Eminence Beta 6A 8 Ohm 175W Professional Midrange Woofer Speaker for PA Systems, Studio Monitors, and Live Sound Reinforcement
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Description
High power 6.5" mid/bass driver for use in concert sound systems or in high power auto sound as a mid/bass or a mid-range driver. Works well in tiny sealed enclosures, and in infinite baffles.
| Specification | |
| Nominal Basket Diameter | 6", 165 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 350 W |
| Watts | 175 W |
| Resonance | 123 Hz |
| Usable Frequency Range | 95 Hz - 4 kHz |
| Sensitivity* | 94 dB |
| Magnet Weight | 30 oz. |
| Gap Height | 0.25", 6.4 mm |
| Voice Coil Diameter | 2", 51 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 123 Hz |
| DC Resistance (Re) | 5.18 Ω |
| Coil Inductance (Le) | 0.43m H |
| Mechanical Q (Qms) | 3.46 |
| Electromagnetic Q (Qes) | 0.66 |
| Total Q (Qts) | 0.56 |
| Compliance Equivalent Volume (Vas) | 3.51 liters / 0.12 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 61.1 cc |
| Mechanical Compliance of Suspension (Cms) | 0.15 mm/N |
| BL Product (BL) | 8.13 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 11 grams |
| Efficiency Bandwidth Product (EBP) | 185 |
| Maximum Linear Excursion (Xmax) | 4.5 mm |
| Surface Area of Cone (Sd) | 129.9 cm2 |
| Maximum Mechanical Limit (Xlim) | 5.7 mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | 2.38-9999.99 liters / 0.08-9999.99 cu.ft. |
| Vented | 5.1-14.16 liters / 0.18-0.5 cu.ft. |
| Driver Volume Displaced | 0.021 cu.ft. / 0.6 liters |
| Overall Diameter | 6.59", 167.4 mm |
| Baffle Hole Diameter | 5.65", 143.5 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.23", 5.8mm |
| Mounting Holes B.C.D. | 6.06", 153.9mm |
| Depth | 2.66", 67.6 mm |
| Net Weight | 5.6 lbs, 2.54 kg |
| Shipping Weight | 6.3 lbs, 2.86 kgs |
| Materials of Construction | |
| Coil Construction | Aluminum voice coil |
| Coil Former | Polyimide former |
| Magnet Composition | Ferrite magnet |
| Core Details | Vented and extended core |
| Basket Materials | Pressed steel basket |
| Cone Composition | Water resistant paper cone |
| Cone Edge Composition | Treated cloth cone edge |
| Dust Cap Composition | Water resistant treated paper dust cap |
