①The sequence of turning on and off the device
From audio source devices (CD players, DVD players, etc.), audio processing
devices (effects, etc.) to power amplifiers to TV sets and projectors. The
sequence is reversed when shutting down, the power amplifier should be turned
off first. This operation can prevent the impact of switching on and off the
equipment, and prevent the power amplifier and speakers from being burned.
②Debugging
A. The volume of the power amplifier [microphone (including fine-tuning),
music] potentiometer is adjusted to the appropriate position.
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B. The sound quality compensation knobs are placed in the middle
position.
C. First test the sensitivity and dynamic performance of the microphone,
and then add reverberation and accompaniment music to sing. After the
reverberation process, the singing should be more rounded, plump and layered
than the original song, with a sense of presence.
D. Test accompaniment music: The accompaniment music is turned on to the
normal working volume; however, it should be noted that the volume is moderately
pleasing to the ear, and it is easy to make people tired and unbearable if the
loudness is too large. (The tuner should listen to the effects in different
positions. For example, the stereo image, sound quality, etc., the tracks played
should be familiar ones). The requirements for the music effect should be strong
and aesthetic, the treble should not be harsh, the bass should not be turbid,
and the singing should be clear, such as the sibilance of a female voice, but it
should not be too heavy.
E. Pay attention to the original singing voice when singing formally.
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