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The 28 mm diameter AS02804PR-N50-R features a paper cone and foam surround for classic HiFi sound quality. Four openings on the back plate create forced-air cooling to dissipate heat from the voice coil.
Unit of Measure

Specifications

Available

 N/A {0}

Manufacturer Stock

 N/A {0}

Brands

 N/A PUI Audio™

Manufacturer

 N/A PUI Audio�, Inc.

Excursion

 N/A 2 mm

Thickness

 N/A 7.5 mm

Diameter

 N/A 28 mm

Tolerance (±)

 N/A 0.5 mm

Angle Tolerance (±)

 N/A 3 º

Rated Input Power

 N/A 3 W

Maximum Input Power

 N/A 4 W

Impedance

 N/A 4 Ω

Impedance Tolerance (±)

 N/A 15 %

Sensitivity

 N/A 76.5 dB

Sensitivity Tolerance (±)

 N/A 3 dB

Testing Condition for Sensitivity

 N/A (Sound Pressure Level (SPL) at 3 W/1 m) (800, 1000, 1200, and 1500 Hz)

Maximum Distortion

 N/A <5 %

Testing Condition for Maximum Distortion

 N/A 1 W, 1 kHz

Resonant Frequency

 N/A 350 Hz

Resonant Frequency Tolerance (±)

 N/A 20 %

Frequency Range

 N/A 250 ~ 20000 Hz

Housing Material

 N/A Acrylonitrile Butadiene Styrene (ABS)

Magnet Material

 N/A Neodymium (NdFeB)

Weight

 N/A 10.8 g

Buzz, Rattle, etc.

 N/A Should not be Audible with 3.46 Vpk Sine Wave from 280 Hz to 10 kHz

Polarity

 N/A When Positive Voltage is Applied to the Positive Terminal, the Diaphragm will Move Outward

Operating Temperature

 N/A -20 ~ +60 ºC

Storage Temperature

 N/A -30 ~ +70 ºC

Industry Standards

 N/A Restriction of Hazardous Substances (RoHS) 2011/65/EU

Mechanical Reliability and Environment Testing

High Temperature Test

 N/A 96 hours at +85ºC ± 3ºC followed by six hours in normal room temperature

Low Temperature Test

 N/A 96 hours at -40 ºC ± 3 ºC followed by six hours in normal room temperature

Humidity Test

 N/A 96 hours at +40 ºC ± 3 ºC with relative humidity at 92% to 95% followed by 3 hours in normal room temperature

Vibration Test

 N/A 10-55 to 10 Hz cycles, 15 minutes per cycle.
2 hours in each axis X, Y, and Z.

Drop Test

 N/A Drop the speakers onto a 40 mm thick board 10 times from a height of 75 cm.

Load Test

 N/A Pink noise is applied at the speakers rated power for 96 hours at room temperature

Note for Reliability Testing

 N/A After each test, the speaker's SPL shall be ±3 dB of the original SPL

Features

Features

 N/A
  • Paper cone and foam surround
  • High 76 dB output at 3 W/1 m
  • N50 neodymium motor

Note

Note

 N/A Specifications subject to change or withdrawal without notice.