1-1SCOPE

Thisspecificationisatypicalspeakeunitfotelephonehandset

1-2DIMENSIONS

Asshowninfig(1)

1-3NETWEIGHT

APPROX.1.2gams

1-4OPERATING

TEMPERATURE

-30℃to+70℃

1-5STORAGE

TEMPERATURE

-40℃to+85℃

2.ELECTR0ACOUSTICCHARACTERISTICS

2-1TESTSETUP

Measuingconditionsandpoceduesshowninfig(2)

2-2IMPEDANCE

8Ω±15%ohm(at1KHz,0.9Vms)

2-3SOUNDPRESSURE

LEVEL

82dB±3dBSPL/1W/10mmat800、1000、1200、1500Hz.AVE

2-4FREQUENCY

RESPONSE

800±20%HZ

2-5INPUTPOWER

(NOM./MAX.)

1W/1.2W

2-6AUDIBLENOISE

Mustbefeeaudiblenoise(buzzesandattles)

(200~10KHzfequencyange,inputlevelupto2.83Vms)

2-7DISTORTION

Lessthan10%at1KHz1W