Dayton Audio CE140-30S-8 1" x 5" Extended Range Driver 8 Ohm

Tall aspect ratio flat diaphragm for wide dispersion

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The CE140-30S-8 by Dayton Audio is a 1” x 5” tall-aspect-ratio extended range driver with a flat sandwich-construction diaphragm and a compact neodymium motor, for applications requiring a very narrow format yet wide-bandwidth driver.

The Commercial Engineering (CE) series of speaker drivers from Dayton Audio provides engineers, designers, and integrators with a line of economical small drivers that fit the diverse range of applications found in consumer electronics and audio-enabled electronic projects.

The Dayton Audio CE140-30S-8 is a 1” x 5” driver for applications requiring a narrow format, yet wide bandwidth. The flat diaphragm uses a sandwich construction composed of woven glass fiber skins over a paper honeycomb core, for an excellent combination of stiffness and damping – often difficult to achieve in a flat diaphragm. The compact neodymium motor provides long-throw performance in a small form factor, enabling the driver frame to be only 1.4” wide. The rugged, low-profile stamped steel frame features screw mounting holes for simplified installation.

The rugged, low-profile stamped steel frame features screw mounting holes for simplified installation. Use the CE140-30S-8 as a wide-bandwidth driver, or as a narrow-format midwoofer driver for high-fidelity music.


• Tall aspect ratio flat diaphragm for wide dispersion
• Compact neodymium magnet structure
• Low profile stamped steel frame
• Copper voice coil on vented Kapton former
• Suitable as a mid-woofer or extended range driver


Speaker SeriesCE Series
Model NumberCE140-30S-8
Unit of MeasureEach
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)0.1900


Speaker TypeExtended Range
Nominal Diameter1" x 5"
Power Handling (RMS)10 watts
Power Handling (max)20 watts
Impedance8 ohms
Sensitivity76 dB @ 1W/1m
Frequency Response100 - 8,000 Hz
Voice Coil Diameter20 mm


DC Resistance (Re)7.75 ohms
Voice Coil Inductance (Le)0.78 mH
Resonant Frequency (Fs)105 Hz
Mechanical Q (Qms)4.64
Electromagnetic Q (Qes)1.35
Total Q (Qts)1.04
Diaphragm Mass Inc. Airload (Mms)5.08 g
Mechanical Compliance of Suspension (Cms)0.47 mm/N
Surface Area Of Cone (Sd)25.1 cm²
Volume of Displacement (Vd)5.02 cm³
BL Product (BL)4.34 Tm
Compliance Equivalent Volume (Vas)0.41 liters
Maximum Linear Excursion (Xmax)2.0 mm


Cone / Diaphragm MaterialFiberglass Cone
Surround MaterialRubber
Voice Coil FormerKapton® / Polyimide
Dual Voice CoilNo
Magnet MaterialNeodymium


Overall Outside Diameter137 mm x 36.2 mm
Overall Depth36.5 mm
Baffle Cutout Diameter124.81 mm x 33 mm
# Mounting Holes4
SKU 848791001161
Model # CE140-30S-8
Brand Dayton Audio
Shipping Weight 0.0863kg
Shipping Width 0.051m
Shipping Height 0.051m
Shipping Length 0.152m
Shipping Cubic 0.000393m3
Assembled Length 0.152m
Assembled Height 0.051m
Assembled Width 0.051m

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