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SPECIFICATION GX12D2 GX12D4
Nominal Impedance (Z) 1.85 ohms 3.50 ohms
DC Resistance (Re) 3.70 ohms 7.00 ohms
Resonance Frequency (Fs) 21.23 Hz 21.80 Hz
Piston Area (Sd) 0.0499 m2 0.0499 m2
Force Factor (BL) 17.35 Tm 20.77 Tm
Mechanical Q Factor (Qms) 3.63 3.25
Electrical Q Factor (Qes) 0.30 0.34
Total Q Factor (Qts) 0.27 0.31
Sensitivity 1W/M (SPL) 87.44 dB 87.72 dB
Mechanical Compliance (Cms) 0.31 mm/N 0.35 mm/N
Moving Mass (Mms) 180.89 g 152.42 g
Linear Excursion (Xmax) 9 mm 9 mm
Volume Acoustic
Compliance (Vas)
107.90 Ltr
3.81 cu ft
121.48 Ltr
4.29 cu ft
Reference Efficiency (NO.) 0.33% 0.36%
Nominal Power (Pe) 400 Watts 400 Watts
Peak Power 00 Watts 00 Watts
Frequency Response 30-500 Hz 30-500 Hz
Voice Coil Diameter 2.5in/63.5mm 2.5in/63.5mm
Displacement 0.10 cu ft/2.72 Ltr 0.10 cu ft/2.72 Ltr
Overall Diameter (A) 12.50in/317.50mm 12.50in/317.50mm
Cut Out Diameter (B) 11.25in/285.75mm 11.25in/285.75mm
Mounting Depth (C) 6.26in/159mm 6.26in/159mm