Description
12" Low Frequency Driver, 4 Ohm, 500 Watt
Eminence's Delta-12LFC 12" speaker is optimized for high power bass in sound reinforcement systems, bass guitar combos, club music systems, and stage monitors. Eminence LF models are specifically designed with extended Xmax to deliver more bass than standard models and provide "a true woofer" for three-way applications. Vented extended pole piece, 4 ohm nominal impedance.
Features:
- Kapton coil former
- Polyamide-imide coated aluminum voice coil
- Ferrite magnet
- Vented and extended pole piece
- Pressed steel basket
- Paper cone
- Cloth accordian surround
Specifications:
- SPECIFICATION
- Nominal Basket Diameter: 12", 304.8mm
- Nominal Impedance*: 4 ohms
- Power Rating**
- Watts: 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): 243cc
- 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): 506.7 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: 11.07", 281.2mm
- 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: 5.35", 136mm
- 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