Eminence LEGEND BP122: 12″ Bass Guitar Speaker
A 12 inch bass guitar driver that delivers warm, rich tone and deep bass. A big brother to the popular 10 inch Legend BP102, this 500 watt driver is at home in small sealed enclosures, and also works well in pro audio and home hi-fi applications.
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| SPECIFICATION | |
| Nominal Basket Diameter | 12″, 305 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 500 W |
| Watts | 250 W |
| Resonance | 35 Hz |
| Usable Frequency Range | 35 Hz – 2.3 kHz |
| Sensitivity* | 94.1 dB |
| Magnet Weight | 38 oz. |
| Gap Height | 0.3125″, 7.9 mm |
| Voice Coil Diameter | 2″, 51 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 35 Hz |
| DC Resistance (Re) | 5.66 Ω |
| Coil Inductance (Le) | 0.84m H |
| Mechanical Q (Qms) | 9.26 |
| Electromagnetic Q (Qes) | 0.57 |
| Total Q (Qts) | 0.54 |
| Compliance Equivalent Volume (Vas) | 157.4 liters / 5.56 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 330.1 cc |
| Mechanical Compliance of Suspension (Cms) | 0.4 mm/N |
| BL Product (BL) | 10.55 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 50 grams |
| Efficiency Bandwidth Product (EBP) | 62 |
| Maximum Linear Excursion (Xmax) | 6.2 mm |
| Surface Area of Cone (Sd) | 532.4 cm2 |
| Maximum Mechanical Limit (Xlim) | 12.4 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | Acceptable |
| Vented | Acceptable |
| Driver Volume Displaced | 0.071 cu.ft. / 2 liters |
| Overall Diameter | 12.26″, 311.4 mm |
| Baffle Hole Diameter | 11.08″, 281.4 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.25″, 6.4mm |
| Mounting Holes B.C.D. | 11.71″, 297.4mm |
| Depth | 5.33″, 135.3 mm |
| Net Weight | 9 lbs, 4.08 kg |
| Shipping Weight | 11 lbs, 4.99 kgs |
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Copper voice Coil |
| Coil Former | Polyimide former |
| Magnet Composition | Ferrite magnet |
| Core Details | Non-vented core |
| Basket Materials | Pressed Steel basket |
| Cone Composition | Paper cone |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Solid composition felt dust cap |
