Later, the gramophone record with modulated spiral grooves set atop a rotating turntable. Some combination systems include a basic turntable, a CD player, a cassette deck. It represented a culmination of Technics Turntable Innovations. The most influential turntable was the Technics SL-1200. The system required a compatible cartridge to capture it on carefully calibrated pickup arm/turntable combinations. DJ Kwestion mainly scratches choruses on the turntable. A cake turntable (or rotating tray) can be used when decorating a cake. It also plays CDs with features similar to the regular CDJ-1000 CD turntable. He imagined an observer performing experiments on a rotating turntable. Inexpensive record players typically used a flanged steel stamping for the turntable structure. Sharp Corporation introduced the first microwave oven with a turntable between 1964 and 1966. Hz could be boosted somewhat to override system hum and turntable rumble noises. One interesting exception was a horizontal seven inch turntable. The resources it takes to produce one incredible linear turntable could produce several excellent ones. It is made from moving the record on the turntable by hand.