AUHX Turntable Strobe Mat, ABS Speed Detection Disc for Vinyl Record Player Calibration, 33/45/78 RPM, 50/60Hz, Black and White

Professional: Specially designed to detect the speed of LP records and adjust the position of the cartridge and stylus so that you can enjoy high quality sound. Speed Adjustment The speed of this record player calibration strobe disc can be 33, 45, 78 RPM, with 50 or 60Hz frequency speed detection and adjustment. Double-sided tachometer - One side of the calibration strobe disc of this record player is the speed measurement function, and the other side is the head angle calibration function. CONVENIENT - This calibration strobe disc is an indispensable tuning tool for LP record lovers. It is convenient and versatile, and it is convenient to debug the machine. Simple operation: place the disc on the plate, turn on the light, then adjust the speed control of the turntable until the pattern on the disc does not move.