Doug Fleenor, XTBA, City Theatrical, Pathway, DMX Data Lynx, and others all make multi-universe switches.
Back in the very early days of HES and the LWR protocol (before the fixtures used DMX), HES produced some splitters and other data distribution equipment. It's possible that there was an AB switch then, but I've never seen one.
Doug Fleenor, XTBA, City Theatrical, Pathway, DMX Data Lynx, and others all make multi-universe switches.
Back in the very early days of HES and the LWR protocol (before the fixtures used DMX), HES produced some splitters and other data distribution equipment. It's possible that there was an AB switch then, but I've never seen one.
