B&C 12 NDL 88

 

SPECIFICATIONS

Nominal Basket Diameter 12" / 320mm
Impedance 8 ohms
AES Power Rating 700 Watts
Program Power 1,400 Watts
Frequency Response 50Hz - 3.0kHz
Sensitivity (1W/1m) 98dB
Voice Coil Diameter 3.5" / 88mm
Winding Material Aluminum
Former Material Glass Fibre
Winding Depth .85" / 21mm
Magnetic Gap Depth .4" / 10.5mm
Flux Density 1.15T

MOUNTING INFORMATION

Overall Diameter 12.4" / 315mm
Bolt Circle Diameter 11.73" / 298mm
Baffle Cutout Diameter 11.1" / 282mm
Depth 5.51" / 140mm
Flange & Gasket Thickness .51" / 13mm
No. Of Mounting Holes 8
Net Weight 8.6 lbs./ 3.9 kg.
Shipping Weight 9.92 lbs./ 4.5 kg.
  

THIELE-SMALL PARAMETERS

Resonant Frequency (fs) 51 Hz
Impedance (Re) 5.0 ohms
Electrical Factor(Qes) 0.29
Mechanical Q (Qms) 5
Total Q (Qts) 0.27
Compliance Equiv. Vol. (Vas) 52 Liters/1.84cu. ft.
Voice Coil Overhang (Xmax) 8.0mm
Reference Efficiency 2.30%
BL Factor 19.9 T-M
Surface Area of Cone (Sd)m2 0.0522m2
Diaphragm Mass (Mms) 71 Grams
Coil Inductance 1.3mH