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CE40-20F-8 1-1/2" x 3/4" Mini Speaker 8 Ohm

Quick Overview

Dayton Audio’s CE40-20F-8 is a unique mini-speaker featuring a treated fabric diaphragm for smooth, natural sound with excellent self-damping. Try it as a mini-tweeter!

Product Highlights

  • Lightweight treated fabric diaphragm
  • Rugged plastic frame with 4 holes for easy mounting
  • Powerful neodymium magnet
  • Use as a tweeter or extended range driver

Product Manuals / Spec Sheets / Downloads

Dayton Audio CE40-20F-8 Specification Sheet

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 CE40-20F-8 is a compact rectangular mini-speaker featuring a racetrack-shaped, coated fabric diaphragm for extremely low resonance and excellent detail from a small driver. The highly damped diaphragm is an excellent choice for use as an extended-range mini speaker in laptops and flat-screen displays, or as a mini-tweeter to complement small woofers.

Speaker SeriesCE Series
Model NumberCE40-20F-8
List Price $5.99
Unit of MeasureEach
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)0.01
Speaker TypeMini Speaker
Nominal Diameter1.5" x .75"
Power Handling (RMS)1 watt
Power Handling (max)2 watts
Continuous Program Power--
Impedance8 ohms
Sensitivity76 dB @ 1W/1m
Frequency Response

500 - 20

000 Hz

Voice Coil Diameter12.5 mm
Magnet Weight--
DC Resistance (Re)6.76 ohms
Voice Coil Inductance (Le)0.36 mH
Resonant Frequency (Fs)695 Hz
Mechanical Q (Qms)1.67
Electromagnetic Q (Qes)11.9
Total Q (Qts)1.46
Diaphragm Mass Inc. Airload (Mms)0.11 g
Moving Mass Of Diaphragm (Mmd)--
Mechanical Compliance of Suspension (Cms)0.47 mm/N
Surface Area Of Cone (Sd)3.5 cm²
Volume of Displacement (Vd)0.04 cm³
BL Product (BL)0.53 Tm
Compliance Equivalent Volume (Vas)0.008 liters
Maximum Linear Excursion (Xmax)0.1 mm
Drivers Mechanical Losses (Rms)--
Cone / Diaphragm MaterialSoft Dome
Entry / Exit Diameter--
Surround MaterialCloth
Voice Coil Wire Material--
Voice Coil Former--
Basket/Frame Material--
Magnet Material--
Overall Outside Diameter40 mm x 20 mm
Overall Depth6.1 mm
Baffle Cutout Diameter35.3 mm
Mounting Hole Diameter--
Bolt Circle Diameter--
Product Weight--