They look like reasonable bookcase speakers to me, not enough hard gray plastic with yellowing from heat to be vintage OEM like these: https://i.ebayimg.com/00

They look like reasonable bookcase speakers to me, not enough hard gray plastic with yellowing from heat to be vintage OEM like these: https://i.ebayimg.com/00/s/NzY4WDEwMjQ=/z/Bi0AAOSw5cRZICJN/$_86.JPG https://i.ebayimg.com/00/s/NzY4WDEwMjQ=/z/Bi0AAOSw5cRZICJN/$...