Speaker Polarity checker with tweeter checking OPC-488 Onsoku
Mã sản phẩm:
OPC-488
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This unit checks the polarities of loudspeaker units and open voice-coil for tweeters of the speaker system.
The result of a check is shown with a green(GO) or red(NG) LED indicator within approximately 0.2seconds.
An external signal can be inputted when the selector switch is set so.