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Di-Poles and back wall reflections Stats

I have a pair of Innersound Eros Electrostats that are "Di-Pole" in nature, I have not had them that long and am still trying to get everything right. My room and wife make placement from back wall 32 inches at closest point, 8 inches from sidewall and toed in to my sweet spot. I have noticed some high pitch fatigue at moderate volumes so I thought to place my side wall reflection panels behind the speakers as I no longer have any issue with first reflections on side wall due to the beaming nature of the Innersound speakers.
I first placed the panels wich are about 24 inches square behind each speaker up towards the top of the speaker panel and the high frequency fatigue went away, but also some of the magic, it just seemed like a window got shut a little too far....so I moved the panels lower down the wall and it seems pretty good, the HF beaming fatigue is gone and the window seemed to open back up, but I am now wondering if I am doing the right thing by useing the reflection traps behind the speakers at all. Should I do nothing with the back wall or am I going to have to find a happy medium with some kind of treatment due to how close they are to the back wall? Anyone with similar experience or opinions please let me know what you think, and as always thanks again. Chad
chadnliz

Showing 1 response by gregm

gregm
3,411 posts
 
My personal stats indicate that 32" is a bit too close to the back wall (I know, the powers that be won't otherwise oblige).
{For that matter, so is 8" fm side wall -- at least in my room 177" wide: 40-50" side-wall to centre of woof is more like it}

The idea behind damping the HF back waves with "traps" is to simulate a larger distance. Problem is, yr traps are too small for a UNIFORM effect. Try out both traps behind one speaker and listen. ALternatively, you might suggest a curtain of sorts (dunno if that would go down well...)
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