ACR 1225 NEW

12" 1225 ACR New
Mid-range

SPECIFICATION

Nominal Diameter   12 inch / 305 mm
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   350 watt
Magnet Weight   27.93 Oz
Frequency Response   47 Hz – 11.1 KHz
Sensitivity 1 M / 1 W   93 dB
Voice Coil Diameter   1.4 inch / 35.5 mm
Voice Coil Former Material   Aluminium SV

THIELE SMALL PARAMETER

Resonance Frequency   Fs   47 Hz
DC resistance   Re   5.5 ohm
Mechanical Factor   Qms   4
Electical Factor   Qes   0.92
Total Factor   Qts   0.76
BL Factor   BL   8.1 T/m
Effective moving mass   Mms   37.3 Gram
Equivalent cas air load   Vas   121.4 Liter
Effective piston area   Sd   530.9 Cm2
Voice coil inductance   Le   0.33 mH
Half space efficiency   Eff   1.32 %

MOUNTING INFORMATION

Overall Diameter  306 mm
Bolt Circle Diameter   293 mm
Bolt Hole Diameter   6 mm
Front Mount   275 mm
Overall depth   119 mm