The VPI Stroboscope Speed Control Disc accurately checks your turntable speed! With its large, easy-to-read strobe lines and low price, this is a must have for all vinyl lovers!
Accurately checks Turntable speed.
Three Speeds: 33-1/3; 45 & 78 RPM.
Plus or minus 2% on the 33-1/3.
Large easy-to-read Strobe lines.
For 60Hz Only!