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CE70-40P-8 1-5/8" x 2-3/4" Full-Range Driver 8 Ohm

Quick Overview

Dayton Audio’s CE70-40P-8 is an economical small full-range driver that features a narrow racetrack shape, a shielded ceramic magnet motor, a paper cone, a front gasket, and a steel frame. 8 ohm impedance.

Product Highlights

  • Paper cone with fabric roll surround for high efficiency
  • Rugged stamped steel frame
  • Shielded ceramic magnet motor

Product Manuals / Spec Sheets / Downloads

Dayton Audio CE70-40P-8 Specification Sheet

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 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 CE70-40P-8 features a ‘racetrack’ design that maximizes cone area for high output while fitting into narrow spaces. Its high-quality design features a paper cone, coated fabric surround, textile spider, shielded ceramic motor, and a rectangular steel frame with mounting lobes for conventional mounting.

Speaker SeriesCE Series
Model NumberCE70-40P-8
List Price $6.99
Unit of MeasureEach
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)0.227
Speaker TypeFull-Range
Power Handling (RMS)3 watts
Power Handling (max)6 watts
Continuous Program Power--
Impedance8 ohms
Sensitivity80 dB @ 1W/1m
Frequency Response

420 - 20

000 Hz

Voice Coil Diameter13 mm
Magnet Weight--
DC Resistance (Re)6.6 ohms
Voice Coil Inductance (Le)0.28 mH (1k)
Resonant Frequency (Fs)418.6 Hz
Mechanical Q (Qms)3.82
Electromagnetic Q (Qes)9.92
Total Q (Qts)2.76
Diaphragm Mass Inc. Airload (Mms)0.82 g
Moving Mass Of Diaphragm (Mmd)--
Mechanical Compliance of Suspension (Cms)0.18 mm/N
Surface Area Of Cone (Sd)13.25 cm²
Volume of Displacement (Vd)0.01 cm³
BL Product (BL)1.20 Tm
Compliance Equivalent Volume (Vas)0.04 liters
Maximum Linear Excursion (Xmax)0.50 mm
Drivers Mechanical Losses (Rms)--
Cone / Diaphragm MaterialPaper Cone
Entry / Exit Diameter--
Surround MaterialCloth
Voice Coil Wire Material--
Voice Coil Former--
Basket/Frame Material--
Magnet MaterialNeodymium
Overall Outside Diameter71 mm x 41 mm
Overall Depth35 mm
Baffle Cutout Diameter70.3 mm
# Mounting Holes4
Mounting Hole Diameter--
Bolt Circle Diameter--
Product Weight--