5 out of 5
Eminence Beta-8CX 8" Coaxial Driver
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Pricing Note
Product Description
Manufacturer Part Number: Beta-8CX
For maximum full-range speaker performance in the smallest possible footprint, consider the Eminence Beta-8CX 8" coaxial transducer.
Key Features:
Overview:
Eminence Beta-8CX 8" Coaxial Driver
The Eminence Beta-8CX 8" Coaxial Driver is recommended for professional audio midrange reproduction in sealed loudspeaker enclosures. Also suitable for midbass or floor monitor applications in vented 2-way speaker cabinets. The Beta-8CX's coaxial design facilitates use of an HF driver to extend frequency response. Standard 1-3/8"-18 TPI threaded insert for HF horn driver (sold separately). Made in the USA. 7-year manufacturer's warranty!
Specification:
Manuals & Resources:
For maximum full-range speaker performance in the smallest possible footprint, consider the Eminence Beta-8CX 8" coaxial transducer.
Key Features:
- Standard screw on 1-3/8" 18 TPI mount for compression driver
- High frequency horn is hidden behind the porous dust cap
- Perfect for use in ultra compact monitors
- Frequency response from 95 to 3,300 Hz allows easy transition to tweeter
Overview:
Eminence Beta-8CX 8" Coaxial Driver
The Eminence Beta-8CX 8" Coaxial Driver is recommended for professional audio midrange reproduction in sealed loudspeaker enclosures. Also suitable for midbass or floor monitor applications in vented 2-way speaker cabinets. The Beta-8CX's coaxial design facilitates use of an HF driver to extend frequency response. Standard 1-3/8"-18 TPI threaded insert for HF horn driver (sold separately). Made in the USA. 7-year manufacturer's warranty!
Specification:
Product Details | |
|---|---|
| Brand | Eminence Speaker |
| Model | Beta-8CX |
| Part Number | 290-500 |
| UPC | 876358000074 |
| Unit of Measure | Each |
| Weight | 6.1 |
Product Specifications | |
|---|---|
| Nominal Diameter | 8" |
| Power Handling (RMS) | 250 Watts |
| Power Handling (MAX) | 500 Watts |
| Impedance | 8Ω |
| Frequency Response | 95 to 3,300Hz |
| Sensitivity | 92.9dB 2.83V/1m |
| Voice Coil Diameter | 2" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 62Hz |
| DC Resistance (Re) | 5.37Ω |
| Voice Coil Inductance (Le) | 0.67mH |
| Mechanical Q (Qms) | 6.57 |
| Electromagnetic Q (Qes) | 0.31 |
| Total Q (Qts) | 0.29 |
| Compliance Equivalent Volume (Vas) | 0.76ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.35mm/N |
| BL Product (BL) | 11.21T·m |
| Diaphragm Mass Inc. Airload (Mms) | 19g |
| Maximum Linear Excursion (Xmax) | 3.2mm |
| Surface Area of Cone (Sd) | 210cm² |
Materials of Construction | |
|---|---|
| Cone Material | Treated 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 | 8.24" |
| Baffle Cutout Diameter | 7.13" |
| Depth | 3.5" |
| # Mounting Holes | 8 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.35ft³ |
| Sealed F3 | 206Hz |
| Vented Volume | 0.5ft³ |
| Vented F3 | 70Hz |
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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Customer Reviews
By Alejandro Nunes
Date: January 11, 2012
is the best buy I've made in my life. have a good sound and good sharpness. I recommend it 100%
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By Sasha Goodman
Date: July 18, 2009
This is an excellent driver when used in a medium sized ported enclosure and paired with a horn tweeter. It will go down to 80 Hz then and can be paired with a sub-bass. I've tried a 2.5kHz crossover with it and liked it.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
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