Abstract: This invention concerns a device for feedback control of a digital audio apparatus, from a monitoring record support turntable. The turntable is that of a fine groove record player equipped with a transducer, the monitoring record (101) comprises a fine groove (102) with at least one track which is closed at least partly on itself in a loop, to deliver continuously cyclic data from a uniformly asymmetric signal provided along the track of at least one groove, for feedback control of the digital audio apparatus in playing sped in accordance with the playing speed of the uniformity of the monitoring record signal as well as in the playing direction in accordance with the configuration of the signal of the monitoring record gradually played in one direction or other of said signal by the transducer of the fine groove record player.