Key Features:

• Nominal Diameter: 15″ (381mm)
• Nominal Impedance: 4+4 Ohm
• RMS Power Handling: 1000 Watts
• MAX Power Handling: 2000 Watts
• Sensitivity: (1w/1m) 85 dB
• Frequency Response: 15-200Hz
• Recommended Lo Pass Crossover: 80Hz

Specifications:

• Black Diamond DIA-T15.4D MOTOR SPECIFICATIONS:
  • Voice Coil Diameter: 3″ (76.5mm)
  • Voice Coil Former Material: Aluminum
  • Winding Material: Copper
  • Cone Material: Non-Pressed Paper
  • Dust Cap: PPI
  • Surround Material: Foam
  • Basket Material: Aluminum
  • Basket Color: Finish Sandblasted Black
  • Magnet Material: Ferrite
  • Magnet Weight: 120 oz
  • Displacement Volume: 3.39L / 0.12ft3
• Black Diamond DIA-T15.4D TS PARAMETERS:
  • Equivalent Volume: Vas 58.9L / 2.08ft3
  • Excursion: Xmax 24mm
  • Free Air Resonance: 30 Hz
  • Mechanical Factor: Qms 4.218
  • Electrical Factor: Qes 0.908
  • Total Factor: Qts 0.747
  • Moving Mass: Mms 460g
  • Compliance: Cms 59.4 M/N
  • Bl Factor: BL 13.2
  • Voice Coil Inductance: Le 0.8 mH
  • Diaphragm Area: Sd 834.69 cm2
  • Dc Resistance: Re 3.6+3.68 ohm
  • Efficiency Bandwidth: Product EBP 33
• Black Diamond DIA-T15.4D MEASUREMENTS:
  • Overall Diameter: Total 15.47″ (393mm)
  • Overall Depth: Total 9.56″ (243mm)
  • Front Mount Baffle Cutout: 13.74″ (349mm)
  • Mounting Depth: / 8.13″ (206.6mm)
  • Motor Diameter: / 7.08″ (180mm)