MODEL: SP-1609S

PRODUCT: Dynamic Speaker

EDITION: A/2016

RELIABILITY TESTS

The sound pressure as specified shall neither deviate more than ±3dB from the initial value, nor have any significant damage after any of

following testing.

HIGH TEMPERATURE TEST

high temperature

duration

96 hours

LOW TEMPERATURE TEST

low temperature

duration

96 hours

HEAT SHOCK TEST (See in Fig.3)

high temperature

low temperature

duration

1 hour (high), 1 hour (low)

changeover time

< 20 seconds

cycle

10

HUMIDITY TEST

temperature

relative humidity

90~95%

duration

96 hours

TEMPERATURE CYCLE TEST (See in Fig.4)

temperature

duration

45 minutes 45 minutes

temperature gradient

cycle

10

DROP TEST

mounted with dummy set

mass

100 g

height

1.5 m

cycle

6 (1 each plain) onto the concrete board

LOAD TEST

noise signal

White noise (EIA filter)

input power

0.7 W (1CC BOX) (2.37Vrms)

duration

96 hours

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