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Home > Accessories > Amplifier Parts > PA Cabinet Parts > Speakers > Eminence Beta 15A 15" 300W Stamped Frame Woofer
Eminence Beta 15A 15" 300W Stamped Frame Woofer (20776)110% Low Price Guarantee
 Item# 660060

Eminence Beta 15A 15" 300W Stamped Frame Woofer

1 Customer Review1 Customer Review Write a Review
$69.99
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Why Buy

 
 
Designed For All High Power Bass Applications Including Bass Guitar, This 15" Driver Features A Power Rating Of Up To 350 Watts (RMS) Of Power and A Frequency Response Of 35Hz-4kHz.
  • Impedance: 8 ohms
  • Usable Frequency Range: 45Hz - 3.7kHz
  • Magnet weight: 34 oz.
  • Power rating: 300W
  • Voice coil diameter: 2", 50.8mm

Eminence Beta 15A 15" 300W Stamped Frame Woofer
BETA 15 RAW FRAME DRIVER:

OVERVIEW:
Pressed steel loudspeakers have been the backbone of Eminence Speaker LLC for nearly 40 years. You could say we have had a lot of practice at making these! This is our signature range of loudspeakers. A series fashioned by a team with more combined experience in loudspeaker design than any other team in the world. A group of people who, collectively, have created over 6,000 different loudspeaker designs - and that's only the number that made it to production!


Every one of these loudspeakers has been designed and carefully built by individuals for whom developing loudspeakers is a way of life. We think it shows. We know you can hear it too. Take a look at some of the remarkable performance figures. Eminence pressed steel baskets possess remarkable strength and are often stronger than the cast frames of other manufacturers. The voice coils in this series are among the best in the world. They are responsive and durable - designed to make the best of the available amplifier power and to faithfully reproduce music.

MADE IN THE USA:
The advances made since 1966 have been significant and even in the lifetime of this range, our philosophy of "making a better speaker for less" holds true. In particular, detail changes in our voice coil assemblies have increased thermal efficiency. As a result, power ratings have improved by up to 100% or more in some cases. The Kappa models, once rated at 400W across the board, are now rated at between 450W and 600W. The Alpha models, once rated at 100W, are now rated at between 100W and 200W. The Beta 15 was originally rated at 150W but has been re-engineered for a massive 350W! To recognize these new models, look for their chrome back labels.

Order today with the no-risk assurance of our Total Satisfaction and Low Price Guarantees!

  • Specifications:
  • Nominal Basket Diameter: 15", 381mm
  • Impedance: 8 ohms
  • Power Rating: 300W
  • Resonance: 35Hz
  • Usable Frequency Range: 45Hz - 3.7kHz
  • Sensitivity: 98.2
  • Magnet Weight: 34 oz.
  • Gap Height: 0.312", 7.92mm
  • Voice Coil Diameter: 2", 50.8mm

    Thiele-Small Parameters:
  • Resonant Frequency (fs): 35Hz
  • Impedance (Re): 6.32 ohms
  • 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 11.8 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd): 330cc
  • Mechanical Compliance of Suspension (Cms): 0.35mm/N
  • BL Product (BL): 11.5 T-M
  • Diaphragm Mass inc. Airload (Mms): 60 grams
  • Efficiency Bandwidth Product (EBP): 56
  • Voice Coil Overhang (Xmax): 4.0mm
  • Surface Area of Cone (Sd): 823.7cm2
  • Impedance at Resonance (Zmax): 88 ohms
  • Maximum Mechanical Limit (Xmech): 11.6mm

    Materials of Construction:
  • Copper voice coil for improved power handling and durability
  • Polyimide former
  • Ferrite Magnet
  • Vented and extended core for increased power handling
  • Premium pressed steel basket for maximum strength
  • Paper cone
  • Cloth cone edge
  • Solid composition paper dust cap

    Mounting Information:
  • Recommended Enclosure Volume (vented): 99 - 175.6 liters
  • Overall Diameter: 15.15", 384.8mm
  • Baffle Hole Diameter: 13.77", 349.6mm
  • Front Sealing Gasket: fitted as standard
  • Rear Sealing Gasket: fitted as standard
  • Mounting Holes Diameter: 0.25", 6.4mm
  • Mounting Holes B.C.D.: 14.56", 369.9mm
  • Depth: 6.05", 154mm
  • Shipping Weight: 10.8lbs., 4.9 kg.

7 year parts and labor warranty against defects on all speakers sold under Eminence name.
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"great sound"
by Roy West - 1/28/2009 9:45:19 AM
Musical Experience: Style of Music: Hometown:
hobbyist all La porte
50 people out of 81 found this review helpful

I bought one for my bass cab and it sounds great. You can't beat this deal!

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