This is a Brand New For YAMAHA ? 8 ohm Aftermarket Diaphragm Please Look And Make Sure The Diaphragm You Are Ordering Matches The Pictures Above & The Specs Below FOR JAY2060, JAY2080, MD 2001 For Models C115V, CM15V, S115IV, S215IV, SM15V, SM15IV, SM12IV, S112 S115 S215 SM12 SM15 & More This diaphragm handles the same amount of power and sounds just like the original! Overall Diameter -- 3.57" Voice Coil Diameter -- 2.01" Impedance -- 8 ohm We Carry A Full Line Of RCF, Celestion & Eminence Speakers & Drivers If Youre Looking A Particular Model And You Dont See It Here Please Send Us A Message