Cerwin Vega Replacement Speaker Diaphragm H25, H025, N30, H027 Premium SS Audio Cerwin Vega Speaker Horn Diaphragm Fits H25, H025, N30, H027, V15, V30, V43, SW-12, SM 15, PD18, and many others Specs: Voice coil: 1" (25mm), Diameter: 1-3/4" (45mm), Length: 3-1/8" (79mm), Impedance: 8 ohm, DCR: 7 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!