BC Speakers Speaker 6NDL44 User Manual

Specification  
Nominal Diameter  
170 (6.5) mm (in)  
8 Ohm  
Nominal Impedance (1)  
Minimum Impedence  
Nominal Power Handling (2)  
Continuous Power Handling (3)  
Sensitivity (1W/1m) (4)  
Frequency Range  
5.8 Ohm  
200 W  
400 W  
91.5 dB  
70 - 6000 Hz  
44 (1.7) mm (in)  
Copper  
Voice Coil Diameter  
Winding Material  
Former Material  
Kapton  
Winding Depth  
Magnetic Gap Depth  
Flux Density  
12 (1/2) mm (in)  
6 (1/4) mm (in)  
1.25 T  
Thiele & Small Parameters  
Fs  
Re  
Qes  
Qms  
Qts  
68 Hz  
5.0 Ohm  
0.35  
9
0.34  
Vas  
Sd  
7.5 (0.26) dm3 (ft3)  
132 (20.5) cm2 (in2)  
0.65 %  
Eta Zero  
Xmax  
Xvar  
Mms  
Bl  
6.0 mm  
5.5 mm  
17.8 g  
10.3 Txm  
Le  
0.57 mH  
Mounting and Shipping Info  
Woofer  
400 W continuous program power capacity  
44 mm (1.7 in) copper voice coil  
70 - 6000 Hz response  
6NDL44  
Overall Diameter  
187 mm (7.4 in)  
Bolt Circle Diameter  
Baffle Cutout Diameter  
Depth  
Flange and Gasket Thickness  
Net Weight  
172 mm (6.7 in)  
145 mm (5.7 in)  
82 mm (3.2 in)  
11 mm (0.4 in)  
1.2 kg (2.6 lb)  
91.5 dB sensitivity  
Shipping Weight (4 units)  
Shipping Box (4 units)  
6.1 kg (13.4 lb)  
405x225x210 mm  
(15.9x8.8x8.3 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
4
Power on Continuous Program is defined as 3 dB greater than the  
Nominal rating.  
Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.  
 

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