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B&C 18TBW100-4 18" Professional Subwoofer 4 Ohm

B&C Speakers
Part #294-6008

B&C 18TBW100-4 18" Professional Subwoofer 4 Ohm

B&C Speakers
Part #294-6008  
Model: 18TBW100-4
Choose the 18TBW100-4 18" subwoofer from B&C Speakers for serious professional audio applications where extremely high power handling and low distortion are required.
Key Features
  • High BL motor for impressive control and massive output
  • Split winding 4 ohm 4" voice coil handles 1,500 watts RMS
  • Aluminum demodulating ring reduces distortion
  • Under-spider venting for maximum power handling
  • Capable of producing big sound when loaded in small boxes
Your Price: $402.78
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MSRP: $671.29
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Overview

B&C 18TBW100-4 18" Professional Subwoofer 4 Ohm

B&C's 18TBW100-4 18" professional woofer features 3,000 watts of continuous program power capacity, thanks to its 4" split winding copper voice coil. A frequency response of 30 to 1,000 Hz and 57 mm of peak-to-peak excursion (before damage) combine to make this one of the top woofers in its class. The 18TBW100-4's double silicone spider with optimized compliance keeps the driver controlled, while the ventilated voice coil gap reduces power compression. Low distortion is achieved by using an aluminum demodulating ring in the driver's magnetic circuit. Great performance is realized in vented boxes as small as 7 cu. ft.

Product Details

BrandB&C Speakers
Model18TBW100-4
Part Number294-6008
UPC848864009841
Unit of MeasureEach
Weight37.95

Product Specifications

Nominal Diameter18"
Bolt Circle Diameter17.4
Power Handling (RMS)1500 Watts
Power Handling (MAX)3000 Watts
Impedance4Ω
Frequency Response33 to 1,000Hz
Sensitivity96dB 2.83V/1m
Voice Coil Diameter4"

Thiele-Small Parameters

Resonant Frequency (Fs)33Hz
DC Resistance (Re)3.2Ω
Voice Coil Inductance (Le)1.64mH
Mechanical Q (Qms)6.23
Electromagnetic Q (Qes)0.34
Total Q (Qts)0.32
Compliance Equivalent Volume (Vas)6.41ft³
Mechanical Compliance of Suspension (Cms)0.088mm/N
BL Product (BL)22.8T·m
Diaphragm Mass Inc. Airload (Mms)268.2g
Maximum Linear Excursion (Xmax)12mm
Surface Area of Cone (Sd)1210cm²

Materials of Construction

Cone MaterialCoated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialFerrite

Mounting Information

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

Parts Express Staff Recommended Enclosure Volume

Sealed Volume2.5ft³
Sealed F384.6Hz
Vented Volume6ft³
Vented F335.5Hz

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