Eminence Beta-10A - 8 ohm 10" 250W Pro Audio Woofer

SKU: 545-010

Canadian Dollar Price:
Sale price$138.99
In stock (9 units)


Recommended for professional audio, bass guitar, mid-bass or floor monitor applications in sealed enclosures. Also works well as a mid-bass or woofer in vented enclosures.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
Nominal Basket Diameter 10", 254 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 500 W
Watts 250 W
Resonance 53 Hz
Usable Frequency Range 51 Hz - 3.8 kHz
Sensitivity* 97 dB
Magnet Weight 34 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs) 53 Hz
DC Resistance (Re) 5.75 Ω
Coil Inductance (Le) 0.67m H
Mechanical Q (Qms) 8.14
Electromagnetic Q (Qes) 0.52
Total Q (Qts) 0.49
Compliance Equivalent Volume (Vas) 60.1 liters / 2.12 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 103.5 cc
Mechanical Compliance of Suspension (Cms) 0.36 mm/N
BL Product (BL) 9.6 T-M
Diaphragm Mass Inc. Airload (MMs) 25 grams
Efficiency Bandwidth Product (EBP) 102
Maximum Linear Excursion (Xmax) 3 mm
Surface Area of Cone (Sd) 344.9 cm2
Maximum Mechanical Limit (Xlim) 8.6 mm
Mounting Information
Recommended Enclosure Volume
Sealed 8.5-14.2 liters / 0.3-0.5 cu.ft.
Vented 19.8-70.8 liters / 0.7-2.5 cu.ft.
Driver Volume Displaced 0.04 cu.ft. / 1.13 liters
Overall Diameter 10.11", 256.8 mm
Baffle Hole Diameter 9.13", 231.9 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.23", 5.8mm
Mounting Holes B.C.D. 9.6", 243.8mm
Depth 3.98", 101.1 mm
Net Weight 6.8 lbs, 3.08 kg
Shipping Weight 7.8 lbs, 3.54 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

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