Strobe Discs

Use these free strobe discs to check the running speed of your turntable and adjust as neccasary.

Instructions

(1) Select the correct mains frequency for your country

(2) Print out the speed disc to the desired size

(3) Cut a 7.25mm hole in the centre for the spindle

(4) View the disc under standard tungsten room lamp

(5) Bars should appear stationary

Downloads

50hz 33⅓ / 45rpm strobe disc

50hz 16⅔ / 33⅓ / 45 / 78 rpm strobe disc

60hz 33⅓ / 45rpm strobe disc

60hz 16⅔ / 33⅓ / 45 / 78 rpm strobe disc

60hz 33⅓ / 45 / 78 rpm Lenline Universal strobe disc

60hz 33⅓ / 45 / 78 rpm Robins phono strobe disc

Map of worldwide mains frequencies

To view PDF files the latest version of acrobat reader is required.