Eminence SIGMAPRO-18A2 18in Speaker 650w 8 Ohm
Recommended for professional audio as a woofer in vented enclosures
SPECIFICATION | |
Nominal Basket Diameter | 18", 457 mm |
Nominal Impedance* | 8 Ω |
Power Rating* | |
Program Power | 1300 W |
Watts | 650 W |
Resonance | 28 Hz |
Usable Frequency Range | 41 Hz - 2.4 kHz |
Sensitivity* | 99 dB |
Magnet Weight | 120 oz. |
Gap Height | 0.375", 9.5 mm |
Voice Coil Diameter | 3", 76 mm |
THIELE & SMALL PARAMETERS | |
Resonant Frequency (fs) | 28 Hz |
DC Resistance (Re) | 6.29 Ω |
Coil Inductance (Le) | 1.9m H |
Mechanical Q (Qms) | 8.28 |
Electromagnetic Q (Qes) | 0.3 |
Total Q (Qts) | 0.29 |
Compliance Equivalent Volume (Vas) | 441.2 liters / 15.58 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 695 cc |
Mechanical Compliance of Suspension (Cms) | 0.24 mm/N |
BL Product (BL) | 22.1 T-M |
Diaphragm Mass Inc. Airload (MMs) | 130 grams |
Efficiency Bandwidth Product (EBP) | 93 |
Maximum Linear Excursion (Xmax) | 6.1 mm |
Surface Area of Cone (Sd) | 1140 cm2 |
Maximum Mechanical Limit (Xlim) | 18 mm |
MOUNTING INFORMATION | |
Recommended Enclosure Volume | |
Sealed | N/a |
Vented | 93-212 liters / 3.3-7.5 cu.ft. |
Driver Volume Displaced | 0.234 cu.ft. / 6.62 liters |
Overall Diameter | 18", 457.2 mm |
Baffle Hole Diameter | 16.56", 420.6 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 | 8.15", 207 mm |
Net Weight | 24.5 lbs, 11.11 kg |
Shipping Weight | 28.1 lbs, 12.75 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