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Protruding wall heater

Does anybody have a wall heater in their listening room? Mine protrudes out 10" and is 40" tall. The upper area where the vent is located is where the mirror lands for first and second reflections using the sound reflection mirror test.

When sound hits that heater area, there’s a slightly annoying treble haze if you will. How to treat this spot? Obviously, I can’t cover the vent openings. I keep picturing some kind of portable panel I can put in front of heater for listening sesh’s and take it away when not listening. I can’t find any such products, with the exception of a bulky tripod contraption on Amazon.

Any suggestions?

Thanks,
Paulo
128x128paul70
sgordon1
412 posts
 
You might try some fo.Q tape,
strategically placed.  Or some weights
on the heater's top shelf.

Or wedge some kind of block
between the bottom of the heater and 
the floor, if you listen to music with
the heater off.

Also pay attention to the way the heater
is attached to the wall, if you believe
this could be important.
erik_squires
15,828 posts
 
You want a panel that stands by itself in front of it.

https://www.gikacoustics.com/product/freestand-acoustic-panel-gobo/

If you want to avoid blocking the heat you can locate the panel so it's in the way of the arriving signal, instead of the actual reflection point.
paul70's avatar
paul70 OP
11 posts
 
These are great, well thought out responses. I will consider all of them. Thank you.
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