12" 1280 ACR BLACK MAGIC


Name 12" 1280 ACR BLACK MAGIC
Description Full range














SPECIFICATION

Nominal Dieameter 12 Inch
Nominal Impedance 8 Ohm
Cone Material Black Paper
Edge Cloth
Maximum Power 500 Watt
Magnet Weight 48.60 Oz
Frequency Response 45 Hz - 3.3 KHz
Sensitivity 95 dB
Voice Coil Diameter 49.5 mm



THIELE SMALL PARAMETER

Resonance Frequency Fs 45 Hz
DC Resistance Re 6.3 Ohm
Mechanical Factor Qms 6
Electical Factor Qes 0.47
Total Factor Qts 0.44
BL Factor BL 13.1 T/m
Effective Moving Mass Mms 45 Gram
Equivalent Cas Air Load Vas 101.8 Liter
Effective Piston Area Sd 510.7 Cm2
Voice Coil Inductance Le 0.59 mH
Half Space Efficiency Eff 1.90 %



MOUNTING INFORMATION

Overall Diameter 310 mm
Bolt Circle Diameter 294 mm
Bolt Hole Diameter 8 mm
Front Mount 284 mm
Overall Depth 127 mm

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