Eminence American Standard Beta 12A - 12" Replacement Speaker

Order your Eminence American Standard Beta 12A - 12" Replacement Speaker and enjoy 0% Interest Payment Plans, Free Shipping, Free Extended Warranty and 45 Day Money Back Guarantee.

See all items from Eminence
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

Product 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

Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years
HHansen from R.I.
Overall Rating
All around performer
Your general opinion of this product.
With 250 watts per speaker your covered for most any amp when used in tandum.
Currently there are no discussions available for this item.
Please select a Model