Eminence American Standard Beta 15A 15 Inch Speaker 300 Watts

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    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
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    Eminence American Standard Beta 15A 15 Inch Speaker 300 Watts Specifications

    Eminence American Standard Beta 15A 15 Inch Speaker 300 Watts Specifications
    Product Specifications

    Eminence American Standard Beta 15A 15 Inch Speaker 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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