Acoustical Treatments, room is 24X19

start by reading here for the basics.

http://www.realtraps.com/rfz.htm

DIY acoustic material

http://www.atsacoustics.com/item--Ro...f-6--1006.html

cdy2179 posted good links for you.

Note, this is the "Dedicated Theater Design & Construction", usually involves multi seating and compromise because there is not just 1 MLP, you are asking for a 2 channel listening room solution, which I take it means a single MLP is all you care about.

Concepts are same, but solution for you may/be different than a HT room solution.
I'm no expert, but for 2 channel I might try an approach dealing more with diffusion than absorption, based upon what I've read.

You might get better advice in the 2 Channel Audio forum.http://www.avsforum.com/avs-vb/forumdisplay.php?f=173

I made this post in another thread, re-post here:

Mmmmmm...not correct IMHO. You are going to need to deal with the rear and front walls as well.

eljr,
Do you have any layouts and or pictures you can post? Basically you can follow the following layout.
http://www.gikacoustics.com/room_setup.php
Nice size room, BTW.

Just because it is on a website or in print does not make it so, and opinions will certainly vary. Cookie cutter does not apply here. Understand what is occurring in the room, how to deal with it then apply. Hope this helps.

to be fair, that link is discussing issues in the specular domain - so 'bass traps' are not applicable.

the primary focus of that article is placement, and first-reflection-point discovery. a decent 'primer' for the novice. not meant to be a full blown technical doc (Ethan's link here does a good job of that: http://www.ethanwiner.com/acoustics.html)


every room is different and has specific (hopefully, measured) issues that can be solved in a variety of ways. there is no single right answer or solution.

the specular area is fairly obvious (how to attack, if your design requirements are to indeed attenuate 'early reflections) ... but for LF modal issues, it's difficult to do anything without measurements. speaker/listener placement will be most important to find the best response ('starting point') - and then individual issues within the LF modal region can be addressed with porous velocity-based or pressure-based 'traps'.

it's best to start with identifying known issues within one's room before blindly choosing solutions. there are general guidelines, of course, in small acoustical spaces....

take a look at the link in my previous post. it is in-depth but easily digestible for the newcomer.

it's essential to understand how porous insulation 'absorbs' in the first place, so you can understand how porous 'bass traps' need to be constructed (material, thickness, spacing from boundary, etc) and where they need to be placed in order to maximize effectiveness.

eljr;

Simply, are you willing to take acosutic measurements and post those?
(please, also post a layout of your area, with overall dimensions, seating location, speaker locations, etc, it helps)

If so, with detailed layout + data (graphs) then people can look at and give feedback, and you can DIY or buy specific what you need.

If not, then best advice is pay some consultant to analyze your situtation and give you their direction on what to buy, where to place it, etc.