Dr. Scanlan graduated from the Northwestern University Feinberg School of Medicine in 1973. He works in Raleigh, NC and specializes in Cardiovascular Disease. Dr. Scanlan is affiliated with Duke Raleigh Hospital, Rex Hospital and Wakemed Cary Hospital.
A loudspeaker includes a diaphragm having a neck with an annular edge, a voice-coil former having an annular edge and a spider. There is structure formed with an annular groove. The annular edge of the neck and the annular edge of the voice-coil former are connected together in the annular groove in fixed relationship to the spider.