There is a famous sentence of Peter Walker on electrostatics - something like it is not difficult to make a good sounding one, very hard to make one the is reliable and lasts for long. I went through several electrostatics that had a short life and ended in the scrap. Just to say we need more information.
As far as I have read it applies only to few modern recordings. Surely it can be relevant for some audiophiles, not for me.
I have some of his albums - they are in the lot of LPs I decided to keep and will go on listening in vinyl.