Navone PD-9A Polarity Checker Phase Detector Self-Test Auto-Off Audio Speaker

Description

PD-9A Audio Polarity Checker (PHASE DETECTOR) from Navone Engineering. The PD-9A is a small, hand-held device that uses an internal microphone to determine the direction of travel of a speaker's cone. When the cone moves towards the microphone (positive), the GREEN light will blink. When the speaker's cone moves away from the microphone (negative), the RED light will blink. This means that the PD-9A can work with speakers behind grills and in walls.
Navone PD-9A Polarity Checker Phase Detector Self-Test Auto-Off Audio Speaker
Description
Our SKU:
5449101302
Item Brand:
Navone
Item MPN:
PD-9A
PD-9A Audio Polarity Checker (PHASE DETECTOR) from Navone Engineering. The PD-9A is a small, hand-held device that uses an internal microphone to determine the direction of travel of a speaker's cone. When the cone moves towards the microphone (positive), the GREEN light will blink. When the speaker's cone moves away from the microphone (negative), the RED light will blink. This means that the PD-9A can work with speakers behind grills and in walls.
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