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Dayton Audio CE Series CE38MB-32 1-1/2" Mini Speaker Driver Black 32 Ohm

Dayton Audio
Part #285-131

Dayton Audio CE Series CE38MB-32 1-1/2" Mini Speaker Driver Black 32 Ohm

Dayton Audio
Part #285-131  
Model: CE38MB-32
The CE38MB-32 from Dayton Audio is a versatile mini speaker with a black Mylar diaphragm and a 32 ohm impedance, which makes it a great replacement driver for headphones. Features a lightweight and powerful neodymium magnet, and a steel frame.
Key Features
  • Lightweight mylar diaphragm
  • Rugged steel frame with front gasket
  • Powerful neodymium magnet
  • Suitable for headphone applications
  • 32 ohm impedance
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MSRP: $4.99
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Overview

Dayton Audio CE Series CE38MB-32 1-1/2" Mini Speaker Driver Black 32 Ohm

The Commercial Engineering (CE) Series 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.

Featuring a smooth-sounding and feather-light Mylar diaphragm and high 32 ohm impedance, the CE38MB-32 driver is the perfect replacement driver for headphones. The 32 ohm impedance makes it an easy load for the integrated headphone amplifier in most portable music devices and phones, while the 38mm frame replaces most 40 mm nominal size headphone drivers. It’s also a great fit for other low-power mini speaker applications, such as electronic toys, speakerphones, and intercoms.

Note: The Mylar diaphragm is very fragile. To prevent damage, avoid contact with the diaphragm when handling. This driver should be installed behind a grille.

Product Details

BrandDayton Audio
ModelCE38MB-32
Part Number285-131
UPC848791001109
Unit of MeasureEach
Weight0.03

Product Specifications

Nominal Diameter1-1/2"
Power Handling (RMS)0.25 Watts
Power Handling (MAX)0.5 Watts
Impedance32Ω
Frequency Response137 to 20,000Hz
Sensitivity78dB 2.83V/1m
Voice Coil Diameter0.5"

Thiele-Small Parameters

Resonant Frequency (Fs)137.9Hz
DC Resistance (Re)31.98Ω
Voice Coil Inductance (Le)1.31mH
Mechanical Q (Qms)0.66
Electromagnetic Q (Qes)1.15
Total Q (Qts)0.42
Mechanical Compliance of Suspension (Cms)21.3mm/N
BL Product (BL)1.23T·m
Maximum Linear Excursion (Xmax)0.1mm
Surface Area of Cone (Sd)4.9cm²

Materials of Construction

Cone MaterialPoly / Mylar Diaphragm
Basket / Frame MaterialSteel
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter1.57"
Baffle Cutout Diameter1.4"
Depth0.22"

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