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Eminence Beta-12LTA - 8 ohm 12" 225W Pro Audio Woofer

Eminence Beta-12LTA - 8 ohm 12" 225W Pro Audio Woofer
Ship weight
4.64 kg
Priced per:
8 ohm
Specifications Sheet:
Cabinet Design:
Your price:
CDN $114.97
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Recommended for professional audio as a woofer in small sealed monitor, or as a PA woofer or monitor. in a vented enclosure.

Speaker Detail
Nominal Basket Diameter12", 305 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power450 W
Watts225 W
Resonance45 Hz
Usable Frequency Range48 Hz - 8 kHz
Sensitivity*97.7 dB
Magnet Weight38 oz.
Gap Height0.31", 7.9 mm
Voice Coil Diameter2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs)45 Hz
DC Resistance (Re)7.37 Ω
Coil Inductance (Le)0.83m H
Mechanical Q (Qms)6.44
Electromagnetic Q (Qes)0.55
Total Q (Qts)0.51
Compliance Equivalent Volume (Vas)136.3 liters / 4.81 cu.ft.
Peak Diaphragm Displacement Volume (Vd)170 cc
Mechanical Compliance of Suspension (Cms)0.34 mm/N
BL Product (BL)11.7 T-M
Diaphragm Mass Inc. Airload (MMs)36 grams
Efficiency Bandwidth Product (EBP)82
Maximum Linear Excursion (Xmax)3.2 mm
Surface Area of Cone (Sd)532.4 cm2
Maximum Mechanical Limit (Xlim)8 mm
Mounting Information
Recommended Enclosure Volume
Sealed 14-51 liters / 0.5-1.8 cu.ft.
Vented 56.6-116 liters / 2-4.1 cu.ft.
Driver Volume Displaced0.071 cu.ft. / 2 liters
Overall Diameter12.03", 305.6 mm
Baffle Hole Diameter11.07", 281.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.25", 6.4mm
Mounting Holes B.C.D.11.59", 294.4mm
Depth4.47", 113.5 mm
Net Weight8.1 lbs, 3.67 kg
Shipping Weight10.2 lbs, 4.63 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented core
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
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