Record Player Strobe Disc Calibration Tachometer For 33RPM 45RPM Turntabl BLW

Function: For 33RPM 45RPM Turntable Rotational Speed Detection. Feature: 1. Item Type: Turntable Strobe Disc. EASY : Put the record on the disc, turn on the light, and then adjust the speed of the turntable until the pattern on the disc does not move.

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