walls at the first reflection point. Don't get the room too dead. Depends on your speakers, the better the on and off axis response matches, the less you need to treat.

Using a frame makes it easier to fabric wrap and have nice square edges. You can then use the nice wood frame to attach your frame hanger/D hooks and just hang them on the wall with picture hangers.

Use Masonite for the backing, Guilford FR701 fabric.

Also, 2" is not great. 4" is much better. Best and most linear is 6" (but few rooms can handle losing a foot -6" panels on both sides of the room). Use a 1" x 4" for the 4" thick panel frame.

We paid an acoustician a lot of money to show us how to treat our rooms and make better panels.

If you use 2" of 701 on top of 2" of 703, you get two different densities and thus more linear absorption. 701 goes on the room side, 703 on the wall side. Don't put any glue on the 701 or 703.

701 is softer and fluffier and has a different frequency vs absorption curve than 703. For 6" panels (if your room can handle it), the bottom (or wall side layer) should be 2" of 705, a third density of material.

I have installed a lot of these panels in a lot of different rooms (control rooms, recording studios, mastering rooms, home theaters etc) and they work great and are much better than just 2" 703 or even 4" of just 703.

You can use Auralex to treat corners https://www.auralex.com/product/lenrd-bass-traps/
Rex,
I do plan on making panels, thanks for the tips, i never though of mixing the densities and it does make sense.

Will be holding off on the construction of them until the speaker arrive and get a baseline of what i am working with.

I have a pair of Jubilees on order and according to some of the owners room treatment is slightly different due to the large format horn on the top of the base bins. Well see what happens!
Reply With Quote
  #17  
Old 10-09-2018, 11:48 AM
Mille162 Mille162 is offline
Member
 
Join Date: Sep 2018
Location: Philadelphia, USA
Posts: 42
Default

A thought was triggered when you mentioned splitting your room and having a music library (as I mentally plan out my next listening room): if instead of building a back wall you used a LP rack (lets say the ikea kallax design) across the wall with a small doorway to walk in the middle), would the varying surfaces (LP’s stacked, wood frame, various openings on shelves) act as a good rear wall surface? Im just thinking that instead of a U-shaped rack across the back and rear side walls might be cooler looking if it was a small walk-in library, which could also help with sound treatment at the same time
Reply With Quote
  #18  
Old 10-09-2018, 04:58 PM
MichaelZ MichaelZ is online now
Junior Member
 
Join Date: Oct 2018
Posts: 10
Default

Quote:
Originally Posted by Rex Anderson View Post
Have your carpenter build some panels to hang on the walls. Use basic concepts of LEDE (live end dead end) and RFZ ((reflection free zone). Diffusion on the rear wall behind your head. Absorption on the front and side walls at the first reflection point. Don't get the room too dead. Depends on your speakers, the better the on and off axis response matches, the less you need to treat.

Using a frame makes it easier to fabric wrap and have nice square edges. You can then use the nice wood frame to attach your frame hanger/D hooks and just hang them on the wall with picture hangers.

Use Masonite for the backing, Guilford FR701 fabric.

Also, 2" is not great. 4" is much better. Best and most linear is 6" (but few rooms can handle losing a foot -6" panels on both sides of the room). Use a 1" x 4" for the 4" thick panel frame.

We paid an acoustician a lot of money to show us how to treat our rooms and make better panels.

If you use 2" of 701 on top of 2" of 703, you get two different densities and thus more linear absorption. 701 goes on the room side, 703 on the wall side. Don't put any glue on the 701 or 703.

701 is softer and fluffier and has a different frequency vs absorption curve than 703. For 6" panels (if your room can handle it), the bottom (or wall side layer) should be 2" of 705, a third density of material.

I have installed a lot of these panels in a lot of different rooms (control rooms, recording studios, mastering rooms, home theaters etc) and they work great and are much better than just 2" 703 or even 4" of just 703.

You can use Auralex to treat corners https://www.auralex.com/product/lenrd-bass-traps/

These work well too: http://www.soundseal.com/soundqualit...bsorbers.shtml
Hey Rex, do you need to do anything to make sure the insulation stays in place, or does the fabric covering do a good enough job?
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Audioaficionado.org tested by Norton Internet Security

All times are GMT -4. The time now is 11:35 AM.



Powered by vBulletin® Version 3.8.10
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
©Copyright 2009-2018 AudioAficionado.org.Privately owned, All Rights Reserved.
Audio Aficionado Sponsors
AudioAficionado Subscriber
AudioAficionado Subscriber
Fortress
Fortress
Harmonic Resolution Systems
Harmonic Resolution Systems
Wyred4Sound
Wyred4Sound
Audeze
Audeze
GIK Acoustics
GIK Acoustics
Esoteric
Esoteric
AC Infinity
AC Infinity
JL Audio
JL Audio
Acoustic Sciences Corportation
Acoustic Sciences Corportation
Legend Audio & Video
Legend Audio & Video
Audio by E
Audio by E
Canton
Canton
Bryston
Bryston
WireWorld Cables
WireWorld Cables
Stillpoints
Stillpoints
Bricasti Design
Bricasti Design
Furutech
Furutech
Shunyata Research
Shunyata Research
Accuphase
Accuphase