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B&C 18TBX100-4 18" Woofer 4 Ohm

B&C SpeakersPart # 294-6009
Model: 18TBX100-4
The most powerful 18" in the B&C ceramic product range with its 1,200 watts RMS power handling, the 18TBX100-4 defines the low frequency reproduction "state of the art".

Key Features

  • 1,200 watts RMS power handling
  • 4" copper wire voice coil wound inside-outside on fiberglass former
  • Double spider suspension system maintains linearity
  • Dual demodulation rings in the magnet system
  • Very low distortion—nothing but deep, clean bass
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B&C 18TBX100 18" Woofer 8 Ohm
Price: $370.26Part # 294-676
See all items in Pro Woofers, Subwoofers & Midrange Speakers
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Overview

B&C 18TBX100-4 18" Woofer 4 Ohm

The industry-standard B&C Speakers 18TBX100-4 features a 1" long/4" diameter copper wire voice coil with high thermal capability, and a ventilated magnet assembly, both of which contribute to low power compression. A very low distortion figure is obtained using a double spider design and dual demodulation rings in the magnetic path. The 18TBX100-4 is fortified by a proprietary water-proof cone treatment that facilitates safe use in adverse climatic conditions. This benchmark pro subwoofer driver is found in many famous manufacturers' well-established loudspeaker enclosures.

Product Details

BrandB&C Speakers
Model18TBX100-4
Part Number294-6009
UPC848864009858
Unit of MeasureEach
Weight31.95

Product Specifications

Nominal Diameter18"
Bolt Circle Diameter17.3
Power Handling (RMS)2400 Watts
Impedance4Ω
Frequency Response35 to 1,000Hz
Sensitivity98dB 2.83V/1m
Voice Coil Diameter4"

Thiele-Small Parameters

Resonant Frequency (Fs)30Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)1.73mH
Mechanical Q (Qms)7
Electromagnetic Q (Qes)0.33
Total Q (Qts)0.31
Compliance Equivalent Volume (Vas)9.04ft³
BL Product (BL)22T·m
Diaphragm Mass Inc. Airload (Mms)230g
Maximum Linear Excursion (Xmax)9mm
Surface Area of Cone (Sd)1212cm²

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"
Depth8.2"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume2.5ft³
Sealed F377.7Hz
Vented Volume6ft³
Vented F338.7Hz

Specifications

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