B&C 18SW115

Aprašymas

• 3400 W continuous program power capacity
• 116 mm (4.5 in) split winding copper voice coil
• 35 – 1500 Hz response
• 97 dB sensitivity
• 60 mm peak-to-peak excursion before damage
• Neodymium magnet allows a very high force factor and linear excursion
• Double silicone spider with optimized compliance
• Ventilated voice coil gap for reduced power compression
• Aluminium demodulating ring for very low distortion

SPECIFICATIONS
Nominal Basket Diameter	18″ / 460mm
Impedance	4 or 8 ohms
RMS Power Rating	1,700 Watts
Program Power	3,400 Watts
Frequency Response	35Hz – 1.5kHz
Sensitivity (1W/1m)	97dB
Voice Coil Diameter	4.5″ / 116mm
Winding Material	Copper
Former Material	Fiberglass
Winding Depth	1.33″ / 34mm
Magnetic Gap Depth	.55″ / 14mm
Flux Density	1.16T
MOUNTING INFORMATION
Overall Diameter	18″ / 460mm
Bolt Circle Diameter	17.44″ / 443mm
Baffle Cutout Diameter	16.6″ / 422mm
Depth	9.5″ / 242mm
Flange & Gasket Thickness	.625″ / 16mm
No. Of Mounting Holes	8
Volume Displaced By Driver	0.3 ft3  /  10.5 Liters
Net Weight	26.2 lbs./ 11.9 kg.
Shipping Weight	30.6 lbs./ 13.9 kg.
MATERIALS
Basket	Die Cast Aluminum
Cone	Treated Paper
Surround Shape	Triple Roll
Cone Shape	Radial
Voice Coil	Copper
Pole Design	T-Pole
Spider	Double Silicone
Magnet	Neodymium
THIELE-SMALL PARAMETERS
Resonant Frequency (fs)	32 Hz
Impedance (Re)	5.3 ohms
Electrical Factor(Qes)	.32
Mechanical Q (Qms)	5.6
Total Q (Qts)	.3
Compliance Equiv. Vol. (Vas)	187 Liters/6.5cu. ft.
Voice Coil Overhang (Xmax)	14.0mm
Reference Efficiency	1.9%
Diaphragm Mass (Mms)	275 grams
BL Factor	30.3 T-M
Surface Area of Cone (Sd)m2	0.1210m2
Coil Inductance (Le)	1.9mH
EBP (Fs/Qes)	100
SPL VS. FREQUENCY
IMPEDANCE