Down4Sound D4S NMR804 8" 120W RMS Neo Midrange Speaker (Single)

Specifications

• Nominal Diameter: 8 in (210 mm)
• Power Handling (RMS): 120W
• Sensitivity (1W/1m): 100 dB
• Frequency Response: 200 Hz – 15 kHz
• Impedance: 4 Ohm/8 Ohm

Mounting Information

• Overall Diameter: 8 in (210 mm)
• Baffle Cutout Diameter: 6.54 in (166 mm)
• Bolt Circle Diameter: 7.8 in (198 mm)
• Mounting Depth: 3.07 in (78 mm)
• Net Weight: ~2.6 lbs (1.2 kg)

Thiele/Small Parameters

• Resonant Frequency (Fs): 142 Hz
• Qms (Mechanical): 8.8
• Qes (Electrical): 0.72
• Qts (Total): 0.67
• Vas: 9.1 L
• Cms: 131 µM/N
• BL: 9.3 N/A
• Sd: 21.6 cm²
• Xmax: 2.5 mm