Eminence Beta 15 8 Ohm Four Pack

Eminence Beta 15 8 ohm - 300W 15" Driver 8 ohm

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

Specifications:

• Nominal Basket Diameter 15", 381mm
• Nominal Impedance 8 ohms
• Power Rating - Watts: 300W, Music Program: 600W
• Resonance 35Hz
• Usable Frequency Range 45Hz - 3.7kHz
• Sensitivity*** 98.2dB
• Magnet Weight 34 oz.
• Gap Height 0.31", 7.92mm
• Voice Coil Diameter 2", 50.8mm

Thiele & Small Parameters:

• Resonant Frequency (fs) 35Hz
• DC Resistance (Re) 6.32
• Coil Inductance (Le) 1.1mH
• Mechanical Q (Qms) 8.1
• Electromagnetic Q (Qes) 0.63
• 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
• Maximum Linear Excursion (Xmax) 4mm
• Surface Area of Cone (Sd) 823.7 cm2
• Maximum Mechanical Limit (Xlim) 11.6mm

Mounting Information:

• Recommended Enclosure Volume: Sealed 45-62 liters / 1.6-2.2 cu.ft., Vented 99-175.6 liters / 3.5-6.2 cu.ft.
• Driver Volume Displaced 203.3 cu.in. / 3.33 liters
• Overall Diameter 15.15", 384.8mm
• Baffle Hole Diameter 13.87", 352.3mm
• 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
• Net Weight 8.8 lbs, 4 kg
• Shipping Weight 10.8 lbs, 4.9 kgs

Materials of Construction:

• Coil Construction Copper voice coil
• Coil Former Polyimide former
• Magnet Composition Ferrite magnet
• Core Details Vented and 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

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