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> Speaker/microphone automatic polarity tester MP5991
Speaker/microphone automatic polarity tester MP5991
Speaker/Microphone Automatic Polarity Tester MP5991
Pulse amplitude: >10vp-p (Output range at High )
Output amplitude at High : Normally for speaker.
Low : Polyester resin (MYLAR)
For speaker or moving-coil receiver
Transducer microphone: Condenser microphone
Buzzer: May shift + or - alarm
Test sensitivity: >=25cm C Speaker
Identification speed: 0.2 second
