Eminence ALPHA-15A: 15 inch Woofer

Original price was: $154.99.Current price is: $144.99.

Recommended for professional audio and bass guitar applications as a woofer in a vented or sealed enclosure.
200 watts / 46-3.5kHz / 1.5″ voice coil
8 ohms

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Description
Specifications
Description

ALPHA-15A

Recommended for professional audio and bass guitar applications as a woofer in a vented or sealed enclosure.

Click Here to Download PDF Spec Sheet

Click Here to Download PDF Cabinet Design

Specs:

Nominal Basket Diameter 15″, 381mm

Nominal Impedance* 8 ohms

Power Rating Watts 200W

Music Program 400W

Resonance 41Hz

Usable Frequency Range 46Hz-3.5kHz

Sensitivity*** 97

Magnet Weight 25 oz.

Gap Height 0.25″, 6.35mm

Voice Coil Diameter 1.5″, 38.1mm

Thiele & Small Parameters:

Resonant Frequency (fs) 41Hz

DC Resistance (Re) 5.88

Coil Inductance (Le) 0.84mH

Mechanical Q (Qms) 7.23

Electromagnetic Q (Qes) 1.53

Total Q (Qts) 1.26

Compliance Equivalent Volume (Vas) 260.0 liters / 9.2 cu.ft.

Peak Diaphragm Displacement Volume (Vd) 325cc

Mechanical Compliance of Suspension (Cms) 0.25mm/N

BL Product (BL) 7.7 T-M Diaphram Mass inc.

Airload (Mms) 59 grams

Efficiency Bandwidth Product (EBP) 27

Maximum Linear Excursion (Xmax) 3.8mm

Surface Area of Cone (Sd) 856.3 cm2

Maximum Mechanical Limit (Xlim) 8.4mm

Mounting Information:

Recommended Enclosure

Sealed 71-85 liters/2.5-3 cu.ft.

Vented 106-177 liters/3.75-6.25 cu.ft.

Overall Diameter 15.15″, 384.8mm

Baffle Hole Diameter 13.77″, 349.6mm

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 5.83″, 148mm

Net Weight 6.7 lbs., 3 kg

Shipping Weight 8.8 lbs., 4 kg

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

Dustcap Composition Solid composition paper dust cap

Specifications
Weight 10 lbs
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