Eminence Alpha-15A 15" Driver

Read 34 Reviews | 25 Questions, 93 Answers or

Part #290-407

Eminence Alpha-15A 15" Driver

Part #290-407

Read 34 Reviews | 25 Questions, 93 Answers or

The Eminence Alpha-15A 15" speaker is ideal for two-way sound reinforcement systems, keyboard, and guitar combos. For all bass applications.

Key Features

Kapton coil former
Polyamide-imide coated copper voice coil
Ferrite magnet
Vented and extended pole piece
Pressed steel basket
Paper cone
Cloth accordian surround

Product Details
Brand	Eminence Speaker
Model	Alpha-15A
Part Number	290-407
UPC	876358000050
Unit of Measure	Each
Weight	8.65

Product Details

Brand

Eminence Speaker

Model

Alpha-15A

Part Number

290-407

UPC

876358000050

Unit of Measure

Each

Weight

8.65

Product Specifications
Nominal Diameter	15"
Power Handling (RMS)	220 Watts
Power Handling (MAX)	400 Watts
Impedance	8Ω
Frequency Response	46 to 3,500Hz
Sensitivity	97dB 2.83V/1m
Voice Coil Diameter	1.5"

Product Specifications

Nominal Diameter

15"

Power Handling (RMS)

220 Watts

Power Handling (MAX)

400 Watts

Impedance

8Ω

Frequency Response

46 to 3,500Hz

Sensitivity

97dB 2.83V/1m

Voice Coil Diameter

1.5"

Thiele-Small Parameters
Resonant Frequency (Fs)	41Hz
DC Resistance (Re)	5.88Ω
Voice Coil Inductance (Le)	0.84mH
Mechanical Q (Qms)	7.23
Electromagnetic Q (Qes)	1.53
Total Q (Qts)	1.26
Compliance Equivalent Volume (Vas)	9.18ft³
Mechanical Compliance of Suspension (Cms)	0.25mm/N
BL Product (BL)	7.7T·m
Diaphragm Mass Inc. Airload (Mms)	59g
Maximum Linear Excursion (Xmax)	3.8mm
Surface Area of Cone (Sd)	856.3cm²

Thiele-Small Parameters

Resonant Frequency (Fs)

41Hz

DC Resistance (Re)

5.88Ω

Voice Coil Inductance (Le)

0.84mH

Mechanical Q (Qms)

7.23

Electromagnetic Q (Qes)

1.53

Total Q (Qts)

1.26

Compliance Equivalent Volume (Vas)

9.18ft³

Mechanical Compliance of Suspension (Cms)

0.25mm/N

BL Product (BL)

7.7T·m

Diaphragm Mass Inc. Airload (Mms)

59g

Maximum Linear Excursion (Xmax)

3.8mm

Surface Area of Cone (Sd)

856.3cm²

Materials of Construction
Cone Material	Paper
Surround Material	Cloth
Voice Coil Wire Material	Copper
Voice Coil Former	Kapton® / Polyimide
Basket / Frame Material	Steel
Magnet Material	Ferrite

Materials of Construction

Cone Material

Paper

Surround Material

Cloth

Voice Coil Wire Material

Copper

Voice Coil Former

Kapton® / Polyimide

Basket / Frame Material

Steel

Magnet Material

Ferrite

Mounting Information
Overall Outside Diameter	15.15"
Baffle Cutout Diameter	13.77"
Depth	5.83"
# Mounting Holes	8

Mounting Information

Overall Outside Diameter

15.15"

Baffle Cutout Diameter

13.77"

Depth

5.83"

# Mounting Holes

Parts Express Staff Recommended Enclosure Volume
Sealed Volume	2.7ft³
Sealed F3	59Hz
Vented Volume	4.2ft³
Vented F3	51Hz

Parts Express Staff Recommended Enclosure Volume

Sealed Volume

2.7ft³

Sealed F3

59Hz

Vented Volume

4.2ft³

Vented F3

51Hz

Product Categories

Eminence Alpha-15A 15" Driver

Eminence Alpha-15A 15" Driver

Overview

Product Details

Product Specifications

Thiele-Small Parameters

Materials of Construction

Mounting Information

Parts Express Staff Recommended Enclosure Volume

Specifications

Q&A

Reviews

Manuals & Resources

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