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Eminence Beta-8CX 8" Coaxial Driver

Eminence Speaker
Part #290-500

Eminence Beta-8CX 8" Coaxial Driver

Eminence Speaker
Part #290-500  
Model: Beta-8CX
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
Your Price: $129.99
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MSRP: $159.99
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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!

Featured in Eminence's "Using coaxial products for DIY monitors and home hi-fi applications" article.

Product Details

BrandEminence Speaker
ModelBeta-8CX
Part Number290-500
UPC876358000074
Unit of MeasureEach
Weight6.1

Product Specifications

Nominal Diameter8"
Power Handling (RMS)250 Watts
Power Handling (MAX)500 Watts
Impedance8Ω
Frequency Response95 to 3,300Hz
Sensitivity92.9dB 2.83V/1m
Voice Coil Diameter2"

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 MaterialTreated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter8.24"
Baffle Cutout Diameter7.13"
Depth3.5"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.35ft³
Sealed F3206Hz
Vented Volume0.5ft³
Vented F370Hz

Specifications

Q&A

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Manuals & Resources

California Prop 65

WARNING: Cancer and Reproductive Harm

www.P65Warnings.ca.gov