ACR 1230 BLACK

12" 1230 ACR Black
Full range

SPECIFICATION
Nominal Diameter   12  inch
Nominal Impedance   8  ohm
Cone material   Black Paper
Maximum Power   500 watt
Magnet Weight   34.30 Oz
Frequency Response   59 Hz – 16.4 KHz
Sensitivity 1 M / 1 W   94 dB
Voice Coil Diameter   1.4 inch / 3.8 cm

THIELE SMALL PARAMETER
Resonance Frequency   Fs   59 Hz
DC resistance   Re   6.9 ohm
Mechanical Factor   Qms   13
Electical Factor   Qes   0.93
Total Factor   Qts   0.87
BL Factor   BL   10.4 N/A
Effective moving mass   Mms   39 Gram
Equivalent cas air load   Vas   73.3 Liter
Effective piston area   Sd   530.9 Cm2
Voice coil inductance   Le   0.00 mH
Half space efficiency   Eff   1.57 %

MOUNTING INFORMATION
Overall Diameter  306 mm
Bolt Circle Diameter   293 mm
Bolt Hole Diameter   6 mm
Front Mount   275 mm
Overall depth   130 mm