B & C  PROFESSIONAL COMPONENTS

8NSM64 - 8" LIGHTWEIGHT CLOSED BACK MIDRANGE SPEAKER 

B&C 8NSM64 IS A CLOSED BACK 8" MIDRANGE SPEAKER W/ HIGH EFFICIENCY OF 100 DB SPL & WORKS IN FRONT LOADED OR HORN LOADED MIDRANGE SYSTEMS!

B&C 8NSM64B&C 8NSM64

8NSM64

8 Ohms 

Item Price: $232.76

16 Ohms

Item Price: $232.76

SPEAKER MODEL

8NSM64

SPECIFICATIONS

Nominal Basket Diameter

8" / 200mm

Impedance

8 or 16 ohms

AES Power Rating

250 Watts

Program Power 500 Watts

Frequency Response

245Hz - 2.0kHz

Sensitivity (1W/1m)

100dB

Voice Coil Diameter

2.56" / 64mm

Winding Depth .39" / 10mm
Magnetic Gap Depth .3125" / 8mm
Flux Density 1.55T

MATERIALS

Basket Cast Aluminum
Surround Shape Double Roll
Cone Shape Radial
Cone Protection Waterproof
Spider Single
Pole Design T-Pole
Former Material Glass Fiber
Voice Coil Aluminum
Magnet Neodymium

MOUNTING INFORMATION

Overall Diameter 9.41" / 239mm
Bolt Circle Diameter 8.74" / 222mm
Baffle Cutout Diameter 7.87" / 200mm
Depth 4.53" / 115mm
Flange & Gasket Thickness .63" / 16mm
No. Of Mounting Holes 6
Net Weight 10.69 lbs./ 4.85 kg.
Shipping Weight 11.57 lbs./ 5.25 kg.

  THIELE-SMALL PARAMETERS

Resonant Frequency (fs)

245 Hz
Impedance (Re) 5.7 ohms
Electrical Factor(Qes) .35
Mechanical Q (Qms) 9.3
Total Q (Qts) .34
Compliance Equiv. Vol. (Vas) 1.5 Liters/.05cu. ft.
Voice Coil Overhang (Xmax) 2.0mm
Surface Area of Cone (Sd)m2 0.022m2
Diaphragm Mass(Mms) 19 Grams
Reference Efficiency 4.5%
BL Factor 22 T-M
Coil Inductance (Le) 0.6mH
FREQUENCY RESPONSE
B&C 8NSM64 Frequency
IMPEDANCE CURVE
B&C 8NSM64 Impedance

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