B&C Speakers Subwoofer 18TBX100 Specification

18TBX100

Subwoofer

LF Drivers

LF Nd Drivers

Coaxials

HF Drivers

Horns

2000 W continuous program  power capacity

100 mm (4 in) copper voice coil

35 – 1000 Hz response

97 dB sensitivity

Aluminium demodulating ring allows a very low distortion figure

Double silicone spider with optimized compliance

Ventilated voice coil gap for reduced power compression

Specification

Nominal Diameter

460 (18) mm (in)

Nominal Impedance (1)

8 Ohm

Minimum Impedence

6.2 Ohm

Nominal Power Handling (2)

1000 W

Continuous  Power Handling (3)

2000 W

Sensitivity (1W/1m) (4)

97 dB

Frequency Range

35 - 1000 Hz

Voice Coil Diameter

100 (4) mm (in)

Winding Material

Copper 

Former Material

Glass Fibre 

Winding Depth

25 (1) mm (in)

Magnetic Gap Depth

12 (1/2) mm (in)

Flux Density

1.1 T

Thiele & Small Parameters

Fs

34 Hz

Re

5.1 Ohm

Qes

0.37 

Qms

7.2 

Qts

0.35 

Vas

212 (7.5) dm3 (ft3)

Sd

1210 (187.6) cm2 (in2)

Eta Zero

2.2 %

Xmax

+/- 9 mm

Xvar

+/- 11 mm

Mms

209 g

Bl

25.5 Txm

Le

1.6 mH

Mounting and Shipping Info

Overall Diameter

460 mm (18 in)

Bolt Circle Diameter

440 mm (17.3 in)

Baffle Cutout Diameter

422 mm (16.6 in)

Depth

209 mm (8.2 in)

Flange and Gasket Thickness

16 mm (5/8 in)

Net Weight

13 kg (28.6 lb)

Shipping Weight

14.4 kg (31.7 lb)

Shipping Box

500x500x250 mm

(19.7x19.7x9.8 in)

1

For different impedances, please ask.

2

2 hours test made with continuous pink noise signal (6 dB crest factor).

Power calculated on  rated minimum impedance. 

3

Power on Continuous Program is defined as 3 dB greater than the

Nominal rating.

4

Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms

Nominal Impedance