SS Audio Electro Voice Aftermarket Speaker Replacement Horn Diaphragm, DH3, DH2010A, D-DH3 Premium SS Audio Diaphragm for Electro Voice DH3, DH2005, DH2010 horn drivers and many other models. Specs: Voice coil: 1.25" (32mm), Diameter: 2" (50mm), Length: 3" (150mm), Impedance: 8 ohm, DCR: 5.2 ohm SUPERIOR quality, LARGEST selection, and the BEST prices! FREE technical support. FAST & FREE shipping to any USA address. To get the BEST quality repair parts, be sure to buy ONLY from SS Audio and Simply Speakers. Thank you!