Visaton bg 131720 p round full range speakers 8 ohm visaton 3017 a 16cm 65in round full range speaker from visaton includes a balanced frequency response from 80hz and high efficiency making it suitable as a full range unit for vocal or guitar monitors or as a mid range unit for full scale or musicians pa systems includes holes for fitting a transformer to magnet or basket tr 1016 or tr 68 for use in a 100 v network visaton 3017 bg 17 round fullrange speaker 8 ohm