B&C 18TBX100 18" Woofer

Brand:| Model: 18TBX100
The most powerful 18" in the B&C ceramic product range with its 1000 watts RMS power handling, the 18TBX100 defines the low frequency reproduction "state of the art".
  • 1000 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
Part # 
Weight: 32.6 lbs.  
List Price$484.56
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Part # 294-676
Qty:  EA
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Product Details

B&C 18TBX100 18" Woofer

The industry-standard B&C Speakers 18TBX100 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 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 Specifications
  • Nominal Diameter18"
  • Power Handling (RMS)1200 Watts
  • Power Handling (max)2400 Watts
  • Impedance8 ohms
  • Frequency Response35 to 1,000 Hz
  • Sensitivity97 dB 1W/1m
  • Voice Coil Diameter4"
Thiele-Small Parameters
  • Resonant Frequency (Fs)34 Hz
  • DC Resistance (Re)5.1 ohms
  • Voice Coil Inductance (Le)1.6 mH
  • Mechanical Q (Qms)7.2
  • Electromagnetic Q (Qes)0.37
  • Total Q (Qts)0.35
  • Compliance Equivalent Volume (Vas)7.5 ft.³
  • BL Product (BL)25.5 Tm
  • Diaphragm Mass Inc. Airload (Mms)209g
  • Maximum Linear Excursion (Xmax)9 mm
  • Surface Area of Cone (Sd)1210 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerFiberglass
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter18"
  • Baffle Cutout Diameter16.6"
  • Depth8.2"
  • Bolt Circle Diameter17.3"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1.4 ft.³
  • Sealed F383 Hz
  • Vented Volume3.66 ft.³
  • Vented F350 Hz
B&C 18TBX100 18" Woofer
  • BrandB&C Speakers
  • Model18TBX100
  • Part Number294-676
  • UPC844632002229
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (8 Reviews)
  • Weight32.6 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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B&C 18TBX100 18" Woofer
B&C 18TBX100 18" Woofer is rated 4.875 out of 5 by 8.
Rated 5 out of 5 by from AMAZING PERFORMANCE!!!!I was looking at these for about a year before I broke down and got one, I wish I hadn't waited that long. I have been using Eminence Omegas in some scoop cabinets. I tend to worry about them because our 5 piece band gets pretty loud and I don't have a sound guy. The worry is over. These go so much lower and have better overall tone than the Omegas. 2000 watts is no problem thrown at one of these. This one sub sounds better than the pair of Omegas. The Eminence Omega subs have been good to me over the past couple years, but this B&C is showing me love I don't deserve!!!! The cone that is weather treated front and back is 3 times as thick as the Omega and with the high BL factor it performs awesome in the folded scoop. I loaded it in a JBL SR4718 cabinet and ran it at the last show I played and it sounded so sweet, punchy and tight at any volume. It eats up 2100 watts from my Crown amp no problem. I can't wait to get the next one. Check the reviews on any B&C component!!!!! Thanks Parts Express for the free delivery. They always get the stuff to my house 2 days after I order!!!!
Date published: 2013-03-12
Rated 5 out of 5 by from Great Upgrade for the Cerwin-Vega EL36cI took the advice from Stewards Productions and upgraded my EL36c cabinets and the difference is unbelievable. The sound quality is much better and they are WAY louder.
Date published: 2011-12-08
Rated 5 out of 5 by from BassI replaced the original drivers in my cerwin vega EL36B cabinets with these speakers and they out perform even the cervin vega afterburners, I run 6 of these in a sportsbar club and the bass is so intense it has shaken the bricks outside of the building loose from the mortar. Truly wouldn't use anything else and i have yet to blow any of these driers since i started using them.
Date published: 2011-11-09
Rated 4 out of 5 by from will buy these againthe speaker performs very well in dual 18 inch box. only thing is that they dont go to low as they say do but other then that , its well worth the money.
Date published: 2010-12-29
Rated 5 out of 5 by from Only woofer that I will use.I use these in all of my 8 basebins and will not choose another to replace them. They are very clear and dependable. I am very pleased with this product and anyone on the fence of deciding can choose them and be stress free.
Date published: 2010-06-09
Rated 5 out of 5 by from TBX 100 in Folded Horn Cerwin Vega CabI had brought these subs to replace the EL-36 Cerwin Vega subs that I had. I decided to buy 2 of the B&C 18tbx100 subs since they had a lot mor power handling I'm running a 2 Crown XTi amps 1600 Bridge at 8 ohm to each 18tbx100 sub and it was like wow a lot of clean bass. I use them for Mobile DJ gigs and I have a youtube channel you can checkout www.youtube.com\stewardsproductions the link below is a video on these subs that I made.http://www.youtube.com/watch?v=YhQ_dXPZBgwI will let you know that I planning on getting 2 more
Date published: 2009-10-18
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Product Q&A

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B&C 18TBX100 18" Woofer

hello...im trying to get 12 of those drivers. what is the lowest price i can get on them 

Asked by: berson
Please contact our sales and customer service for available stock, price and shipping options. sales@parts-express.com or 800-338-0531 x2.
Answered by: MattP
Date published: 2015-02-19

Website says "Due In: 8/12/2014" does this mean 12 August or 8 December? Huib

Asked by: Huib
This is August 12.
Answered by: MattP
Date published: 2014-07-28

Will this Sub fit in JE-36 enclosures? I have a couple cabinets I'm not using and would like to get some usage out of them.

Asked by: HydraSounds
The sub will work in the enclosure, you will have to verify the actual dimensions for fitting.
Answered by: MattP
Date published: 2014-06-10

what are the enclosure recommendations for this driver?

Asked by: the duce
I would recommend a 5.0 cubic foot enclosure tuned to 40 Hz using four of the 4" Precision Port tubes at full length. This will yield an F3 of 44 Hz.
Answered by: mikevv
Date published: 2014-10-26
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