The CELTO 15NG500-8 forms part of the new range of loose mid-bass drivers stocked by Viva Afrika. As usual with CELTO products, there has been absolutely no compromise in design, selection of materials used, manufacturing and quality control. This 15” driver features a beautifully finished powder coated die cast aluminium basket, 240°C PI wire voice coil, premium Canadian pulp paper cone with waterproof coating on both sides, high purity and temperature DMEGC Y30 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 cone
Optimized parameters for compact cabinets
SPECIFICATIONS
Nominal diameter = 380mm (15 inch)
Nominal Impedance = 8Ω
Power handling = 500W RMS (AES Standard)
Sensitivity = 98dB / 1W / 1m
Voice coil diameter = 75mm
Voice coil height Hvc = 21mm
Voice coil air gap Hag = 9mm
Xmax (Hvc-Hag)/2 + Hag/4 = ±8.25mm
Xmech (peak-peak) = 44mm
Voice coil winding = 2 layers IN / OUT
Voice coil material = 240°C Thermal Class Copper
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 = Ø190mm Y30 Ferrite
MOUNTING & SHIPPING
Overall diameter = 400mm
Bolt circle diameter = 378mm (8*M5)
Baffle cutout diameter = 422mm
Flange and gasket thickness = 10mm
Overall depth = 164mm
Net weight = 7.5kg
Shipping weight = 9kg
Shipping box = 420x380x210mm
T&S PARAMETERS
F(s) = 45Hz
Q(ms) = 7.228
V(as) = 131ℓ
M(ms) = 105g
R(ms) = 6.92kg/s
S(d) = 881cm²
V(d) = 0.705ℓ
R(e) = 5.78Ω
Q(es) = 0.491
C(ms) = 0.119mm/N
Q(ts) = 0.46
L(e) 1kHz = 1.08mH
BL = 18.5
n(0) = 2.3%
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