Peavey 18" Lo Max RB - Peavey 18" Lo Max RB Replacement Speaker Basket. Specifications: Impedance: 8 ohm. Power capacity: 4800 watts peak, 2400 watts program, 1200 watts continuous. Sensitivity: 97.1 db. Usable freq. range: 30 Hz - 500 Hz. Cone: Kevlar impregnated cellulose. VCdia: 4.0" / 100 mm. Voice coil material: Polyimide coated copper ribbon wire Polyimide-impregnated fiberglass former Nomex stiffener Solderless diffusion welded OFHC copper leads. Znom: 8 ohms. Revc: 6.10 ohms. SD: 0.1237 sq. m. BL: 25.51 T/M. Fo: 33.5 Hz. Vas: 294.7 L. Cms: 135.6 uM/N. Mms: 167.9 gm. QMS: 8.741. Qes: 0.330. Qts: 0.318. Xmax: 8.25 mm. Le: 0.751 mH. SPL: 97.1 1W/1m. No: 3.21%. Vd: 128.7 cu. in./2110 mL. Pmax: 2400 watts pgm. Disp: 284 cu. in./4655 mL. PEAVEY REPLACEMENT BASKET FOR 18LOMAX