Description
We also sell to Dealers
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DELTA PRO-12A Call 801-771-1820 if any questions. We have MANY of these - just get in touch - we are 20 years EMINENCE DISTRIBUTOR!!!
We also sell to Dealers!!!
ALLLLLL OTHER MODELS AVAILABLE!!!
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| SPECIFICATION | |||||
| Nominal Basket Diameter | 12", 304.8mm | ||||
| Nominal Impedance* | 8 ohms | ||||
| Power Rating | |||||
 Watts |
400W | ||||
| Music Program |
800W | ||||
| Resonance | 51Hz | ||||
| Usable Frequency Range | 52Hz-4.5kHz | ||||
| Sensitivity*** | 99.2 | ||||
| Magnet Weight | 80 oz. | ||||
| Gap Height | 0.375", 9.53mm | ||||
| Voice Coil Diameter | 2.5", 63.5mm | ||||
| THIELE & SMALL PARAMETERS | |||||
| Resonant Frequency (fs) | 51Hz |
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| DC Resistance (Re) | 5.71 | ||||
| Coil Inductance (Le) | 0.84mH | ||||
| Mechanical Q (Qms) | 7.56 | ||||
| Electromagnetic Q (Qes) | 0.37 | ||||
| Total Q (Qts) | 0.35 | ||||
| Compliance Equivalent Volume (Vas) | 81.7 liters / 2.9 cu.ft. | ||||
| Peak Diaphragm Displacement Volume (Vd) | 242cc | ||||
| Mechanical Compliance of Suspension (Cms) | 0.21mm/N | ||||
| BL Product (BL) | 15.3 T-M | ||||
| Diaphram Mass inc. Airload (Mms) | 48 grams | ||||
| Efficiency Bandwidth Product (EBP) | 138 | ||||
| Maximum Linear Excursion (Xmax) | 4.6mm | ||||
| Surface Area of Cone (Sd) | 532.4 cm2 | ||||
| Maximum Mechanical Limit (Xlim) | 13.7mm | ||||
| MOUNTING INFORMATION | |||||
| Recommended Enclosure | |||||
| Sealed |
28-35 liters/1-1.25 cu.ft. | ||||
| Vented |
31-91 liters/1.1-3.2 cu.ft. | ||||
| Overall Diameter | 12.38", 314.5mm | ||||
| Baffle Hole Diameter | 11.07", 281mm | ||||
| Front Sealing Gasket | Fitted as standard | ||||
| Rear Sealing Gasket | Fitted as standard | ||||
| Mounting Holes Diameter | 0.27", 6.9mm | ||||
| Mounting Holes B.C. D. | 11.57", 293.8mm | ||||
| Depth | 6.22", 158mm | ||||
| Net Weight | 16.3 lbs., 7.4 kg | ||||
| Shipping Weight | 18 lbs., 8.2 kg | ||||
| MATERIALS OF CONSTRUCTION | |||||
| Coil Construction | Aluminum 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 | ||||
| Dustcap Composition | Solid composition paper dust cap |
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