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| [Eminence Beta8] |
| Eminence Beta 8 A |
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| BETA Serie 225W- 350W
Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable
as a mid-bass speaker in sealed enclosures.
SPECIFICATION
* Nominal Basket Diameter 8", 203.2 mm
* Nominal Impedance 8 ohms
* Power Rating Watts 225 W / Music Program 450 W
* Resonance 65 Hz
* Usable Frequency Range 78 Hz - 4.5 kHz
* Sensitivity 95.1
* Magnet Weight 34 oz.
* Gap Height 0.312", 7.92 mm
* Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters
* Resonant Frequency (fs) 65 Hz
* DC Resistance (Re) 5.99
* Coil Inductance (Le) 0.49 mH
* 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) 3.0 mm
* Surface Area of Cone (Sd) 210.0 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.
* Overall Diameter 8.24", 209.2 mm
* Baffle Hole Diameter 7.13", 181 mm
* Front Sealing Gasket fitted as standard
* Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.22", 5.5 mm
* Mounting Holes B.C.D. 7.75", 196.9 mm
* Depth 3.5", 89 mm
MATERIALS of Construction
* Aluminum voice coil
* Polyimide former
* Ferrite magnet
* Vented core
* Pressed steel basket
* Paper Cone
* Cloth cone edge
* Solid composition pape dust cap |
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Drivers
