Eminence Beta-6A - 8 ohm 6" 175W Pro Audio Midrange Woofer

SKU: 590-008

Canadian Dollar Price:
Sale price$125.99
In stock (5 units)


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.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
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

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