Sony Electrostats info needed

[GMaestro]

Does anybody maybe know the Sony SA-S1 Electrostatic active monitors?

Any Idea on what a mint pair will sell for today or what they are worth? 

Cannot find much info on the web..

 

[Micron]

 

[Skylark]

 

[GMaestro]

 

[Micron]

 

[GMaestro]

 

[Micron]

 

[scrarfussi]

 

[Micron]

 

[CAD]

 

[King_Julian_S]

 

[GMaestro]

 

[Atjan]

 

[Micron]

 

[GMaestro]