NAKAMICHI NSW-X1204D4

SPECIFICATIONS

• Model No.: NSW-X1204D4
• Nominal Diameter: 12" (31.3cm)
• Mounting Depth: 3.82" (97mm)
• N-Power: 400 watts
• Peak Power: 4000 watts
• Nominal Impedance: 4Ω + 4Ω
• Frequency Response: 32 - 550 Hz
• Sensitivity (SPL/1W/1m): 87±3dB
• Free Air Resonance (Fo): 32 Hz
• Suspension Compliance (Cms): 74.5 uM/N
• Moving Mass (Mms): 179.8 g
• Mechanical “Q” (Qms): 44.15
• Electrical “Q” (Qes): 1.136
• Total Speaker “Q” (Qts): 0.904
• Equivalent Volume (Vas): 28.9 Ltr
• DC Resistance (Re): 3.3Ω + 3.3Ω
• Effective Piston Area (Sd): 522.79CM^2
• Force Factor (BL): 8.446
• Reference Efficiency (No): 0.20%
• Voice Coil (V.C.): Φ50.5mm, ASC
• Magnet Mass: 52 Oz (1474g)
• Net Mass (1pc): Approx. 4.8 kg