The SW series of subwoofers are the flagship of the CELTO range of loose bass transducers. There has been absolutely no compromise in design, selection of the materials used, manufacturing and the QC process.
The 18SW1500 is a beautifully finished ultra-thick powder coated aluminum die-cast woofer, with a solid <0.1% carbon CNC machined steel T-Yoke, French bobbin with Japanese wire 240°C voice coil, Japanese / USA damper, water resistant fiber loaded Canadian pulp paper cone, high grade Y35 flaw-free ferrite magnet and a robust 5mm square spring terminal connecting block.
Features
Ultra-high excursion, Low distortion design
Split winding voice coil
DCS (Deflective cooling system)
Water resistant Kevlar loaded paper cone
Optimized parameters for compact cabinet designs
Specifications
Nominal diameter: 460mm (18″”)
Nominal impedance: 8 ohms
Power handling: 1500W RMS (AES Standard)
Sensitivity: 97dB / 1W / 1m
Voice coil diameter: 4″” (100mm)
Voice coil height Hvc: 34mm
Voice coil air gap Hag: 15mm
Xmax (Hvc-Hag)/2 + Hag/4: +/- 13.25mm
Xmech (peak-peak): 62mm
Voice coil winding: 2 layer IN/OUT
Voice coil material: IEC grade copper
Voice coil former: T600 fiberglass
Suspension: Triple roll, impregnated fabric
Spider: Dual with silicon damping, NOMEX
Cone: Fiber loaded treated paper
Chassis: Die-cast aluminum
Magnet: 230mm diameter Y35 ferrite
Mounting & Shipping
Overall Diameter: 470mm
Bolt circle diameter: 445mm
Baffle cutout diameter: 422mm
Flange & gasket thickness: 13mm
Overall depth: 225mm
Net weight: 16Kg
Shipping weight: 19Kg
Shipping dimensions: 460x460x280mm
T&S Parameters
F(s): 34Hz
Q(ms): 9.763
V(as): 182 liters
M(ms): 248 grams
R(ms): 5.553 Kg/s
S(d): 1225 sq.c+C5m
V(d): 1.716 liters
R(e): 5.75 ohms
Q(es): 0.406
C(ms): 0.0853 mm/N
Q(ts): 0.39
L(e): 1KHz: 1.98mH
BL: 27.5
n(0): 1.8%
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