The mixer plays an important role as the command tower for all of your audio equipment, mixing the input signal from the microphones and the instruments, adjusting the volume and localization, and transmitting the mixed signal to the recorder and the power amplifier.
Mixers range from personal use to recording studio specs, concert venue specs, theaters, broadcast stations, etc., from small-sized ones with limited functions, to those with multiple inputs, to those equipped with equalizers, effectors, etc.. There are various types such as desktop models and installation models. Recently, there are also models equipped with a USB terminals for connecting to a PC and an audio interface function, etc. Please carefully select according to your application, ease of use and budget.
alog mixers, which are the most common mixers, can adjust the volume and tone and output the input audio signal as analog. Some products have digital effects and a USB audio interface.
The input audio signal is converted to digital (A / D) and processed as digital data. Although the size of the unit can be small, it is possible to play multiple tracks (24/48) simultaneously. In addition, digital signals from digital recorders and processors can also be input directly, and the sound quality is not degraded, so they are widely used in the field of audio. Some have internal memory, and fader, equalizer, and aux feed settings, and so on, can be stored for easy use. Note that some products do not have this feature, so be sure to check before making your purchase.
The function of a powered mixer is the same as an analog mixer, but it has a built-in power amplifier and can connect SR speakers directly. Because the settings are simplified, they are useful in small to medium-sized karaoke and concert venues, and so on. They have speaker terminals and phone terminals for connecting speakers.
If you use a condenser microphone, don't forget to check if the mixer has phantom power of the voltage you need!
[Reference]About phantom power
The important point when choosing a relatively small personal-type mixer is to check the number of mics you want to use and the types of instruments, and to narrow down the models that have the necessary inputs. For example, in addition to songs, if you are playing with a sequencer, in addition to the microphone input, you will need at least one LINE input to connect the sequencer. If you want to record a complete drum set with microphones, you will need many microphone inputs.
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