NAKAMICHI NSW-P1209D4

SPECIFICATIONS

• Model No.: NSW-P1209D4
• Nominal Diameter: 12" (312mm)
• Mounting Depth: 5.98" (152mm)
• N-Power: 900 watts
• Peak Power: 6300 watts
• Nominal Impedance: 4Ω+4Ω
• Frequency Response: 37Hz-2.6kHz
• Sensitivity (SPL/1W/1m): 86±3dB
• Free Air Resonance (Fo): 46Hz
• Suspension Compliance (Cms): 94.196uM/N
• Moving Mass (Mms): 126.636g
• Mechanical “Q” (Qms): 4.514
• Electrical “Q” (Qes): 0.465
• Total Speaker “Q” (Qts): 0.421
• Equivalent Volume (Vas): 34.888
• DC Resistance (Re): 4Ω+4Ω
• Effective Piston Area (Sd): 52.1mm²
• Force Factor (BL): 11.917T·m
• Reference Efficiency (No): 0.710%
• Voice Coil (V.C.): Φ75.5mm, ASV
• Magnet Mass: 112.86oz (3200g)
• Net Mass (1pc): Approx. 8.3kg