Eminence DELTA PRO 18A 18" 500 Watts
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- Eminence DELTA PRO 18A 18" 500 Watts
Eminence DELTA PRO 18A 18" 500 Watts
Eminence DELTA PRO 18A 18" 500 Watts
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* | 8 Ω |
Power Rating* | |
Program Power | 1000 W |
Watts | 500 W |
Resonance | 28 Hz |
Usable Frequency Range | 37 Hz - 0.2 kHz |
Sensitivity* | 96 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) | 28 Hz |
DC Resistance (Re) | 5.3 Ω |
Coil Inductance (Le) | 3.43m H |
Mechanical Q (Qms) | 10.38 |
Electromagnetic Q (Qes) | 0.33 |
Total Q (Qts) | 0.32 |
Compliance Equivalent Volume (Vas) | 493.2 liters / 17.42 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 796 cc |
Mechanical Compliance of Suspension (Cms) | 0.25 mm/N |
BL Product (BL) | 18.9 T-M |
Diaphragm Mass Inc. Airload (MMs) | 128 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 | 85-297 liters / 3-10.5 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