Eminence Beta-10CX 10" Coaxial Driver

Brand:| Model: Beta-10CX
Eminence's Beta-10CX is a coaxial solution to the challenge of achieving efficient, extended range output from limited baffle space.
  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Extended pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround
Part # 
Weight: 7.3 lbs.  
Your Price
Part # 290-502
Qty:  EA
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Product Details

Eminence Beta-10CX 10" Coaxial Driver

The Eminence Beta-10CX 10" 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-10CX'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 Specifications
  • Nominal Diameter10"
  • Power Handling (RMS)250 Watts
  • Power Handling (max)500 Watts
  • Impedance8 ohms
  • Frequency Response58 to 3,000 Hz
  • Sensitivity95.1 dB 1W/1m
  • Voice Coil Diameter2"
  • Magnet Weight38 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)48 Hz
  • DC Resistance (Re)5.53 ohms
  • Voice Coil Inductance (Le)0.75 mH
  • Mechanical Q (Qms)5.21
  • Electromagnetic Q (Qes)0.43
  • Total Q (Qts)0.39
  • Compliance Equivalent Volume (Vas)2.3 ft.³
  • Mechanical Compliance of Suspension (Cms)0.39 mm/N
  • BL Product (BL)10.4 Tm
  • Diaphragm Mass Inc. Airload (Mms)27g
  • Maximum Linear Excursion (Xmax)5 mm
  • Surface Area of Cone (Sd)344.9 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter10.08"
  • Baffle Cutout Diameter9.18"
  • Depth3.98"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.56 ft.³
  • Sealed F3107 Hz
  • Vented Volume1.62 ft.³
  • Vented F360 Hz
Eminence Beta-10CX 10" Coaxial Driver
  • BrandEminence Speaker
  • ModelBeta-10CX
  • Part Number290-502
  • UPC876358000104
  • Product CategoryCoaxial Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (7 Reviews)
  • Weight7.3 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Eminence Beta-10CX 10" Coaxial Driver
Eminence Beta-10CX 10" Coaxial Driver is rated 5.0 out of 5 by 7.
Rated 5 out of 5 by from Very nice.I built a very small coaxial floor monitor using this driver, the ASD1001, and PXB2:2K5CX. Sound is very smooth, needs very little EQ.Cabinet design is similar to the EAW MicroWedge with the curved back and Speakons recessed in the front. This is a sealed cabinet.
Date published: 2014-08-09
Rated 5 out of 5 by from Truly a GemFor the price, you can not do better than this driver for its intended application. Typical Eminence bullet proof construction and married with the proper CD, this thing is loud and proud. There was some discrepancy in the SPL specs, so I popped a quick email to Emi customer support to verify. The actual efficiency is 94.3dB, NOT 95.1, so keep that in mind if you need to construct an L-pad for your CD. I bought 8 of these and they do not dissapoint.
Date published: 2014-07-27
Rated 5 out of 5 by from great all around speakerI bought this a few weeks ago and it exceeded my expectations. Great low end. Mids and highs are ok but I got tweeters that fill in that void. I replaced a fisher speaker in a fisher cabinet with one of the 10 in models very very pleased.
Date published: 2014-04-26
Rated 5 out of 5 by from Completely Satisfied!!!I love this speaker! It has great tone when coupled with an APT-50. In fact, the only complaint I had is that eventhough it is called a coaxial speaker, i had to piece it all together by purchasing the tweeter and crossover separately.Once I got it all together though...It is Killin'! I built a 1x10 bass guitar cabinet using this woofer, the apt-50, and the pxb2:3k5 crossover. I put all of this in, get this, a car audio cabinet that happened to be vented and had approximately the same dimensions that I wanted in a custom cabinet.Long Story short, with everything together IT ROCKS!!!
Date published: 2010-12-06
Rated 5 out of 5 by from A GREAT SPEAKERI have a pair of monitors which came with 75 watt speakers and a very small tweeter. I'm a lead singer and I needed more hi-end.I couldn't find a tweeter small enough to fit the cabinets,yet hi enough to fit my personal needs,therefore I purchased the 10cx model to give me the room I needed to add a REAL hi-frequency driver.Now I have a small 250 watt powerhouse.
Date published: 2008-07-31
Rated 5 out of 5 by from JAMSI have four of these in my room two in each speaker and it is so loud i knock pictures off the wall and other glass objects.
Date published: 2008-01-16
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Eminence Beta-10CX 10" Coaxial Driver

I am planning to build a passive 2-10 inch 1 gamma the other beta coaxial can I use a 2002-8 hf driver with adapter in sealed mid hi pa cab? What crossover and how. Steep for HF?

Asked by: Singer123456
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2014-12-31

I am planning on getting a pair of the Eminence Beta-10CX co-ax drivers and wanted to know whether the Eminence ASD1001 horn driver is compatible with it, and as to what cross over I should use. If the ASD1001 is not compatible, what is ?

Asked by: AVKESQ
Yes the ASD1001 is a compatible driver. I would recommend the crossover below as a good option.http://www.parts-express.com/eminence-pxb2-2k5cx-2-way-speaker-crossover-board-2500-hz--290-635
Answered by: MattP
Date published: 2014-07-07

do you need to install a dedicated crossover if you use an APT 50 super tweeter?  What happens if you don't also install a crossover? I'm using this for a guitar cabinet. I'm replacing a Beta 10a because I need more high end.

Asked by: PeteNova
Yes there will need to be a crossover for any compression driver you attach to this woofer. If you do not use one, the driver will likely be damaged or fail due to being over powered. If you are planning on using the APT 50 tweeter, the crossover in the link below would be ideal.http://www.parts-express.com/eminence-pxb2-2k5cx-2-way-speaker-crossover-board-2500-hz--290-635
Answered by: MattP
Date published: 2014-06-26

Does it fit in the 10" subwoofer cabinet. http://www.parts-express.com/dayton-audio-swc-1co-10-cu-ft-subwoofer-cabinet-with-cutouts--302-802 1cu ft.

Asked by: Sreegee
Unfortunately this would not be a good choice for that cabinet cutout. You would be further ahead using the blank cabinet and cutting your own driver cutouts.
Answered by: MattP
Date published: 2014-05-12

Will the ASD1001 work?

I see that it is common to use the APT-50 HF driver with the 10cx, though I can't seem to find the source of this recommendation. Is there any issue with using the (better?) ASD1001 instead? If not, what would the recommended crossover be for that setup? Thanks!
Asked by: Stanwalters
That is a very good match. The ASD1001 is very efficient and LOUD. Great high end as well. Some drivers are rated above 10K but that is with a fast roll off. This one is a true tweeter driver. Crossover is about 3K to 3.5K. This point, matches the woofer well. A great value as well.
Answered by: Joe from San Francisco
Date published: 2013-09-11

Removed from the APT 50 tweeter, what is the highest usable frequency of the 10CX?

Asked by: Hackomatic
Figure 3100hz on the upper end max. If you are crossing it over, do so around 2K at 6db/oct. You can go up higher but will want a steeper slope to avoid beaming and anomolies in the response curve.
Answered by: MarkAJH
Date published: 2013-09-30
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