The most powerful 18" in the B&C product range with its 1000 watts RMS power handling, the 18TBX100 defines the "state of the art" about low frequency reproduction.
B&C 18TBX100 Description:
The most powerful 18" in the B&C product range with its 1000 watts RMS power handling, the 18TBX100 defines the "state of the art" about low frequency reproduction. A 1" long/4" diameter copper wire voice coil with high thermal capability, and a ventilated magnet assembly both 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. Proprietary water-proof cone treatment for safe use in adverse climatic conditions. Specifications: *Power handling: 1000 watts RMS *VCdia: 4" *Le: 1.6 mH *Impedance: 8 ohms *Re: 5.1 ohms *Frequency response: 35-1000 Hz *Fs: 34 Hz *SPL: 97 dB 1W/1m *Vas: 7.5 cu. ft. *Qms: 7.2 *Qes: 0.37 *Qts: 0.35 *Xmax: 10 mm *Dimensions: A: 18" B: 16.6" C: 8.2"
B&C cone loudspeaker models range from 6.5" to 21", each built on a sturdy die-cast aluminum chassis for maximum mechanical reliability. Voice coils are wound in two layers inside-outside around Kapton or fiberglass formers, giving them the ability to withstand very high thermal stress. Loudspeaker cones are treated with a special stiffening finish, resulting in excellent rigidity and avoiding break-up problems when driven to full power.
Many B&C speakers include carefully balanced copper or aluminum rings that minimize variations in the magnetic field during operation, reducing distortion and increasing accuracy in reproduced sound. The TBX series also features a specially designed cooling path through the magnet assembly to further increase power handling and lower power compression. The HPL (High Power Lightweight) models use powerful neodymium magnets which offer a weight reduction of up to 60%, and special chassis designs for improved cooling.
The design and optimization are performed with up-to-date Finite Element Analysis (FEA) to obtain the best combination of efficiency, linearity, and thermal exchange. Ongoing research and refining of the theoretical models and a constant updating of the measurement methods and instruments allow B&C to further increase excursion capabilities, consistency, and overall sound quality.