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
84dB±3dBSPL/1.0W/10mmat800、1000、1200、1500Hz.AVE
2-4FREQUENCY
RESPONSE
800±20%HZ
2-5INPUTPOWER
(NOM./MAX.)
1.0W/1.2W
2-6AUDIBLENOISE
Mustbefeeaudiblenoise(buzzesandattles)
(200~10KHzfequencyange,inputlevelupto2.83Vms)
2-7DISTORTION
Lessthan10%at1KHz1.0W
