Speaker/Microphone Automatic Polarity Tester, MP5991

Speaker/Microphone Automatic Polarity Tester MP5991
Technical Contents Description
Pulse width: 0.4[+-0.2ms]
Pulse amplitude: >10vp-p
Output Amplitude HIGH (for speaker)
LOW (Polyster Resin & for speaker-moving coil receiver)
MEDIUM (for dome speaker)
Transducer Microphone Condenser Microphone
Buzzzer May shift + or – alarm
Test Sensitivity >=25cm-speaker
Identification speed: 0.2 sec

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