Black Diamond DIA-M8.4B 8″ Mid-Range 4-Ohm Car Speaker (Single)
Key Features:
• Nominal Diameter: 8″
• RMS Power Handling: 275W
• MAX Power Handling: 550W
• Nominal Impedance: 4 Ohm
• Sensitivity: (1w/1m): 96 dB
• Frequency Response: 115Hz-16KHz
• Recommended Hi Pass Crossover: 120 Hz
Motor Specifications
• Voice Coil Diameter: 1.5″/ 38.6 mm
• Voice Coil Former Material: Kapton
• Winding Material: CCAW
• Cone Material: Paper
• Surround Material: Cloth
• Basket Material: Steel
• Magnet Weight: 30 oz
• Displacement Volume: .66L
Thiele & Small Parameters
• Equivalent Volume: 26.60L
• Excursion: 9.3mm
• Free Air Resonance: 93Hz
• Mechanical Factor: 9.275
• Electrical Factor: 0.589
• Total Factor: 0.552
• CD Resistance: 3.2 Ohms
Measurements
• Overall Diameter: 8.22″ / 209mm
• Overall Depth: 3.38″ / 86mm
• Front Mount Baffle Cutout: 7.16″ / 182 mm
• Mounting Depth: 3.11″ / 79 mm
• Motor Diameter: 4.72″ / 120mm
