Speaker - Eminence® American, 4", Alpha 4, 110W

Eminence
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Speaker - Eminence® American, 4", Alpha 4, 110W

$34.99
Package of 2
Sold as a package of 2
Note: special order items require additional lead time. See our page on special order items.

Special Order Item

Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, the Alpha 4 is a very versatile 110 watt driver that can be used full range, as a midbass, or as a midrange. They can be stacked by themselves in a column for vocal applications, or in conjunction with a tweeter and a sub for compact, high performance PA or MI applications.

RoHS Compliant
SKU:
P-A-ALPHA-4-X
Item ID:
043086
Brand:
EminenceAmerican Standard
Size:
Part Numbers
ImpedanceOur Part NumberUPC/EANEminence Part Number
4 ΩP-A-ALPHA-4-4876358003808 ALPHA 4-8
8 ΩP-A-ALPHA-4-8876358003815 ALPHA 4-8
Product Measurements by Type
BL Product (BL)4 Ω versionP-A-ALPHA-4-44.12 T-M
8 Ω versionP-A-ALPHA-4-84.94 T-M
Baffle Hole Diameter95.8 mm
Basket MaterialsPressed steel basket
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Coil Inductance (Le)4 Ω versionP-A-ALPHA-4-40.18m H
8 Ω versionP-A-ALPHA-4-80.28m H
Compliance Equivalent Volume (Vas)4 Ω versionP-A-ALPHA-4-41.76 liters
8 Ω versionP-A-ALPHA-4-81.94 liters
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsNon-Vented core
DC Resistance (Re)4 Ω versionP-A-ALPHA-4-43.42 Ω
8 Ω versionP-A-ALPHA-4-86.73 Ω
Depth58.7 mm
Diaphragm Mass Inc. Airload (MMs)4 Ω versionP-A-ALPHA-4-45 grams
8 Ω versionP-A-ALPHA-4-84 grams
Driver Volume Displaced0.33 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (EBP)4 Ω versionP-A-ALPHA-4-4172
8 Ω versionP-A-ALPHA-4-8146
Electromagnetic Q (Qes)4 Ω versionP-A-ALPHA-4-40.7
8 Ω versionP-A-ALPHA-4-80.84
Front Sealing GasketYes
Gap Height3.7 mm
Magnet CompositionFerrite magnet
Magnet Weight10 oz.
Maximum Linear Excursion (Xmax)2.6 mm
Maximum Mechanical Limit (Xlim)4.5 mm
Mechanical Compliance of Suspension (Cms)4 Ω versionP-A-ALPHA-4-40.38 mm/N
8 Ω versionP-A-ALPHA-4-80.42 mm/N
Mechanical Q (Qms)4 Ω versionP-A-ALPHA-4-46.41
8 Ω versionP-A-ALPHA-4-86.83
Mounting Holes B.C.D.108mm
Mounting Holes Diameter3.8mm
Nominal Basket Diameter102 mm
Nominal Impedance8 Ω versionP-A-ALPHA-4-88 Ω
Nominal Impedance*4 Ω versionP-A-ALPHA-4-44 Ω
Overall Diameter116.1 mm
Peak Diaphragm Displacement Volume (Vd)15 cc
Program Power Rating110 W
Rear Sealing GasketYes
Resonance4 Ω versionP-A-ALPHA-4-4120 Hz
8 Ω versionP-A-ALPHA-4-8123 Hz
Resonant Frequency (fs)120 Hz
Sealed4 Ω versionP-A-ALPHA-4-41.84-4.53 liters / 0.07-0.16 cu.ft.
8 Ω versionP-A-ALPHA-4-81.87-8.5 liters
Sensitivity8 Ω versionP-A-ALPHA-4-888 dB
Sensitivity*4 Ω versionP-A-ALPHA-4-488 dB
Surface Area of Cone (Sd)57.7 cm2
Total Q (Qts)4 Ω versionP-A-ALPHA-4-40.63
8 Ω versionP-A-ALPHA-4-80.75
Usable Frequency Range4 Ω versionP-A-ALPHA-4-4105 Hz - 10 kHz
8 Ω versionP-A-ALPHA-4-8105 Hz - 12 kHz
Vented4 Ω versionP-A-ALPHA-4-43.96-7.08 liters / 0.14-0.25 cu.ft.
8 Ω versionP-A-ALPHA-4-82.27-4.25 liters
Voice Coil Diameter25 mm
Watts55 W
Packaging Information
Packaging Dimensions1 in. × 1 in. × 1 in.
Weight (Packaging)3 lbs.
Product Measurements by Item
P-A-ALPHA-4-4 - 4 Ω versionBL Product (BL)4.12 T-M
Baffle Hole Diameter95.8 mm
Basket MaterialsPressed steel basket
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Coil Inductance (Le)0.18m H
Compliance Equivalent Volume (Vas)1.76 liters
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsNon-Vented core
DC Resistance (Re)3.42 Ω
Depth58.7 mm
Diaphragm Mass Inc. Airload (MMs)5 grams
Driver Volume Displaced0.33 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (EBP)172
Electromagnetic Q (Qes)0.7
Front Sealing GasketYes
Gap Height3.7 mm
Magnet CompositionFerrite magnet
Magnet Weight10 oz.
Maximum Linear Excursion (Xmax)2.6 mm
Maximum Mechanical Limit (Xlim)4.5 mm
Mechanical Compliance of Suspension (Cms)0.38 mm/N
Mechanical Q (Qms)6.41
Mounting Holes B.C.D.108mm
Mounting Holes Diameter3.8mm
Nominal Basket Diameter102 mm
Nominal Impedance*4 Ω
Overall Diameter116.1 mm
Peak Diaphragm Displacement Volume (Vd)15 cc
Program Power Rating110 W
Rear Sealing GasketYes
Resonance120 Hz
Resonant Frequency (fs)120 Hz
Sealed1.84-4.53 liters / 0.07-0.16 cu.ft.
Sensitivity*88 dB
Surface Area of Cone (Sd)57.7 cm2
Total Q (Qts)0.63
Usable Frequency Range105 Hz - 10 kHz
Vented3.96-7.08 liters / 0.14-0.25 cu.ft.
Voice Coil Diameter25 mm
Watts55 W
P-A-ALPHA-4-8 - 8 Ω versionBL Product (BL)4.94 T-M
Baffle Hole Diameter95.8 mm
Basket MaterialsPressed steel basket
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Coil Inductance (Le)0.28m H
Compliance Equivalent Volume (Vas)1.94 liters
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsNon-Vented core
DC Resistance (Re)6.73 Ω
Depth58.7 mm
Diaphragm Mass Inc. Airload (MMs)4 grams
Driver Volume Displaced0.33 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (EBP)146
Electromagnetic Q (Qes)0.84
Front Sealing GasketYes
Gap Height3.7 mm
Magnet CompositionFerrite magnet
Magnet Weight10 oz.
Maximum Linear Excursion (Xmax)2.6 mm
Maximum Mechanical Limit (Xlim)4.5 mm
Mechanical Compliance of Suspension (Cms)0.42 mm/N
Mechanical Q (Qms)6.83
Mounting Holes B.C.D.108mm
Mounting Holes Diameter3.8mm
Nominal Basket Diameter102 mm
Nominal Impedance8 Ω
Overall Diameter116.1 mm
Peak Diaphragm Displacement Volume (Vd)15 cc
Program Power Rating110 W
Rear Sealing GasketYes
Resonance123 Hz
Resonant Frequency (fs)120 Hz
Sealed1.87-8.5 liters
Sensitivity88 dB
Surface Area of Cone (Sd)57.7 cm2
Total Q (Qts)0.75
Usable Frequency Range105 Hz - 12 kHz
Vented2.27-4.25 liters
Voice Coil Diameter25 mm
Watts55 W

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