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Eminence Beta-12A-2 - 8 ohm 12" 250W Pro Audio Woofer

Eminence Beta-12A-2 - 8 ohm 12" 250W Pro Audio Woofer
SKU
555-017
Ship weight
4.41 kg
Priced per:
each
UPC:
876358000111
Diameter:
12"
Impedance:
8 ohm
Specifications Sheet:
Cabinet Design:
Condition
new
Brand
Eminence
Your price:
CDN $107.97
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Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure.

Speaker Detail
Specification
Nominal Basket Diameter12", 305 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power500 W
Watts250 W
Resonance47 Hz
Usable Frequency Range43 Hz - 3.8 kHz
Sensitivity*98 dB
Magnet Weight38 oz.
Gap Height0.31", 7.9 mm
Voice Coil Diameter2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs)47 Hz
DC Resistance (Re)5 Ω
Coil Inductance (Le)0.64m H
Mechanical Q (Qms)6
Electromagnetic Q (Qes)0.5
Total Q (Qts)0.46
Compliance Equivalent Volume (Vas)120.1 liters / 4.24 cu.ft.
Peak Diaphragm Displacement Volume (Vd)237 cc
Mechanical Compliance of Suspension (Cms)0.29 mm/N
BL Product (BL)10.8 T-M
Diaphragm Mass Inc. Airload (MMs)40 grams
Efficiency Bandwidth Product (EBP)94
Maximum Linear Excursion (Xmax)4.4 mm
Surface Area of Cone (Sd)538.9 cm2
Maximum Mechanical Limit (Xlim)11 mm
Mounting Information
Recommended Enclosure Volume
Sealed 25.5-35.4 liters / 0.9-1.25 cu.ft.
Vented 36.8-139 liters / 1.3-4.9 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
Depth4.57", 116.1 mm
Net Weight7.5 lbs, 3.4 kg
Shipping Weight9.7 lbs, 4.4 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented and extended core
  
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
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