Eminence DELTA PRO-18C 18" 500 Watts
DELTA PRO-18C
Long throw subwoofer for very small vented boxes. Over-sized top plate and large pole vent help keep the coil cool.
| SPECIFICATION | |
| Nominal Basket Diameter | 18", 457 mm |
| Nominal Impedance* | 4 Ω |
| Power Rating* | |
| Program Power | 1000 W |
| Watts | 500 W |
| Resonance | 27 Hz |
| Usable Frequency Range | 35 Hz - 0.2 kHz |
| Sensitivity* | 94.4 dB |
| Magnet Weight | 67 oz. |
| Gap Height | 0.38", 9.7 mm |
| Voice Coil Diameter | 2.5", 64 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 27 Hz |
| DC Resistance (Re) | 3.8 Ω |
| Coil Inductance (Le) | 2.65m H |
| Mechanical Q (Qms) | 13.24 |
| Electromagnetic Q (Qes) | 0.32 |
| Total Q (Qts) | 0.32 |
| Compliance Equivalent Volume (Vas) | 488.8 liters / 17.26 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 796 cc |
| Mechanical Compliance of Suspension (Cms) | 0.25 mm/N |
| BL Product (BL) | 16.5 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 137 grams |
| Efficiency Bandwidth Product (EBP) | 84 |
| Maximum Linear Excursion (Xmax) | 6.7 mm |
| Surface Area of Cone (Sd) | 1188 cm2 |
| Maximum Mechanical Limit (Xlim) | 15 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | N/a |
| Vented | 85-283 liters / 3-10 cu.ft. |
| Driver Volume Displaced | 0.212 cu.ft. / 6.01 liters |
| Overall Diameter | 18", 457.2 mm |
| Baffle Hole Diameter | 16.57", 420.9 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.28", 7.1mm |
| Mounting Holes B.C.D. | 17.25", 438.2mm |
| Depth | 8.13", 206.5 mm |
| Net Weight | 17 lbs, 7.71 kg |
| Shipping Weight | 20.5 lbs, 9.3 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 | Die-cast aluminum basket |
| Cone Composition | Paper cone |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Solid composition paper dust cap |

Do you have any question?
info@thespeakerfactory.com.au

+61 457 205 573
Mon - Fri: 9:00am - 4:00pm

- +61 457 205 573
- info@thespeakerfactory.com.au

