Component Speaker Eminence Delta 15A
Recommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a mid-bass or woofer in vented enclosures.
| Specification | |
| Nominal Basket Diameter | 15″, 381mm |
| Nominal Impedance* | 8 ohms |
| Power Rating** | |
| Watts | 400W |
| Music Program | 800W |
| Resonance | 40Hz |
| Usable Frequency Range | 48Hz – 4kHz |
| Sensitivity*** | 100dB |
| Magnet Weight | 56 oz. |
| Gap Height | 0.37″, 9.53mm |
| Voice Coil Diameter | 2.5″, 63.5mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 40Hz |
| DC Resistance (Re) | 6.3 |
| Coil Inductance (Le) | 0.64mH |
| Mechanical Q (Qms) | 8.05 |
| Electromagnetic Q (Qes) | 0.57 |
| Total Q (Qts) | 0.53 |
| Compliance Equivalent Volume (Vas) | 270.7 liters / 9.56 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 233cc |
| Mechanical Compliance of Suspension (Cms) | 0.26mm/N |
| BL Product (BL) | 13.2 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 62 grams |
| Efficiency Bandwidth Product (EBP) | 70 |
| Maximum Linear Excursion (Xmax) | 2.7mm |
| Surface Area of Cone (Sd) | 864.6 cm2 |
| Maximum Mechanical Limit (Xlim) | 11.1mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 37-42.5 liters / 1.3-1.5 cu.ft. |
| Vented | 82-161.4 liters / 2.9-5.7 cu.ft. |
| Driver Volume Displaced | 220.8 cu.in. / 3.62 liters |
| Overall Diameter | 15.15″, 384.8mm |
| Baffle Hole Diameter | 13.87″, 352.3mm |
| Front Sealing Gasket | Fitted as standard |
| Rear Sealing Gasket | Fitted as standard |
| Mounting Holes Diameter | 0.25″, 6.4mm |
| Mounting Holes B.C.D. | 14.56″, 369.9mm |
| Depth | 6.05″, 154mm |
| Net Weight | 12.3 lbs, 5.6 kg |
| Shipping Weight | 14.4 lbs, 6.5 kgs |
| Materials of Construction | |
| Coil Construction | Aluminum 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 paper dust cap |
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