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! |
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8NSM64 |
8 Ohms Item Price: $333.61 |
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16 Ohms Item Price: $333.61 |
SPEAKER
MODEL |
8NSM64 |
SPECIFICATIONS |
|
Nominal
Basket Diameter |
8" |
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 | |
IMPEDANCE CURVE | |
US Speaker, LLC