4x Eminence Alpha-10A 10" Midrange 300W MidBass Guitar Speaker PA Woofer 8-ohms.

Specification

Nominal Basket Diameter

• 10", 254 mm

Nominal Impedance*

• 8 Ohm

Power Rating

Program Power

• 300 W

Watts

• 150 W

Resonance

• 50 Hz

Usable Frequency Range

• 57 Hz - 4.5 kHz

Sensitivity*

• 95.6 dB

Magnet Weight

• 20 oz.

Gap Height

• 0.25", 6.4 mm

Voice Coil Diameter

• 1.5", 38 mm

Thiele & Small Parameters

Resonant Frequency (fs)

• 50 Hz

DC Resistance (Re)

• 5.31 Ohm

Coil Inductance (Le)

• 0.66m H

Mechanical Q (Qms)

• 5.21

Electromagnetic Q (Qes)

• 0.66

Total Q (Qts)

• 0.59

Compliance Equivalent Volume (Vas)

• 82.2 liters / 2.9 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

• 114 cc

Mechanical Compliance of Suspension (Cms)

• 0.46 mm/N

BL Product (BL)

• 7.5 T-M

Diaphragm Mass Inc. Airload (MMs)

• 22 grams

Efficiency Bandwidth Product (EBP)

• 76

Maximum Linear Excursion (Xmax)

• 3.2 mm

Surface Area of Cone (Sd)

• 355.4 cm2

Maximum Mechanical Limit (Xlim)

• 9.1 mm

Mounting Information

Recommended Enclosure Volume

Sealed

• 8.5-11.3 liters / 0.3-0.4 cu.ft.

Vented

• 28.3-53.8 liters / 1-1.9 cu.ft.

Driver Volume Displaced

• 0.034 cu.ft. / 0.95 liters

Overall Diameter

• 10.11", 256.8 mm

Baffle Hole Diameter

• 9.13", 231.9 mm

Front Sealing Gasket

• Yes

Rear Sealing Gasket

• Yes

Mounting Holes Diameter

• 0.23", 5.8mm

Mounting Holes B.C.D.

• 9.6", 243.8mm

Depth

• 3.9", 99.1 mm

Net Weight

• 4.5 lbs, 2.04 kg

Shipping Weight

• 5.6 lbs, 2.54 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