Sansui SS-L5 anyone know about these ?

[toears]

I guess they are very old ?. I can't find anything about them anywhere.. 
Maybe a reader here know their origin, sound signature and story ?
 
cheers

 

 

[SoNDuRuM]

Hello
I've two model SS-L5 and SS-L3 for collection



Specifications Card

 

[toears]

Great, thanks.