Eminence Delta 12LFC - 4 Ohmi

Eminence Delta 12LF - 12" 500w 4 Ohms

Application Notes: Recommended for professional audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures. LF Models are designed with extended Xmax to deliver more bass than standard models and provide a "true woofer" for three way applications. 

Specifications:
 

• Nominal Basket Diameter 12", 304.8mm
• Nominal Impedance* 4 ohms
• Power Rating: Watts AES 500W, Music Program 1000W
• Resonance 52Hz
• Usable Frequency Range 45Hz - 2.3kHz
• Sensitivity*** 93.1dB
• Magnet Weight 56 oz.
• Gap Height 0.37", 9.53mm
• Voice Coil Diameter 2.5", 63.5mm

Thiele & Small Parameters: 
 

• Resonant Frequency (fs) 52Hz
• DC Resistance (Re) 3.2
• Coil Inductance (Le) 0.94mH
• Mechanical Q (Qms) 8.21
• Electromagnetic Q (Qes) 0.47
• Total Q (Qts) 0.44
• Compliance Equivalent Volume (Vas) 63.7 liters / 2.3 cu.ft.
• Peak Diaphragm Displacement Volume (Vd) 249cc
• Mechanical Compliance of Suspension (Cms) 0.17mm/N
• BL Product (BL) 10.9 T-M
• Diaphragm Mass Inc. Airload (MMs) 53 grams
• Efficiency Bandwidth Product (EBP) 111.4
• Maximum Linear Excursion (Xmax) 4.8mm
• Surface Area of Cone (Sd) 519.5 cm2
• Maximum Mechanical Limit (Xlim) 13.5mm

Mounting Information:
 

• Recommended Enclosure Volume: Sealed 21-74 liters / 0.7-2.6 cu.ft., Vented 28-110 liters / 1-3.9 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", 294.4mm
• Depth 5.88", 149.35mm
• Net Weight 11.8 lbs, 5.4 kg
• Shipping Weight 14 lbs, 6.4 kgs

Materials of Construction:
 

• Coil Construction Copper voice coil
• Coil Former Kapton former
• Magnet Composition Ferrite magnet
• Core Details Vented and extended core
• Basket Materials Pressed steel basket
• Cone Composition Treated Paper Cone
• Cone Edge Composition Cloth cone edge
• Dust Cap Composition Solid composition paper dust cap