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B&C 18SW115 18" Neodymium Subwoofer Speaker Driver

B&C Speakers
Part #294-575

B&C 18SW115 18" Neodymium Subwoofer Speaker Driver

B&C Speakers
Part #294-575  
Model: 18SW115
B&C's 18SW115 18" pro subwoofer speaker boasts an oversized 4.5" voice coil, neodymium motor, 1,700 watts RMS power handling capacity, and 14 mm Xmax (60 mm peak-to-peak excursion before damage).
Key Features
  • 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
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Overview

B&C 18SW115 18" Neodymium Subwoofer Speaker Driver

The B&C 18SW115 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's pole piece reduces distortion.

Product Details

BrandB&C Speakers
Model18SW115
Part Number294-575
UPC844632086120
Unit of MeasureEach
Weight30.4

Product Specifications

Nominal Diameter18"
Bolt Circle Diameter17.44
Power Handling (RMS)1700 Watts
Power Handling (MAX)3400 Watts
Impedance
Frequency Response35 to 1,500Hz
Sensitivity97dB 2.83V/1m
Voice Coil Diameter4.5"

Thiele-Small Parameters

Resonant Frequency (Fs)32Hz
DC Resistance (Re)5.3Ω
Voice Coil Inductance (Le)1.9mH
Mechanical Q (Qms)5.6
Electromagnetic Q (Qes)0.32
Total Q (Qts)0.3
Compliance Equivalent Volume (Vas)6.5ft³
BL Product (BL)30.3T·m
Diaphragm Mass Inc. Airload (Mms)275g
Maximum Linear Excursion (Xmax)14mm
Surface Area of Cone (Sd)1210cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter18"
Baffle Cutout Diameter16.6"
Depth9.5"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume2.25ft³
Sealed F387.9Hz
Vented Volume6ft³
Vented F336.3Hz

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