BRAND NEW
18SW115-4 B AND C
18" Professional Neodymium Subwoofer 4 Ohm
- The B&C 18SW115-4 is an advanced, lightweight subwoofer driver featuring 1,700 watts RMS power handling, a 1.33" long/4.5" diameter copper voice coil with very high thermal capability, and a ventilated neodymium magnet assembly that provides low power compression. An aluminum demodulation ring fitted to the 18SW115-4's pole piece reduces distortion.
- Lightweight but powerful FEA-optimized neodymium magnet
- Extremely high BL factor and Xmax for outstanding LF output
- 14 mm Xmax, 60 mm peak-to-peak excursion before damage
- 4.5" split winding copper voice coil on fiberglass former
- Ventilated voice coil gap reduces power compression
- Aluminum demodulation ring on pole piece reduces distortion
- Double silicone spider
- Nominal Diameter 18"
- Power Handling (RMS) 1,700 Watts
- Power Handling (max) 3,400 Watts
- Impedance 4 ohms
- Frequency Response 35 to 1,500 Hz
- Sensitivity 97 dB 1W/1m
- Voice Coil Diameter 4.5"
- Resonant Frequency (Fs) 32 Hz
- DC Resistance (Re) 5 ohms
- Voice Coil Inductance (Le) 1.9 mH
- Mechanical Q (Qms) 5.6
- Electromagnetic Q (Qes) 0.32
- Total Q (Qts) 0.3
- Compliance Equivalent Volume (Vas) 6.5 ft.³
- BL Product (BL) 30.3 Tm
- Diaphragm Mass Inc. Airload (Mms) 275g
- Maximum Linear Excursion (Xmax) 14 mm
- Surface Area of Cone (Sd) 1210 cm²
- Cone Material Coated Paper
- Surround Material Cloth
- Voice Coil Wire Material Copper
- Voice Coil Former Fiberglass
- Basket / Frame Material Cast Aluminum
- Magnet Material Neodymium
- Overall Outside Diameter 18"
- Baffle Cutout Diameter 16.6"
- Depth 9.5"Bolt
- Circle Diameter 17.44"
- # Mounting Holes 8
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