SS Audio Speaker Diaphragm for Peavey RX14, 8 Ohm, D-RX14 Premium SS Audio Speaker Diaphragm for Peavey RX14, 8 Ohm, D-RX14 or some versions you must cut mounting screws to 7/16" (11mm) length to attach new diaphragm. Specs: Voice coil: 1-3/8" (35mm), Diameter: 3" (76mm), Impedance: 8 ohm, DCR: 5.8 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!