Eminence Delta 12 A

Eminence Delta 12A - 12" 400W 8 Ohm

Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.

Specifications:
 

• Nominal Basket Diameter 12", 304.8mm
• Nominal Impedance 8 ohms
• Power Rating: Watts 400W, Music Program 800W
• Resonance 55Hz
• Usable Frequency Range 54Hz - 5kHz
• Sensitivity 98.3dB
• Magnet Weight 56 oz.
• Gap Height 0.37", 9.53mm
• Voice Coil Diameter 2.5", 63.5mm

• Resonant Frequency (fs) 55Hz
• DC Resistance (Re) 6.3
• Coil Inductance (Le) 0.74mH
• Mechanical Q (Qms) 5.27
• Electromagnetic Q (Qes) 0.46
• Total Q (Qts) 0.43
• Compliance Equivalent Volume (Vas) 81.3 liters / 2.9 cu.ft.
• Peak Diaphragm Displacement Volume (Vd) 125cc
• Mechanical Compliance of Suspension (Cms) 0.21mm/N
• BL Product (BL) 13.5 T-M
• Diaphragm Mass Inc. Airload (MMs) 39 grams
• Efficiency Bandwidth Product (EBP) 120
• Maximum Linear Excursion (Xmax) 2.4mm
• Surface Area of Cone (Sd) 519.5 cm2
• Maximum Mechanical Limit (Xlim) 9.9mm

• Recommended Enclosure Volume: Vented 25.5-85 liters / 0.9-3 cu.ft.
• Driver Volume Displaced 137.3 cu.in. / 2.25 liters
• Overall Diameter 12.03", 305.5mm
• Baffle Hole Diameter 10.95", 278.1mm
• Front Sealing Gasket Fitted as standard
• Rear Sealing Gasket Fitted as standard
• Mounting Holes Diameter 0.25", 6.4mm
• Mounting Holes B.C.D. 11.59", 294.3mm
• Depth 5.35", 136mm
• Net Weight 11.4 lbs, 5.2 kg
• Shipping Weight 13.5 lbs, 6.1 kgs

• Construction Aluminium voice coil
• Coil Former Polyimide former
• Magnet Composition Ferrite magnet
• Core Details Vented core
• Basket Materials Pressed steel basket
• Cone Composition Paper Cone
• Cone Edge Composition Cloth cone edge
• Dust Cap Composition Solid composition felt dust cap