This newer release from Peavey will replace the older models of this diaphragm. This diaphragm kit is compatible with the following models:RX22NRX22RXXT+Overview:Now used for ALL 22 series drivers: RX22, 22A, 22XT, 22XT+, 22NProfessional and Heavey DutyVoice coil: 2 (50mm)Diameter: 4.5 (115mm) New 4 (102mm)Impedance: 8 ohmTitanium dome with edge wound copper clad aluminum voice coil on high temp composite bobbinInstallation instructions, Ferro Fluid, and new mounting bolts includedPeavey Item No. 03617300Get your Peavey RX22N Replacement Diaphragm Kit today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.