NAKAMICHI NSW-J1204D4

SPECIFICATIONS

• Model No.: NSW-J1204D4
• 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): ≤95m%
• Voice Coil (V.C.): Φ49.55mm, ASV
• Magnet Mass: 33.58oz (952g)
• Net Mass (1pc): Approx. 4.6kg