Eminence Beta-15A 15

Eminence Beta-15A 15" Woofer

Regular price $74.98 Sale

Eminence Beta-15A
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SPECIFICATION

 

 

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