Celto Acoustique 12NG500-8

The CELTO 12NG500-8 forms part of the new range of loose mid-bass drivers stocked by BC Electronics. As usual with CELTO products, there has been absolutely no compromise in design, selection of materials used, manufacturing and quality control. This 12” driver features a beautifully finished powder coated die cast aluminium basket, Japanese wire 240°C voice coil, KEVLAR® loaded Canadian pulp paper cone with waterproof coating on both sides, high purity and temperature DMEGC Y35 magnate, and secure square push terminals able to accommodate 5mm diameter connecting wire.   FEATURES Balanced tonality ideal for 2-way speakers High efficiency Water resistant paper cone Optimized parameters for compact cabinets SPECIFICATIONS Nominal diameter = 320mm (12 inch) Nominal Impedance = 8Ω Power handling = 500W RMS (AES Standard) Sensitivity = 97dB / 1W / 1m Voice coil diameter = 75mm Voice coil height Hvc = 20.5mm Voice coil air gap Hag = 9mm Xmax (Hvc-Hag)/2 Hag/4 = ±8mm Xmech (peak-peak) = 40mm Voice coil winding = 2 layers IN / OUT Voice coil material = 240°C Thermal Class CCAW Voice coil former = T600 fiberglass Suspension = Triple roll, impregnated fabric Spider = single, cold formed NOMEX® Cone = fiber loaded treated paper Chassis = Die Cast Aluminum Magnet = Ø180mm Y30 Ferrite MOUNTING & SHIPPING Overall diameter = 315mm Bolt circle diameter = 302mm (8*M5) Baffle cutout diameter = 282mm Flange and gasket thickness = 10mm Overall depth = 139mm Net weight = 6kg Shipping weight = 7kg Shipping box = 350x310x180mm T&S PARAMETERS F(s) = 49Hz Q(ms) = 8.254 V(as) = 75ℓ M(ms) = 61g R(ms) = 2.27kg/s S(d) = 551cm² V(d) = 0.441ℓ R(e) = 5.4Ω Q(es) = 0.453 C(ms) = 0.173mm/N Q(ts) = 0.43 L(e) 1kHz = 1.08mH BL = 15 n(0) = 1.87%