Raven 10+ year member Lacking social skills! 4,697 14 Michigan Sep 22, 2005 #47 Circumference = Pi*Diameter ... Surface Area of a Voice Coil = Pi*Diameter*Height Pi*2*2 = 12.566 in^2 Pi*2*2.5 = 15.708 in^2 or, put a simpler way ... 2.5/2 = 1.25 (or 25% more surface area) ... Click to expand... ****! I knew something seemed fishy, I was calculating internal volume, I guess. =\
Circumference = Pi*Diameter ... Surface Area of a Voice Coil = Pi*Diameter*Height Pi*2*2 = 12.566 in^2 Pi*2*2.5 = 15.708 in^2 or, put a simpler way ... 2.5/2 = 1.25 (or 25% more surface area) ... Click to expand... ****! I knew something seemed fishy, I was calculating internal volume, I guess. =\