BC Speakers Speaker 15 TBX 40 User Manual

Specifications  
Nominal Diameter  
Nominal Impedance  
Minumum Impedance  
Power Handling  
380 mm (15 in)  
8 Ω  
6.1 Ω  
(40 –400 Hz)  
Nominal1  
1000 W  
2000 W  
97 dB  
Continuous Program2  
Sensitivity (1W/1m)3  
Frequency Range  
Voice Coil Diameter  
Winding Material  
Former Material  
35 -1800 Hz  
100 mm (4 in)  
Copper  
Glass Fibre  
25 mm (1 in)  
12 mm (.47 in)  
1.1 T  
Winding Depth  
Magnetic Gap Depth  
Flux Density  
Also available in 4 , data upon request  
4
Thiele & Small Parameters  
Fs  
Re  
38 Hz  
5.2 Ω  
Qes  
Qms  
Qts  
Vas  
0.29  
6.3  
0.28  
131 dm3 (4.6 ft3)  
Sd  
855 cm2 (132.5 in2)  
2.3 %  
η0  
X max  
X Var  
Mms  
Bl  
9 mm  
11 mm  
141 g  
15 TBX 40 | Woofer  
24.6 T·m  
1.8 mH  
Le  
2000 W power handling, 4" voice coil with very high thermal  
capability and a ventilated magnet assembly that allows a 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. State of the art performance, in the smallest  
possible enclosure, set the 15 TBX 40 as a benchmark loudspeaker.  
Mounting and Shipping Information  
Overall Diameter  
Bolt Circle Diameter  
Baffle Cutout Diameter  
Depth  
394 mm (15.5 in)  
374 mm (14.6 in)  
355 mm (13.9 in)  
158 mm (6.2 in)  
16 mm (0.63 in)  
10.2 kg (22.4 lb)  
11.5 kg (25.3 lb)  
450x450x200 mm  
(17.7x17.7x8 in)  
Flange and Gasket Thickness  
Net weight  
Shipping Weight  
Shipping Box  
1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the  
specified range. Power calculated on rated minimum impedance. Loudspeaker in  
free air.  
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.  
3 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. Average SPL  
from 200 to 1200Hz.  
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-  
ditioning test.  
 

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