thiele/small parameters
Nominal Impedance (Z) 4 ohms
DC Resistance (Re) ]] 3.2 ohms
Resonance Frequency (Fs) 37.3460 Hz
Piston Area (Sd) 0.0330 m2
Force Factor (BL) 14.0082 T.m
Mechanical Q Factor (Qms) 2.8618
Electrical Q Factor (Qes) 0.4044
Total Q Factor (Qts) 0.3543
Sensitivity 1W/M (SPL) 87.2957
Mechanical Comp (Cms) 0.1719 mm/N
Moving Mass (Mms) 105.6787 g
Linear Excursion (Xmax) . 9 mm
Volume Acoustic Comp (Vas) 26.1432 Ltr/0.923238 cu ft
Reference Efficiency (NO.) 0.32% RMS
Power (Pe) 400 Watts
Frequency Response 20-250 Hz
Voice Coil Diameter 2.5 in/63.5 mm
Displacement 0.045 cu ft/ 1.275 Ltr
in the box:
SPC-10S2, Manual, Warranty