• Eminence American Standard Beta 15A - 15" Replacement Speaker


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Eminence
Eminence

The Eminence Beta 15A 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 and 300 watts, 600 watts music program rating.

Materials of Construction
  • Ferrite magnet
  • Pressed steel basket
  • Polyamide-imide coated copper voice coil
  • Paper cone/cloth cone edge
  • Solid composition paper dust cap

Specifications

  • Nominal Basket Diameter: 15 inches, 318mm
  • Impedance: 8 ohms
  • Power Rating:
    • Music Program: 600 Watts
    • Watts: 300 Watts
  • Resonance: 35Hz
  • Usable Frequency Range: 45Hz - 3.7kHz
  • Average Sensitivity: 1W @ 1m 98 dB
  • Magnet Weight: 34oz.
  • Gap Height: 0.312 inches, 7.94mm
  • Voice Coil Diameter: 2 inches, 50.8mm

Mounting Information

  • Overall Diameter: 15.15 inches, 384.8mm
  • Baffle Hole Diameter: 13.77 inches, 349.6mm
  • 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.: 14.56 inches, 369.9mm
  • Depth: 6.05 inches, 153.6mm
  • Shipping Weight: 11 lbs., 5 kg

Thiele-Small Parameters

  • Resonant Frequency: 35Hz
  • Impedance (RE): 6.32 ohm
  • Coil Inductance (Le): 1.10mH
  • Electromagnetic Q (Qes): 0.63
  • Mechanical Q (Qms): 8.10
  • Total Q (Qts): 0.58
  • Compliance Equivalent Volume (Vas): 334.6 liters, 11.82 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 327cc
  • Mechanical Compliance of suspension (Cms): 0.35mm/N
  • BL Product (BL): 11.5 TM
  • Diaphragm Mass inc. Airload (Mms): 60 grams
  • Equiv. Resistance of mechanical suspension loss (Rms): 1.61N*sec/M
  • Efficiency Bandwidth Product (EBP): 55
  • Voice Coil Overhang (Xmax): 4.0mm
  • Surface Area of Cone (Sd): 832.7cm2
  • Impedance at Resonance (Zmax): 88 ohm



 
 
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Todd Forbes from Weedsport, NY United States
Rating
Quality
Features
Ease of Use
Sound
Subject
Excellent speaker
Quality
Would you consider this product to be made well? How dependable?
Made in USA, can't beat that
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?
Very easy to install with quick connects
Sound
How is the tone?
Deep, full lows while still retaining mid attack and more than enough clarity in the highs. They sound better than the celestions I was using.
  • Overview
  • Specs
  • Manufacturer Info
  • Also Purchased
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