Speed settings
There are three main speed settings for vinyl players. 33 1/3rpm is the most common playback speed for 12-inch vinyl – you need it on your turntable or record player. 45rpm is the speed for 7-inch records – you need this too. 78rpm is the speed for shellac records and is far more uncommon as not many 78rpm records were ever produced. Be sure that the vinyl player you buy can play the records in your collection.