Guangzhou Hiwell Audio Equipment Factory
--Professional audio woofers, drivers and OEM designs.
Model: 18SW037A-BL=26
Features:
99.3mm/4 inch fibreglass inside-outside copper voice coil
Imported Usonic power cone
Triple-roll surround with deeper roll
With Aluminum ring to increase the BL and lower distorsion
Neodymium magnet structure
Specifications
Nominal Diameter 460/18.11 mm/inch
Nominal Impedance 8 Ohm
Minimum Impedance 5.384 Ohm
Power handling
(50-500Hz)
Nominall 800 Watts
Continuous Program 1600 Watts
Sensitivity (1W/1m)3 97.2 dB
Frequency Range 34.32-1500 Hz
Voice Coil Diameter 99.3/3.9 mm/inch
Winding Material Copper inside/outside
Former Marerial Til
Winding Depth 25/0.98 mm/inch
Magnetic Gap Depth 12/0.5 mm/inch
Flux density 1.2 T
Thiele-Small parameters4
Fs 37.21 Hz
Re 5.3 Ohm
Qes 0.366
Qms 11.701
Qts 0.355
Vas 243.283 liters
η0 3.308 %
X max ±6.5 mm
X mech ±23 mm
Mms 193.499 gr
BL 25.583 N/A
Le 2.013 mH
Cms 0.094 MM/N
Mounting and Shipping Information
Blot Circle Diameter 441/17.4-8*6.5-11 mm/inch
Overall Diameter 460/18.11 mm/inch
Baffie Cutout Diameter 421/16.6 mm/inch
Depth 210/8.3 mm/inch
Flang and Gasket Tickness 14/0.6 mm/inch
Net Weight 9.70 Kg
Shipping Weight 11.5 Kg
Shipping BOX 470*470*230 mm
Magnet Size 95*25*10 mm



Packaging & Shipping
1. Packaging: Export Carton box

2. Shipping method:
Sample order by express
Produciton order by sea

1.Great CUSTOMER SERVICE and COMMUNICATIONS
2.Fair price & durable quality we provide
3.OEM service with 15 years experience R&D team