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 18SW1000 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

High excursion design
Deep, clean and punchy bass
DCS (Deflective cooling system)
Water resistant cone
Optimized parameters for compact cabinet designs

Specifications

Nominal diameter: 460mm (18inch)
Nominal impedance: 8 ohms
Power handling: 1000W RMS (AES Standard)
Sensitivity: 98dB / 1W / 1m
Voice coil diameter: 3.6 inch (91mm)
Voice coil height Hvc: 25mm
Voice coil air gap Hag: 10mm
Xmax (Hvc-Hag)/2 + Hag/4: +/- 10mm
Xmech (peak-peak): 46mm
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: Single, cold formed NOMEX®
Cone: Fiber loaded, waterproof treated paper
Chassis: Die Cast aluminum
Magnet: 200mm diameter Y35 ferrite

Mounting & Shipping

Overall Diameter: 470mm
Bolt circle diameter: 445mm
Baffle cutout diameter: 422mm
Flange & gasket thickness: 13mm
Overall depth: 210mm
Net weight: 9.7Kg
Shipping weight: 12Kg
Shipping dimensions: 460x460x280mm

T&S Parameters

F(s): 35Hz
Q(ms): 6.224
V(as): 250 liters
M(ms): 195 grams
R(ms):6.92 Kg/s
S(d): 1288 sq.c+C5m
V(d): 1.28 liters
R(e): 5.57 ohms
Q(es): 0.497
C(ms): 0.101 mm/N
Q(ts): 0.46
L(e): 1KHz: 1.73mH
BL: 22
n(0): 2.08%