Item #: EMI BETA12A8 LIST

Eminence American Standard Beta 12A 12 Inch Speaker 250 Watts 8 Ohm

Shop Eminence American Standard Beta 12A 12 Inch Speaker 250 Watts 8 Ohm from AMS with 0% Interest Payment Plans and Free Shipping.
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Product Description

The Eminence Beta 12A Speaker features optimized frequency response and power handling for use as a replacement speaker for two and three way speakers systems, bass and keyboard combo amps, guitar combo amps, and stage monitors. 8 ohms, 500W Program.

Performance optimized for sound reinforcement systems. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems and stage monitors.

Materials of Construction
  • Kapton coil former
  • Ferrite magnet
  • Pressed steel basket
  • Polyamide-imide coated copper voice coil
  • Paper cone/cloth cone edge
  • Solid composition paper dust cap
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Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years

Product Specifications

Specifications

  • Nominal Basket Diameter: 12 inches, 304.8mm
  • Impedance: 8 Ohms
  • Power Rating:
    • Music Program: 500 W
    • Watts: 250 W
  • Resonance: 50Hz
  • Usable Frequency Range: 43Hz - 3.8kHz
  • Average Sensitivity 1W @ 1m: 100 dB
  • Magnet Weight: 34oz.
  • Gap Height: 0.312 inches, 7.94mm
  • Voice Coil Diameter: 2 inches, 50.8mm

Mounting Information

  • Overall Diameter: 12.02 inches, 305.2mm
  • Baffle Hole Diameter: 10.97 inches, 278.6mm
  • Front Sealing Gasket: fitted as standard
  • Rear Sealing Gasket: fitted as standard
  • Mounting Holes Diameter: 0.25 inches, 6.4mm
  • Mounting Hole B.C.D.: 11.63 inches, 295.3mm
  • Depth: 4.47 inches, 113.5mm
  • Shipping Weight: 9.2 lbs., 4.2 kg

Thiele-Small Parameters

  • Resonant Frequency: 50Hz
  • Impedance (RE): 7.07 ohm
  • Coil Inductance (Le): 0.84mH
  • Electromagnetic Q (Qes): 0.57
  • Mechanical Q (Qms): 5.82
  • Total Q (Qts): 0.52
  • Compliance Equivalent Volume (Vas): 114.7 liters, 4.05 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 42cc
  • Mechanical Compliance of suspension (Cms): 0.29mm/N
  • BL Product (BL): 11.6 T-M
  • Diaphragm Mass inc. Airload (Mms): 35 grams
  • Equiv. Resistance of mechanical suspension loss (Rms): 1.88N*sec/M
  • Efficiency Bandwidth Product (EBP): 88
  • Voice Coil Overhang (Xmax): 0.8mm
  • Surface Area of Cone (Sd): 532.4cm2
  • Impedance at Resonance (Zmax): 79 ohm


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