Eminence DELTA PRO 12-450A 12" 375 Watts
The Delta Pro 12-450 is a lighter weight version of the Delta Pro 12. Recommended as a woofer or mid/bass in vented enclosures. Also makes a perfect replacement in many portable PA cabinets.
SPECIFICATION | |
Nominal Basket Diameter | 12", 305 mm |
Nominal Impedance* | 8 Ω |
Power Rating* | |
Program Power | 750 W |
Watts | 375 W |
Resonance | 44 Hz |
Usable Frequency Range | 44 Hz - 4 kHz |
Sensitivity* | 99.8 dB |
Magnet Weight | 56 oz. |
Gap Height | 0.3125", 7.9 mm |
Voice Coil Diameter | 2.5", 64 mm |
THIELE & SMALL PARAMETERS | |
Resonant Frequency (fs) | 44 Hz |
DC Resistance (Re) | 5.04 Ω |
Coil Inductance (Le) | 0.54m H |
Mechanical Q (Qms) | 7.59 |
Electromagnetic Q (Qes) | 0.39 |
Total Q (Qts) | 0.37 |
Compliance Equivalent Volume (Vas) | 141.66 liters / 5 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 271.5 cc |
Mechanical Compliance of Suspension (Cms) | 0.36 mm/N |
BL Product (BL) | 11.47 T-M |
Diaphragm Mass Inc. Airload (MMs) | 36 grams |
Efficiency Bandwidth Product (EBP) | 115 |
Maximum Linear Excursion (Xmax) | 5.1 mm |
Surface Area of Cone (Sd) | 532.4 cm2 |
Maximum Mechanical Limit (Xlim) | 13.7 mm |
MOUNTING INFORMATION | |
Recommended Enclosure Volume | |
Sealed | N/a |
Vented | 36.81-93.45 liters / 1.3-3.5 cu.ft. |
Driver Volume Displaced | 0.079 cu.ft. / 2.25 liters |
Overall Diameter | 12.38", 314.5 mm |
Baffle Hole Diameter | 11.07", 281.2 mm |
Front Sealing Gasket | Yes |
Rear Sealing Gasket | Yes |
Mounting Holes Diameter | 0.27", 6.9mm |
Mounting Holes B.C.D. | 11.57", 293.9mm |
Depth | 5.5", 139.7 mm |
Net Weight | 11.7 lbs, 5.31 kg |
Shipping Weight | 14 lbs, 6.35 kgs |
MATERIALS OF CONSTRUCTION | |
Coil Construction | Aluminium 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 | 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