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Eminence Alpha 4-8 4" Full-Range Pair 8 Ohm
Brand Eminence Speaker
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Product Description
Manufacturer Part Number: Alpha 4-8
The Eminence Alpha 4-8 is a versatile 4" driver that is ideal for compact, high performance PA, MI, or even car audio applications. These drivers are sold in pairs.
Key Features:
Overview:
Eminence Alpha 4-8 4" Full-Range Pair 8 Ohm
Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, Eminence's Alpha 4-8 is a very versatile 110 watt maximum driver that can be used as a full range, midbass, or 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.
Also available in a 4 ohm version:
Note: These drivers are sold in pairs.
Specification:
Manuals & Resources:
The Eminence Alpha 4-8 is a versatile 4" driver that is ideal for compact, high performance PA, MI, or even car audio applications. These drivers are sold in pairs.
Key Features:
- Perfect driver for high output line array use
- Flat response from 90 to 12,000 Hz
- Cosmetic mounting flange for a clean look without flush mounting
- Naturally damped paper cone minimizes resonances
Overview:
Eminence Alpha 4-8 4" Full-Range Pair 8 Ohm
Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, Eminence's Alpha 4-8 is a very versatile 110 watt maximum driver that can be used as a full range, midbass, or 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.
Also available in a 4 ohm version:
Note: These drivers are sold in pairs.
Specification:
Product Details | |
|---|---|
| Brand | Eminence Speaker |
| Model | Alpha 4-8 |
| Part Number | 290-4012 |
| UPC | 876358003815 |
| Unit of Measure | Pairs |
| Weight | 3.3 |
Product Specifications | |
|---|---|
| Nominal Diameter | 4" |
| Bolt Circle Diameter | 4.25 |
| Power Handling (RMS) | 55 Watts |
| Power Handling (MAX) | 110 Watts |
| Impedance | 8Ω |
| Frequency Response | 105 to 12,000Hz |
| Sensitivity | 88dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 123Hz |
| DC Resistance (Re) | 6.73Ω |
| Voice Coil Inductance (Le) | 0.28mH |
| Mechanical Q (Qms) | 6.83 |
| Electromagnetic Q (Qes) | 0.84 |
| Total Q (Qts) | 0.75 |
| Compliance Equivalent Volume (Vas) | 0.07ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.42mm/N |
| BL Product (BL) | 4.94T·m |
| Diaphragm Mass Inc. Airload (Mms) | 4g |
| Maximum Linear Excursion (Xmax) | 2.6mm |
| Surface Area of Cone (Sd) | 57.7cm² |
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 | 4.57" |
| Baffle Cutout Diameter | 3.77" |
| Depth | 2.31" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.08ft³ |
| Sealed F3 | 155Hz |
| Vented Volume | 0.26ft³ |
| Vented F3 | 73Hz |
Manuals & Resources:
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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