2. misc-audio
  3. 167076-115562

room treatment behind TV?

I just recently built some DIY open baffle speakers.  I love them but I'm wondering, because they are dipoles, would my room benefit from more acoustic treatment on the wall behind the speakers?  I have bass traps in both corners but I'm thinking of building one or 2 skyline diffusers on the wall.  However, I have a big 40 inch TV that sits between the speakers.  Would this be blocking the reflections coming from off that wall?  Would having diffusers there make any difference if the TV is blocking those reflections?  Removing the TV is not an option :)

thanks
adam8179
7 responses Add your response
boxer12
8,656 posts
 
+1 for diffuser at center between the speakers (possibly over the tv screen) & absorption behind the speakers. That combination (minus the tv issue) has worked wonders in my dedicated 2 channel system. 
sbank's avatar
sbank
3,379 posts
 
Adam, one more idea, a pro setup guy I know often suggests a diffusor at center between the speakers and absorption behind the speakers. I tried this and found it works better with my Soundlab electrostatics than diffusors did behind the speakers. Since you have the TV at center, that's why I mentioned the lightweight diffusor that you could easily move as needed. Cheers,
Spencer
adam8179 OP
68 posts
 
Thanks for the info guys!  I think I'm gonna try the diffusers behind each speaker and I'll experiment with a blanket over the tv
sbank's avatar
sbank
3,379 posts
 
+2 Covering the tv during listening will help. A Skyline type diffuser would be good. Many of them are super lightweight and you can perhaps just mount some clips on them to slide over the tv frame and easily remove when watching. 

Soundlab's website has some good info on room treatment advice specifically for dipoles. Oversimplifying: Make the end behind the speakers dead and the end behind your seat live.  Cheers,
Spencer
mofojo
2,301 posts
 
+1 when I sit down for an extended listening session I just throw a blanket over the big screen. Subtle but real difference.
mesch
3,509 posts
 
Try the diffusors behind speakers and cover the TV with some absorption material, quilt or heavy blanket when listening to music. Minimize the TV impact. 
russ69's avatar
russ69
3,519 posts
 
Yup. TVs and other junk between the loudspeakers hurts imaging. Sometimes you just have to live with it. But if you can pull your speakers out more, the rear wave can bounce off the TV. 
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