Speaker balls Grundig audiorama 8000 years 70

Pair of speakers balls edited by Grundig in the 1970s. Model Audiorama 8000. Nice condition (scratches, very slight depression on grid) presentation. Good condition (tested on Hi-Fi). 4 HP by sphere (2 mediums, 2 bass). Fastening system "channels" for original ceiling, links can be removed one by one for the desired height (these are sold with 8 links each, height about 90/95 cm from the ceiling. If you need more links I can supply) The speakers are heavy. Diameter 32 cm. Feel free to contact me if you need more info.