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AS01808MR-LW152-R

18mm Speaker

Mechanical and Environment Testing

Test Description

Test Condition

High Temperature

60°C ±2°C with random humidity for 96 hours

Low Temperature

-25°C ±2°C with random humidity for 96 hours

Humidity

40°C with 90% to 95% relative humidity for 96

hours

Vibration

1.5 mm movement modulated at 10 to 55 Hz for 2

hours

Drop Test

75 cm free fall onto concrete floor, 10 cycles

Temperature Cycle Test

-25°C to 60°C, 5 cycles (refer to Temperature Cycle

Test Graph)

After tests, speaker shall rest for 1 hours. SPL shall not deviate ±4 dB from pre-test measurement.

Temperature Cycle Test Graph

Thiele-Small Parameters

Specification

AS01808MR-R

Fo (Hz)

505.9

Qes

3.695

Qms

2.302

Qts

1.418

Vas (mm^3)

3.1k

156

Mms(g)

0.110

Xmax (mm)

1.5

Re (ohm)

8.39

SPL (dB) @ 1W/1m

72.39

BL (T)

0.89

Frequency Response and SPL Measurement Setup

Temperature Cycle Test Graph