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Electrostatic speakers

I picked up a pair of Electrostatic Research Vista by Sunrise Audio;. Hooked them up to test them and both work. One sounds significantly louder them the other with balance set evenly. Does anyone have any ideas as to why? I am running them with a pioneer receiver just to test them. They are at my office have not brought them home yet. I plan the run them with two NAD 2200 amps, biamped. 
thanks

lester350
dekay's avatar
dekay
5,564 posts
 

Here's a pro review...

 

https://hometheaterhifi.com/volume_3_2/v3n2m.html

 

DeKay

audphile1's avatar
audphile1
4,927 posts
 

Vacuum the panels. Dust accumulation on the panels can do that. If it won’t help, the panel is most worn out. 

lester350 OP
8 posts
 

There are no places to adjust anything externally 
Thanks I’ll give the vac  a try. 

audphile1's avatar
audphile1
4,927 posts
 

Use a brush attachment and make shure it’s clean. But first disconnect the speakers for 5-6hrs, preferably overnight 

lester350 OP
8 posts
 

It looks like it is the panel. i tried to vacuum them. no difference. i did switch out the panels with the bases/woofers and the problem moved with the panel. Can anyone recommend a company who rebuilds panels?

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