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Eminence American Standard Beta 12A - 12" Replacement Speaker

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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

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


Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years
HHansen from R.I.
Overall Rating
Quality
Features
Ease of Use
Sound
General
Subject
All around performer
Quality
Would you consider this product to be made well? How dependable?
Industry standard for this price range, well made.
Features
What do you consider to be the best features of this product? What features would you add to this product if you could?
At home in a bass rig, PA or guitar cabinet.
Ease of Use
How easy is this product to use? How easy is the product to use with other products? Did it take long for you to learn to use this product? Was the manual helpful? How playable do you consider this product to be?
N/A
Sound
How is the tone?
Deep bass with very good highs. I use 2 in a '68 Bassman cabinet and play bass and guitar as required.
General
Your general opinion of this product.
With 250 watts per speaker your covered for most any amp when used in tandum.
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