Eminence Delta-15LFA Speaker Specifications

• Nominal Basket Diameter: 15 inches, 381mm
• Impedance: 8 ohms
• Power Rating:
  • Music Program: 1000 Watts
  • Watts: 500 Watts
• Resonance: 41Hz
• Usable Frequency Range: 42Hz – 3.2kHz
• Magnet Weight: 56oz.
• Gap Height: 0.375 inch, 9.52mm
• Voice Coil Diameter: 2.5 inches, 63.5mm

Mounting Information

• Recommended Enclosure Volume (vented): 92 – 150 liters; 3.25 – 5.3 cu. ft
• Overall Diameter: 15.15 inches, 384.8mm
• Baffle Hole Diameter: 13.77 inches, 349.6mm
• Front Sealing Gasket: fitted as standard
• Rear Sealing Gasket: fitted as standard
• Mounting Holes Diameter: 0.25 inch, 6.4mm
• Mounting Holes B.C.D.: 14.56 inches, 369.9mm
• Depth: 6.05 inches, 153.6mm

Thiele-Small Parameters

• Resonant Frequency (fs): 41Hz
• Impedance (Re): 6.30 ohms
• Coil Inductance (Le): 1.49mH
• Electromagnetic Q (Qes): 0.64
• Mechanical Q (Qms): 6.65
• Total Q (Qts): 0.58
• Compliance Equivalent Volume (Vas): 186.1 liters; 6.57 cu. ft.
• Peak Diaphragm Displacement Volume (Vd): 408cc
• Mechanical Compliance of Suspension (Cms): 0.18mm/N
• BL Product (BL): 14.5 T-M
• Diaphragm Mass inc. Airload (Mms): 82 grams
• Equivalent Resistance of Mechanical Suspension Loss (Rms): 3.19N*sec/M
• Efficiency Bandwidth Product (EBP): 65
• Voice Coil Overhang (Xmax): 4.8mm
• Surface Area of Cone (Sd): 856.3cm2
• Impedance at Resonance (Zmax): 72 ohms
• Maximum Mechanical Limit (Xmech): 33.02mm