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User Manual for Eminence Alpha 2 American Standard Series Full Range Driver Set - 2" 8 Ohms - Click to enlarge the picture
Contents of the user manual for the Eminence Alpha 2 American Standard Series
- Product category: Speaker Accessories Eminence
- Brand: Eminence
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Eminence Speaker Accessories
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User manual for the Eminence Alpha 2 American Standard Series contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Eminence product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Eminence user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Eminence product will considerably shorten its lifespan!
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Product description Designed for tight fitting column and line array applications, the Eminence Alpha 2 American Standard Series Full Range Driver Set includes four 2" drivers, each with 0.64" copper voice coils and 2.7 oz ferrite magnets. With under spider venting and a flux source cap, these 8-Ohm drivers let the heat out while containing the magnetic flux, which is critical for multi-unit designs packed tightly together. The Alpha 2 is rated at 30W program power and features a wide frequency range of 200 Hz to 20 kHz. - Thiele and Small Parameters
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- Resonant Frequency (fs): 186 Hz
- DC Resistance (Re): 6.4 Ohms
- Coil Inductance (Le): 0.13m H
- Mechanical Q (Qms): 3.06
- Electromagnetic Q (Qes): 0.94
- Total Q (Qts): 0.72
- Compliance Equivalent Volume (Vas): 0.01 ft3 / 0.18 liters
- Peak Diaphragm Displacement Volume (Vd) 2.1cc
- Mechanical Compliance of Suspension (Cms): 0.84mm/N
- BL Product (BL): 2.64 T-M
- Diaphragm Mass Inc. Airload (MMs): 1 g
- Efficiency Bandwidth Product (EBP): 198
- Maximum Linear Excursion (Xmax): 1.7mm
- Surface Area of Cone (Sd): 12.37 cm2
- Maximum Mechanical Limit (Xlim): 2.2mm
- Thiele and Small Parameters
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- Recommended Enclosure Volume
- Sealed: 0.42-0.54 liters / 0.015-0.019 cu.ft.
- Vented: 0.37-0.57 liters / 0.013-0.02 cu.ft.
- Driver Volume Displaced: 0.001 cu.ft. / 0.03 liters
- Major Diameter: 2.75" / 69.9mm
- Flat to Flat Diameter: 2.13" / 54mm
- Baffle Hole Diameter: 2" / 50.8mm
- Front Sealing Gasket: Yes
- Rear Sealing Gasket: N/A
- Mounting Holes Diameter: 0.15" / 3.81mm
- Mounting Holes (B.C.D.): 2.36" / 59.94mm
- Depth: 1.63" / 41.4mm
- Net Weight: 0.4 lb / 0.18 kg
- Material of Construction
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- Coil Construction: Copper
- Coil Former: Polyimide
- Magnet Composition: Ferrite
- Core Details: Solid with flux source cap
- Basket Materials: Pressed Steel
- Cone Composition: Paper/Poly Sandwich
- Cone Edge Composition: Cloth
- Dust Cap Composition: Poly
UPC: 876358004034 In the Box Eminence Alpha 2 American Standard Series Full Range Driver Set - 2" / 8 Ohms - (4-Pack) Limited 7-Year Warranty Table of Contents
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Technical parametersEminence ALPHA 2-8 Specs | Nominal Basket Diameter | 2.0" / 51.0 mm | | Nominal Impedance | 8 Ohms | | Power Rating | Program Power: 30 W
Watts: 20 W | | Resonance | 186 Hz | | Usable Frequency Range | 200 Hz to 20 kHz | | Sensitivity | 83.8 dB | | Gap Height | 0.1" / 3.1 mm | | Voice Coil Diameter | 0.6" / 16.0 mm | | Weight | 0.4 lb / 0.2 kg |
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