Parameter Value Unit/Notes
Effective piston area (Sd) 212.0 cm2
Free air resonance (Fs) 52.2 Hz
DC resistance (Re) 3.5 Ω
Mechanical Q factor (Qms) 3.558
Electrical Q factor (Qes) 0.559
Total Q factor (Qts) 0.483
Voice coil inductance (Le) 0.62 mH/milli-Henrys
Equivalent air volume (Vas) 20.9 Liters
Moving mass (Mms) 28.1 Grams/Mmd + air load mass
Suspension compliance (Cms) 330.7 µM/N/micro-Meters per Newton
Force factor (Bl) 7.64 Tm/Tesla-Meters
Sensitivity (SPLref) 92.6 dB/reference 8Ω/2.83Vrms
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