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-long excursion
Split winding voice coil
DCS (Deflective cooling system)
Water resistant Kevlar® loaded paper cone
Optimized parameters for compact cabinet designs
Specifications
Nominal diameter: 460mm (18inch)
Nominal impedance: 8 ohms
Power handling: 1500W RMS (AES Standard)
Sensitivity: 97dB / 1W / 1m
Voice coil diameter: 4 inch (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: 240°C Thermal Class Copper
Voice coil former: DUPONT® GFB fiberglass
Suspension: Triple roll, impregnated fabric
Spider: Dual with silicon damping, NOMEX®
Cone: Fiber loaded, waterproof 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: 15.5Kg
Shipping weight: 18Kg
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
As a world leading manufacturer, CELTO meticulously engineered this premium woofer to offer top class performance, consistency and long-term reliability. Featuring an exclusive blend of Canadian pulp cone reinforced by KEVLAR fibre, this high-efficiency driver has been designed to provide deep and precise low frequency reproduction in compact vented cabinets.
The 18NGW1200 features the beautifully crafted CELTO low turbulence aluminium basket with a flawless powder-coated finish, robust push terminal connectors, and 240°C thermal class voice coil (500°C peak), guaranteeing the longevity of this product.
With extensive experience serving the African market since 2010, CELTO designed the new NGW series specifically to withstand the high physical and electrical demands of our continent, including but not limited to an anti-shift motor system assembly and a dual-layer glue rivet process to avoid broken spiders.
FEATURES
Long excursion, Low distortion design
Deep, clean and punchy sound
Water resistant KEVLAR® loaded paper cone
Optimized parameters for compact cabinets
SPECIFICATIONS
Nominal diameter: 460mm (18 inch)
Nominal Impedance: 8 ohms
Power handling: 1200W RMS (AES Standard)
Sensitivity: 97 dB / 1W / 1m
Voice coil diameter: 4 inch (100mm)
Voice coil height Hvc: 26mm
Voice coil air gap Hag: 12mm
Xmax (Hvc-Hag)/2 + Hag/4: ±10mm
Xmech (peak-peak): 50mm
Voice coil winding: 2 layers IN / OUT
Voice coil material: 240°C Thermal Class Copper
Voice coil former: BAF fiberglass
Suspension: Triple roll, impregnated fabric
Spider: dual with silicon damping, NOMEX®
Cone: fibre loaded, waterproof treated paper
Chassis: Die Cast Aluminium
Magnet: Ø220mm Y35 Ferrite
MOUNTING & SHIPPING
Overall diameter: 470 mm
Bolt circle diameter: 445 mm
Baffle cutout diameter: 422 mm
Flange and gasket thickness: 13 mm
Overall depth: 212 mm
Net weight: 13 kg
Shipping weight: 15 kg
Shipping box: 500x455x265 mm
T&S PARAMETERS
F(s): 35 Hz
Q(ms): 10.325
V(as): 206 litres
M(ms): 218 grams
R(ms): 4.568 kg/s
S(d): 1225 sq.cm
V(d): 1.225 liters
R(e): 5.7 ohms
Q(es): 0.431
C(ms): 0.0962 mm/N
Q(ts): 0.416
L(e) 1kHz: 1.98 mH
BL: 24.9
n(0): 2.01%
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%