EMINENCE LOUDSPEAKER OMEGA PRO-18 (18″ / 800Wrms)

For all high-power bass applications.old model code: • nominal basket diameter: 18″. 457.2mm • impedance: 8 ohm • power rating: 800Wrms • resonance: 25Hz • usable frequency range: 40Hz to 800Hz • magnet weight: 3.090kg. 109oz. • gap height: 0.375″. 9.53mm • voice coil diameter: 4″. 101.6mm • mounting information: •• overall diameter: 18″. 457.2mm •• baffle hole diameter: 16.56″. 420.5mm •• front sealing gasket: fitted as standard •• rear sealing gasket: fitted as standard •• mounting holes diameter: 0.28″. 7.1mm •• mounting hole B.C.D.: 17.25″. 438.2mm •• depth: 8.15″. 207mm • thiele-small parameters: •• resonant frequency (fs): 25Hz •• impedance (Re): 5.2 ohm •• coil inductance (Le): 1.67mH •• electromagnetic Q (Qes): 0.32 •• mechanical Q (Qms): 8.18 •• total Q (Qts): 0.31 •• compliance equivalent volume (Vas: 548.7 liters •• peak diaphragm displacement volume (Vd): 556cc •• mechanical compliance of suspension (Cms): 0.29mm/N •• BL Product (BL): 18.8 T-M •• diaphragm mass inc. airload (Mms): 138g •• equivalent resistance of mechanical suspension loss (Rms): 5.46N*sec/M •• efficiency bandwidth product (EBP): 79 •• voice coil overhang (Xmax): 5.5mm •• surface area of cone (Sd): 1159cm2 •• impedance at resonance (Zmax): 97 ohm • materials of construction: •• kapton coil former. polyamide-imide coated copper voice coil. ferrite magnet. die-cast aluminium basket. paper cone. cloth cone edge. solid composition paper dust cap