OFFLINE Eminence Beta-15A 300W 15" Low Frequency Driver, 8 Ohm

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Key Features

  • 15" Eminence Beta Loudspeaker
  • 45Hz To 3.7kHz Usable Frequency Response
  • Nominal Impedance Of 8 Ohms
  • Average Net Weight Of 3.99kg
  • Copper Voice Coil With Ferrite Magnet
Questions? Email info@gear4music.com or call 1-888-202-8188

OFFLINE Eminence Beta-15A 300W 15" Low Frequency Driver, 8 Ohm Overview

The Eminence Beta-15A lives up to Eminence's reputation for great quality loudspeakers. Suitable for a wide variety of applications, the Beta-15A is an ideal choice for anyone looking to build or upgrade their PA or monitor enclosures. Featuring a copper voice coil and ferrite magnet, the 15" Beta-15A provides a usable frequency range of 45Hz to 3.7kHz with a nominal load capacity of 300W, and a maximum rated load of 600W.

Recommended for professional audio as a woofer in sealed and vented enclosures.

Product Ref: 87186

Full Description

View Full Description

Superior Eminence Quality

The Eminence Beta-15A is perfectly suited as an upgrade to your existing 15" enclosure, or to be mounted in a planned enclosure build. The Eminence Beta-15A means you can get that incredible Eminence sound and quality in any of your desired cabinets.

Specifications

Speaker Specifications

  • Nominal Basket Diameter: 15"/381mm
  • Nominal Impedance: 8 Ohms
  • Power Rating:
    • Program Power: 600W
    • Watts: 300W
  • Resonance: 35Hz
  • Usable Frequency Range: 45Hz - 3.7kHz
  • Sensitivity: 98.2dB
  • Magnet Weight: 34oz.
  • Gap Height: 0.31"/7.9mm
  • Voice Coil Diameter: 2"/51mm

Thiele & Small (T/S) Paramaters

  • Resonant Frequency (fs): 35Hz
  • DC Resistance (Re): 6.32 Ohms
  • Coil Inductance (Le): 1.1m H
  • Mechanical Q (Qms): 8.1
  • Electromagnetic Q (Qes: 0.63
  • Total Q (Qts): 0.58
  • Compliance Equivalent Volume (Vas): 334.6 litres/11.82 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): 60g
  • Efficiency Bandwidth Product (EBP): 56
  • Maximum Linear Excursion (Xmax): 4mm
  • Surface Area of Cone (Sd): 823.7cm2
  • Maximum Mechanical Limit (Xlim): 11.6mm

Mounting Information

  • Recommended Enclosure Volume:
    • Sealed: 45-62 litres/1.6-2.2 cu.ft.
    • Vented: 99-175.6 litres/3.5-6.2 cu.ft.
  • Driver Volume Displaced: 3.33 litres/0.118 cu.ft.
  • Overall Diameter: 15.15"/384.8mm
  • Baffle Hole Diameter: 13.87"/352.3mm
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Mounting Holes Diameter: 0.25"/6.4mm
  • Mounting Holes BCD: 14.56"/369.8mm
  • Depth: 6.05"/153.7mm
  • Net Weight: 8.8lbs/3.99kg
  • Shipping Weight: 10.8lbs/4.9kg

Materials Of Construction

  • Coil Construction: Copper Voice Coil
  • Coil Former: Polyimide Former
  • Magnet Composition: Ferrite Magnet
  • Core Details: Vented & Extended Core
  • Basket Materials: Pressed Steel basket
  • Cone Composition: Paper Cone
  • Cone Edge Composition: Cloth Cone Edge
  • Dust Cap Composition: Solid Composition Paper Dust Cap