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Eminence Beta-12A-2 12" 500W 8-ohms PA Replacement Bass Guitar Speaker Woofer

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SKU:
Eminence Beta-12A-2 H.R
UPC:
876358000135
Condition:
New
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$74.99

Product Description

BETA-12A-2

 

Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure

 

SPECIFICATION

 

Nominal Basket Diameter

  • 12", 305 mm

Nominal Impedance*

  • 8 Ω

Power Rating*

 

Program Power

  • 500 W

Watts

  • 250 W

Resonance

  • 47 Hz

Usable Frequency Range

  • 43 Hz - 3.8 kHz

Sensitivity*

  • 98 dB

Magnet Weight

  • 38 oz.

Gap Height

  • 0.312", 7.9 mm

Voice Coil Diameter

  • 2", 51 mm

THIELE & SMALL PARAMETERS

 

Resonant Frequency (fs)

  • 47 Hz

DC Resistance (Re)

  • 5 Ω

Coil Inductance (Le)

  • 0.64m H

Mechanical Q (Qms)

  • 6

Electromagnetic Q (Qes)

  • 0.5

Total Q (Qts)

  • 0.46

Compliance Equivalent Volume (Vas)

  • 120.1 liters / 4.24 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

  • 237 cc

Mechanical Compliance of Suspension (Cms)

  • 0.29 mm/N

BL Product (BL)

  • 10.8 T-M

Diaphragm Mass Inc. Airload (MMs)

  • 40 grams

Efficiency Bandwidth Product (EBP)

  • 94

Maximum Linear Excursion (Xmax)

  • 4.4 mm

Surface Area of Cone (Sd)

  • 538.9 cm2

Maximum Mechanical Limit (Xlim)

  • 11 mm

MOUNTING INFORMATION

 

Recommended Enclosure Volume

 

Sealed

  • 25.5-35.4 liters / 0.9-1.25 cu.ft.

Vented

  • 36.8-139 liters / 1.3-4.9 cu.ft.

Driver Volume Displaced

  • 0.071 cu.ft. / 2 liters

Overall Diameter

  • 12.03", 305.6 mm

Baffle Hole Diameter

  • 11.07", 281.2 mm

Front Sealing Gasket

  • Yes

Rear Sealing Gasket

  • Yes

Mounting Holes Diameter

  • 0.25", 6.4mm

Mounting Holes B.C.D.

  • 11.59", 294.4mm

Depth

  • 5.5", 139.7 mm

Net Weight

  • 7.5 lbs, 3.4 kg

Shipping Weight

  • 9.7 lbs, 4.4 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