12" 1225 ACR NewMID 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
12" PA - 12880 Excellent MK II By ACR | ||
Mid range |
SPECIFICATION
Nominal Diameter 12 inch
Nominal Impedance 8 ohm
Cone material Black Paper
Edge Cloth
Maximum Power 500 watt
Magnet Weight 61.95 Oz
Frequency Response 41 Hz – 5.3 KHz
Sensitivity 1 M / 1 W 97 dB
Voice Coil Diameter 2.4 inch / 60.55 mm
THIELE SMALL PARAMETER
Resonance Frequency Fs 41 Hz
DC resistance Re 5.2 ohm
Mechanical Factor Qms 1.98
Electical Factor Qes 0.53
Total Factor Qts 0.29
BL Factor BL 12.5 N/A
Effective moving mass Mms 40.4 Gram
Equivalent cas air load Vas 153.9 Liter
Effective piston area Sd 543.3 Cm2
Voice coil inductance Le 0.21 mH
Half space efficiency Eff 2.96 %
MOUNTING INFORMATION
Overall Diameter 306 mm
Bolt Circle Diameter 297 mm
Bolt Hole Diameter 5.5 mm
Front Mount 280 mm
Overall depth 122 mm
12" PA - 7512 - M Fabulous By ACR | ||
Mid range |
SPECIFICATION
Nominal Diameter 12 inch
Nominal Impedance 8 ohm
Cone material Black Paper
Edge Cloth
Maximum Power 700 watt
Magnet Weight 75.95 Oz
Frequency Response 50 Hz – 5.2 KHz
Sensitivity 1 M / 1 W 97 dB
Voice Coil Diameter 3 inch / 75.5 mm
THIELE SMALL PARAMETER
Resonance Frequency Fs 50 Hz
DC resistance Re 5.3 ohm
Mechanical Factor Qms 13.98
Electical Factor Qes 0.32
Total Factor Qts 0.31
BL Factor BL 1.6 N/A
Effective moving mass Mms 49.7 Gram
Equivalent cas air load Vas 80 Liter
Effective piston area Sd 539.1 Cm2
Voice coil inductance Le 0.21 mH
Half space efficiency Eff 3.20 %
MOUNTING INFORMATION
Overall Diameter 321 mm
Bolt Circle Diameter 302 mm
Bolt Hole Diameter 6.5 mm
Front Mount 286 mm
Overall depth 134 mm
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