Description
Eminence Delta 15LF-4 15” American Standard Series Speaker
Low frequency woofer for pro audio as a mid-bass or floor monitor in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures.
| SPECIFICATION | |
| Nominal Basket Diameter | 15″, 381 mm |
| Nominal Impedance* | 4 Ω |
| Power Rating* | |
| Program Power | 1200 W |
| Watts | 600 W |
| Resonance | 40 Hz |
| Usable Frequency Range | 40 Hz – 2.2 kHz |
| Sensitivity* | 95 dB |
| Magnet Weight | 56 oz. |
| Gap Height | 0.375″, 9.5 mm |
| Voice Coil Diameter | 2.5″, 64 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 40 Hz |
| DC Resistance (Re) | 3.37 Ω |
| Coil Inductance (Le) | 0.76m H |
| Mechanical Q (Qms) | 6.22 |
| Electromagnetic Q (Qes) | 0.53 |
| Total Q (Qts) | 0.49 |
| Compliance Equivalent Volume (Vas) | 253.93 liters / 8.97 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 521.2 cc |
| Mechanical Compliance of Suspension (Cms) | 0.24 mm/N |
| BL Product (BL) | 10.32 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 66 grams |
| Efficiency Bandwidth Product (EBP) | 76 |
| Maximum Linear Excursion (Xmax) | 5.97 mm |
| Surface Area of Cone (Sd) | 873 cm2 |
| Maximum Mechanical Limit (Xlim) | 16.5 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | 52.95-97.69 liters / 1.87-3.45 cu.ft. |
| Vented | 75.04-154.33 liters / 2.65-5.45 cu.ft. |
| Driver Volume Displaced | 0.128 cu.ft. / 3.62 liters |
| Overall Diameter | 15.15″, 384.8 mm |
| Baffle Hole Diameter | 13.87″, 352.3 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.25″, 6.4mm |
| Mounting Holes B.C.D. | 14.56″, 369.8mm |
| Depth | 6.3″, 160 mm |
| Net Weight | 12.8 lbs, 5.81 kg |
| Shipping Weight | 14.8 lbs, 6.71 kgs |
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Copper voice coil |
| Coil Former | Polyimide former |
| Magnet Composition | Ferrite magnet |
| Core Details | Vented and extended core |
| Basket Materials | Pressed steel basket |
| Cone Composition | Paper cone |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Solid composition paper dust cap |
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