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Eminence Delta 12LFC - 12" 500W 4 Ohm
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.
- 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
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