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Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm

Brand:| Model: CE32A-4
Product Video
Overview
Great-looking and great-sounding, the CE32A-4 miniature speaker driver from Dayton Audio has the goods in a surprisingly small package. Its high-quality design has big-speaker features like an elegant black-anodized aluminum cone, rubber surround, and a neodymium motor. 4 ohm impedance.
Highlights
  • Black anodized aluminum inverted dome diaphragm
  • Rubber surround and cloth spider for low distortion
  • High-energy double neodymium magnet motor
Part # 
285-103
Weight: 0.065 lbs.  
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List Price$4.99
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Product Details

Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm

Dayton Audio is pleased to introduce the new Commercial Engineering (CE) Series of small loudspeaker drivers. Engineers, designers, and integrators will benefit from how effortlessly these speaker components satisfy the diverse demands associated with consumer electronics and audio-enabled projects.

Multiple types and styles are available within the Dayton Audio CE Series driver family. Each was produced to provide excellent audio quality no matter what the overall system design goals may be, and to suit a wide spectrum of engineering requirements. These versatile yet economical loudspeakers are available in sizes from 28 mm (1-1/8") to 90 mm (3-1/2") in diameter, and with power ratings from 1.5 watts to 5 watts continuous RMS power.

The CE32A-4 provides features you’d expect from a much larger driver, in a size that’s perfect for miniature applications that require wide dispersion and rich, natural sound. Its high-quality design features an elegant black-anodized concave aluminum diaphragm, rubber surround, textile spider, high-output neodymium motor, and a square injection-molded frame drilled for conventional mounting.



Product Specifications
  • Nominal Diameter1"
  • Power Handling (RMS)2 Watts
  • Power Handling (max)4 Watts
  • Impedance4 ohms
  • Frequency Response240 to 20,000 Hz
  • Sensitivity81 dB 2.83V/1m
  • Voice Coil Diameter0.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)262 Hz
  • DC Resistance (Re)3.6 ohms
  • Voice Coil Inductance (Le)0.15 mH
  • Mechanical Q (Qms)2.86
  • Electromagnetic Q (Qes)1.24
  • Total Q (Qts)0.86
  • Mechanical Compliance of Suspension (Cms)0.69 mm/N
  • BL Product (BL)1.59 Tm
  • Diaphragm Mass Inc. Airload (Mms)0.52g
  • Maximum Linear Excursion (Xmax)0.5 mm
  • Surface Area of Cone (Sd)3.92 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialRubber
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter1.26"
  • Baffle Cutout Diameter1.24"
  • Depth0.57"
  • # Mounting Holes4
Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm
  • BrandDayton Audio
  • ModelCE32A-4
  • Part Number285-103
  • UPC848791000423
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight0.065 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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in the Midrange / Midbass Drivers & Full-Range Speakers product category.

Reviews

Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm
Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Nice speakerI bought several of these for a novelty blue tooth speaker. I use a Sure electronics 2w x 2 PAM 8803 class D. Sounds like a miniature portable reference speaker. Nice sounding speaker for the price!
Date published: 2014-12-11
Rated 5 out of 5 by from Good sound for such a little speakerKeep in mind that it isn't made for low notes, but even my 120 Hz buzzer tone came out quite good.
Date published: 2014-02-12
Rated 5 out of 5 by from Nice for the priceI purchased two for a small portable sound bar project. I used the DTA-2 kit to power them.The small size does take some patience in mounting. I would recommend rear mounting, finding a tool to cut a 1.24" hole for front mounting perfectly is difficult.The sound is excellent for its size, low end roles off as expected at about 250 hz, but in near field you can get some mid-bass. The mids and highs are really good for what your paying, maybe a bit of an edginess with no filter. Definitely worth the price and where else can you get this size with these great looks and performance?
Date published: 2013-09-22

Product Q&A

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Dayton Audio CE Series CE32A-4 1-1/4" Mini Speaker 4 Ohm

Would you think that maybe 20 of these would make a set of decent line array speakers?

Asked by: Billy Bob
Yes this should work well.
Answered by: MattP
Date published: 2014-11-11

Since this driver has an open back I would imagine it would be prudent to mount it in a separate enclosure to prevent interference from a low frequency driver. Can you provide the optimum size sealed enclosure to achieve a critically damped q ~ .5?

Asked by: themannyb
Due to the High Fs and Qts of this driver, a Q of .5 is impossible. With an Fs over 250 Hz, the enclosure size will have no affect on driver performance. After plugging in the numbers, a volume of 0.0086 cubic feet, or 0.24 liters is "optimal" for a Q of .746 and F3 of 263 Hz.
Answered by: MattP
Date published: 2014-02-17

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