Vintage 1970s80s Sonic Systems Inc. Soundsphere coaxial speaker Model – Q12 – 300 watt 360′ large room ceiling speaker, this 48 pound unit is 29 “H x 29″D and has a Fane ST5022 Tweeterand hard to findElectro Voice 8 OHM pro lineEVM-12S driver . In EX working condition, VGC cosmetically.