Nakamichi NSW-J1204D4 12" Subwoofer DVC
Nominal Diameter: 12" (312mm)
Mounting Depth: 6" (152mm)
N-Power: 400 watts
Peak Power: 2800 watts
Nominal Impedance: 4Ω+4Ω
Frequency Response: 31Hz-2.5kHz
Sensitivity (SPL/1W/1m): 80±3dB
Free Air Resonance (Fo): 31.2Hz
Suspension Compliance (Cms): 159mm/N
Moving Mass (Mms): 163g
Mechanical “Q” (Qms): 5.94
Electrical “Q” (Qes): 185
Total Speaker “Q” (Qts): 179
Equivalent Volume (Vas): 60.3
DC Resistance (Re): 4Ω+4Ω
Effective Piston Area (Sd): 52.1mm2
Force Factor (BL): 37.2N/A
Reference Efficiency (No): 959m%
Voice Coil (V.C.): Φ49.55mm, ASV
Magnet Mass: 33.58Oz (952g)
Net Mass (1pc): Approx. 4.6kg
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