Electrostatic positioning 1A

I had a similar situtation in a previous home. I built two wooden panels that were placed behind the speakers so that the reflection was shorter than the distance I had to have, due to other restrictions from the rear wall. I also made the panels able to be tilted slightly and found that tilting them up a bit gave the best soundstage. The wood panels were about the same size as the electrostatic panel. The whole set-up was aesthetically very ugly--which may not work for you--but it did bring the vocals back into focus.

If you are asking about Soundlab A-1 speakers, there are separate controls for bass, mid and highs that are adjustable from each other. Add to that, the placement of RPG panels and tube traps greatly increase the ability to adjust the tonal balance and imaging of all types of electrostatic speakers.

I know from my own experience, that Soundlab speakers are best set up with the slider button on the bottom, rather than a spike. This allows you to position to within one fourth inch, without help from all your friends. Once long term listening has determined the precise and exact location you are willing to live with, replace the slider buttons with the spike.

Through much trial and error, I found that I could obtain my desired tonal tweaking with electrostats by adjusting both toe-in and tilt. Abstract7's suggestion also affords the ability to play with different sound absorption material on the rear panel which can be very beneficial as well as fun. Other "room tune" devices can help as well. With electrostats, it truly is a labor of love. Good luck.