Eminence BETA-8A Midrange 8″ Speaker
Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable as a mid-bass speaker in sealed enclosures.
Applications:
Woofer | Midbass | Midrange | Pro Audio | Car Audio | Home Stereo | Home Theater
Box Type: Sealed | Vented | Horn Loading
Description
| SPECIFICATION | |
| Nominal Basket Diameter | 8″, 203 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 450 W |
| Watts | 225 W |
| Resonance | 65 Hz |
| Usable Frequency Range | 78 Hz – 4.5 kHz |
| Sensitivity* | 95.1 dB |
| Magnet Weight | 34 oz. |
| Gap Height | 0.312″, 7.9 mm |
| Voice Coil Diameter | 2″, 51 mm |
| THIELE & SMALL PARAMETERS | |
| Resonant Frequency (fs) | 65 Hz |
| DC Resistance (Re) | 5.99 Ω |
| Coil Inductance (Le) | 0.49m H |
| Mechanical Q (Qms) | 4.95 |
| Electromagnetic Q (Qes) | 0.42 |
| Total Q (Qts) | 0.38 |
| Compliance Equivalent Volume (Vas) | 23.3 liters / 0.82 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 63 cc |
| Mechanical Compliance of Suspension (Cms) | 0.37 mm/N |
| BL Product (BL) | 9.6 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 16 grams |
| Efficiency Bandwidth Product (EBP) | 156 |
| Maximum Linear Excursion (Xmax) | 3 mm |
| Surface Area of Cone (Sd) | 210 cm2 |
| Maximum Mechanical Limit (Xlim) | 7.4 mm |
| MOUNTING INFORMATION | |
| Recommended Enclosure Volume | |
| Sealed | 5.7-9.9 liters / 0.2-0.35 cu.ft. |
| Vented | 8.5-19 liters / 0.3-0.67 cu.ft. |
| Driver Volume Displaced | 0.027 cu.ft. / 0.76 liters |
| Overall Diameter | 8.24″, 209.3 mm |
| Baffle Hole Diameter | 7.13″, 181.1 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.22″, 5.6mm |
| Mounting Holes B.C.D. | 7.75″, 196.9mm |
| Depth | 3.5″, 88.9 mm |
| Net Weight | 6.6 lbs, 2.99 kg |
| Shipping Weight | 7.4 lbs, 3.36 kgs |
| MATERIALS OF CONSTRUCTION | |
| Coil Construction | Aluminum voice coil |
| Coil Former | Polyimide former |
| Magnet Composition | Ferrite magnet |
| Core Details | Vented core |
| Basket Materials | Pressed steel basket |
| Cone Composition | Paper cone |
| Cone Edge Composition | Cloth cone edge |
| Dust Cap Composition | Solid composition paper dust cap |
Reviews (0)
About Delivery
Once we have received your order, you will be contacted by one of our representatives to discuss more about shipping and delivery methods appropriate to your destination.
Reviews
There are no reviews yet.