Eminence Beta-6A 6-1/2" High Power Pro Midbass Woofer Midrange Speaker 350 Watts

High power 6.5 inch Mid/Bass driver for use in concert sound systems or in high power auto sound as a mid/bass or a midrange driver. Works well in tiny sealed or vented enclosures, and in Infinite Baffles too.

SPECIFICATION

Nominal Basket Diameter

• 6", 165 mm

Nominal Impedance*

• 8 Ω

Power Rating*

Program Power

• 350 W

Watts

• 175 W

Resonance

• 123 Hz

Usable Frequency Range

• 95 Hz - 4 kHz

Sensitivity*

• 94 dB

Magnet Weight

• 30 oz.

Gap Height

• 0.25", 6.4 mm

Voice Coil Diameter

• 2", 51 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

• 123 Hz

DC Resistance (Re)

• 5.18 Ω

Coil Inductance (Le)

• 0.43m H

Mechanical Q (Qms)

• 3.46

Electromagnetic Q (Qes)

• 0.66

Total Q (Qts)

• 0.56

Compliance Equivalent Volume (Vas)

• 3.51 liters / 0.12 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 61.1 cc

Mechanical Compliance of Suspension (Cms)

• 0.15 mm/N

BL Product (BL)

• 8.13 T-M

Diaphragm Mass Inc. Airload (MMs)

• 11 grams

Efficiency Bandwidth Product (EBP)

• 185

Maximum Linear Excursion (Xmax)

• 4.5 mm

Surface Area of Cone (Sd)

• 129.9 cm2

Maximum Mechanical Limit (Xlim)

• 5.7 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

• 2.38-9999.99 liters / 0.08-9999.99 cu.ft.

Vented

• 5.1-14.16 liters / 0.18-0.5 cu.ft.

Driver Volume Displaced

• 0.021 cu.ft. / 0.6 liters

Overall Diameter

• 6.59", 167.4 mm

Baffle Hole Diameter

• 5.65", 143.5 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.23", 5.8mm

Mounting Holes B.C.D.

• 6.06", 153.9mm

Depth

• 2.66", 67.6 mm

Net Weight

• 5.6 lbs, 2.54 kg

Shipping Weight

• 6.3 lbs, 2.86 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

• Aluminum voice coil

Coil Former

• Polyimide former

Magnet Composition

• Ferrite magnet

Core Details

• Vented and extended core

Basket Materials

• Pressed steel basket

Cone Composition

• Water resistant paper cone

Cone Edge Composition

• Treated cloth cone edge

Dust Cap Composition

• Water resistant treated paper dust cap