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AS04004PR-R

40mm 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 (±2°C) with 90% to 95% relative humidity for

48 hours

Vibration

1.5 mm movement modulated at 30 Hz (±15 Hz)

for 3 hours

Drop Test

75 cm free fall onto concrete floor, 10 cycles

After tests, speaker shall rest for 1 hour. SPL shall not deviate ±3 dB from pre-test measurement.

Temperature Cycle Test

-25°C to 60°C, 4 cycles (refer to Temperature Cycle

Test Graph)

After test, speaker shall rest for 1 hour. SPL shall not deviate ±3 dB from pre-test measurement.

Thiele-Small Parameters

Specification

AS04004PR-R

Fo (Hz)

199

Qes

1.08

Qms

5.86

Qts

0.91

Vas (

134

922

Mms (mg)

900

Xmax (mm)

0.8

Re (ohm)

4.13

SPL (dB) 1W/1M

80.5

BL (T)

1.5

Frequency Response and SPL Measurement Setup

Temperature Cycle Test Graph