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TypeofTest

TestSpecifications

HighTemperatureTest

200hoursat+60°C±3°Cfollowedbytwohours

innormalroomtemperature

LowTemperatureTest

200hoursat‐20°C±3°Cfollowedbytwohours

innormalroomtemperature

HumidityTest

200hoursat+40°C±3°Cwithrelativehumidity

at90%to95%followedby2hoursinnormal

roomtemperature

TemperatureCycleTesting

30minutesat‐25°C,10minutesat20°C,30

minutesat+70°C, 10 minutes at 20°C for five

cycles, followed by 2 hours in normal room

temperature

VibrationTest

10to55Hzfor1minutewith1.52mmdistance,

followedbyatwo‐hour3axistestinpackaging

DropTest

Dropmicrophonesinpackagingontoconcrete

floorfrom1‐meterheightineachof3‐axis

ESDTest(accordingtoIEC6100)

1. Contactdischarge‐Discharge6000VDC

fromcapacitorintomicrophoneoutput

through330Ωresistortentimes.

2. Airdischarge‐Discharge8000VDCinto

soundholeofthemicrophonetentimes.

Aftereachtest,thespeaker’sSPLshallbe±3dBoftheoriginalSPL

Dimensions

RecommendedDriveCircuit