Mixer Sound System is an Audio equipment to mix audio from multiple sources of input into the unity of a good sound output (the best). The use of professional technical persons call it sound system Mixer Console or audio mixer. On this page we can figure out a basic introduction of the audio mixer. Usually there are various Mxer on button, Jack and also the switch, and we can know the function of the buttons and connector that's located on the panels of this equipment.
Broadly, the Mixer is used in various purposes of mixing audio signals. We can be found in various places such as system calls, public radio and television broadcasting studio, recording studio, sound system, stage, orgen. If no Mixer it seemed impossible when we wear Power Amplifier + Speakers to strengthen the vocal one only and use another Amplifier for voices (other musical equipment) in one area only. Perhaps, if there are ten vowels (10 Mic) then we will use 10 Power Amplifier as well. Less efficient, isn't it?
Transmit Microphone to Channel Mixer
Audio Mixer will become the most important part in collecting sounds from each microphone attached to input audio channel (that goes through the channel mixer). On the channel we can set the magnitude of sound level and also Tone of voice so good sound level balance of vocals or music we can get this audio signal before it is amplified by the Power Amplifier and then to the Loudspeaker.
Various Audio Mixer
Audio Mixer Console is divided into two kinds, namely
Analog Mixer Console
Digital Mixer
Console disngkat DMC Analog Mixer Consul was a regular in the conventional mixer settings directly into the electronic device in the form of Variable Resistor with the way large and small change value prisoners on a circuit which is set
Digital mixer or mixer mixer is a Hybrid in its settings using the menu digital electronic device through Micro Processor through our fingers.
Mixer Console in the use of professional audio systems with either Analog or Digital, is a functioning electronic equipment blending (mixing) of multiple channel active, adjust the sound level or in terms of the frequency at active channel path to parent channels resulting in a combination of outputs. The signals that have been corroborated by later gives the amplifier or power Amplifier that is routed to the Loudspeaker.
The mixer is one of the most vital device in the sound system which more get a touch of the hand of the operator both in check sound as well as the time of a live show. Mixer functions are indeed mixing all kinds of sound that goes through the channel and then balance it and make it a two-channel stereo (left and right), then send it to the EQ, Crossover and then headed to the Power Amplifier to the speaker and the last System.
Audio Mixer and function Buttons
Line inputs on channels (channel Mixer) is usually divided into several parts:
Input Jack to Jack Connector
The front of the Microphone and the amplifier input control, consisting of IC Op Amp.
Channel EQ (High, Middle High, Mid, and Low). Bass-Middle-Treble
Part of branching (Router) which are forwarded to the position of the connection on the Direct Outs, Aux Sends, Panning control (balance) and Addresing Sub Group
Output Level Faders Control
Sub Group Faders
Output controls include Master level controls, EQ and or Matrix routing.
A Basic Introduction To The Mixer Sound System
In an Audio Mixer there are the order of the columns in series from top to bottom, this is called a Channel. In this position we can see there is a Jack for input (on top) that normally use XLR Female TRS and (Phone) Jack. Jack XLR Plug serves to Jack Microphone or other Audio source. At the bottom there is a Gain or Sensitive, Treble Level (High), the Middle Level (Mid), Mid Freq, Low Freq Level, Low, AUX 1, AUX 2, Panpot (the Balance Center) and sliding it to the Volume up and down.
Most factories make this Mixer with at least 4 Channel Mic Input (XLR Jack), but there are also 12 CH 16 CH, 24 CH, CH 32 CH, 48, and there is also a 60 Channel. Sometimes this tool also comes with a one-or two-Channel Stereo. On this channel we can install input that comes from a DVD, Laptop, Keyboard and more. Switch perchannel Switch/facilities there is a Mute Button, LPF button (ON/OFF), Switch Audio SUB/MAIN Out.
In this current era of Sound system Operators who are already experienced in using Digital Audio Mixer Console (DMC) which functions the same but uses Processing Settings Menu displays. This process is not a conventional way should rotate button. Mixer that we discussed this time is to know and organize your Audio Mixer for conventional work system which is commonly used by the technicians.
Channel Monaural Input Jack-Jack Cannon Connector Stereo
Before stepping on the function buttons, switches, and jack on the Mixer it's good you understand about channel monaural and stereo. On channel Monaural (Mono) contained jack with connection consists of two phase polarity. Parts of mono input channels consists of: Mic Input XLR jacks by using (Jack Cannon Connector for Stereo). This section is used to install the mic connection or other audio tools. Jack has a three Pin connection. Each Pin numbering there are: 1, 2, and 3. The legs are intended to signal the position of the placement of positive, negative and ground with typical description as follows;
Pin 1 to Ground
Pin 2 to Positive Phase, (red/blue)
Pin 3 to Phase Negative (white)
Key functions of the player, Jacks, switches and Indicator Display on Mixer
In the mixer, there is equipment that consists of the player buttons, Jacks, switches (switch) and the sliding button (Slider) Conditions the order button each factory sometimes vary by giving specific color for the button pemutarnya. Gradually we will describe below.
1. Input Jack Channel
This channel Input connector using a Jack XLR Female TRS Phone Jack and. Functions and their connection to connect the input from the Microphone.
The function of the Jack Input Channel on your Audio Mixer
We can also connect other audio input Jack XLR/TRS however should control the level of Gain. On this input channel can we install or plug the audio source from Wireless Microphone.
2. Insert Channel Jack
Jack Insert Point. On some of the more professional mixer there are two parts i.e. the Insert the Insert Send and Return, but on the standard mixer then this section there is only one i.e. the insert i/o (input/output). This section can be used to connect a signal coming from an external processor such as EQ, Compressor/Limiter/Gate.
3. Direct Out Jack's Channel
The Function Of The Direct Out Jack (Dir). Jack is often used to transmit the audio signal directly to be recorded on a multi-track recording, or sometimes used by sound-man in connecting channels to the channel Mixer to another, usually from a mixer stage to FOH Mixer. The term is a channel to channel connection.
4. LOW Cut Switch Function
Low Cut button a On/Off switch. Low cut switch this function is to cut the signal containing the low tone at a specific value. The term in electronics engineering is a High Pass Filter (HPF). When written in a box 80 Hz this means this tool to filter out and then cut off the signal tone under frequency 80 Hz, or there are also 100 Hz. In practice, the use of this button can be used to reduce sound pressure wind gusts from the mouth users of the Mic. Please note that do not turn the switch position at mode ON when playing music on the channel we are the tide as it will drown out the sound of the bass deef.
5. Button the player Gains or Sensitive (Sens)
The function is Sensitive to the Gain or sensitivity and meyesuaikan power input source. The input source without strengthening for example of Microphone and Guitar, Spool position of the Gain would advance to the right direction in units of dBu. Gain or Sens will provide sufficient reinforcement room width at the level of the front Pre amp channel Mixer.
On the setting of the reinforcement in the form of Keyboard, VCD Player or Computer then we should be setting the Gain Sensitive must be below 0 dB to avoid Overload level on the reinforcement of the end at the Main Mixer, the sounds we hear are slightly broken when exceeding the level above 0 to 3 dB.
So the gate input gain is the most important and critical because this is where the commencement of all sound quality begins. Do your best to keep each input remains in this condition because of noise and distortion will flow on to the whole system and create a sound so distracted. When it turns out that the input gain is very large or even too big sehigga once we reduce the still too strong, then to mengantisifasinya by pressing the switch button PAD on the mixer (when there are these facilities) that its function is to lower the the gain of the input signal/sound pressure levels start – 20 dB to 30 dB.
5. Button the player Equalizer (EQ)
In the Mixer, pelebelan EQ is divided into several settings, button-shaped round level by potentiometers (Variable Resistors) with its own colours, namely;
High,
Key functions of the player is to arrange high-frequency width sensitivity. You can set the tone of voice you want on a high note.
Mid,
Key functions of the player is to set the width of the Middle-frequency sensitivity. You can set up a medium tone of voice you want on the middle tone.
Mid Freq.,
Middle Frequency function to set the width of the frequency range Mid Frequency mid tone special. you want can be set on these keys. (Not all Mixers are equipped with this facility).
Low,
Key functions of the player is to set the width sensitivity low frequency or bass.
6. Button the player Level AUX 1, AUX 2
Function knob Aux 1 and Aux 2 is for sending output on audio components that you want, for example you can send external FX or send another penyuaraan system, suppose that enables it as a control Monitor speakers.
7. FX Send Level Player Button (FX signal Delivery)
This button serves to transmit how big and small internal FX sound level on the Mixer. You can raise or turn down the sensitivity of Dry and Wet on the master system or the Mixer. To find out how these FX sound delivery process we discuss at the meeting.
8. Switch the PFL (Pre Fade Listening)
PFL (Pre Fade Listening) which means we are able to listen to sound without affected by fade channel, or we can listen to the sound without a big small positions affected by the fader. This section is often used by engineers sound system to control how big the voice signal individually through headphones.
Button this switch position the active role to a Channel whose existence can be known when pressing this button one by one in the channel mixer. Active audio information audible in headphones and also appears on the LED indicator. Usually when pressing the PFL will be connected to the LED Display and indicators also punctuated the sound in Phone Output (Headphone). On most product name mixer knobs PFL is sometimes written with a SOLO.
9. PAN Player Button
Pan length from Panpot (Panoramic Control). The Pan knob function the same as the Balance is to direct the polarizing voice will you place, whether in the center position, one in the left position (L) or right (R).
10. Button Switch SUB/MAIN
This button to place the goal toward which the signal sound output we will distribute. When this switch is pressed the sound signal will switch positions in the direction of the US press did towards the Main Output or Sub Group. It could be a Sub or a Group we are disabled as a Monitor speaker.
11. Button slide the Channel Level Control (Channel Volume)
This button serves to raise and downplay how big level. audio on channel that we set.
12. the MAIN Master Level Control
This button serves to raise or shrink the whole audio signal of all active channel mixing we connect to the Main Output. The main output will be connected to the main Speaker that we install.
13. PHONE Jack
The function of Phones (Headphones) is to install the device the Headset on your ear. When will raise or turn down the sound can be regulated through the Volume buttons rotate nearest to the jack. The headphones later serve to monitor the vote good as primary sound has entered into master or parent as the controlling channel when pressing the PFL. We can also set the tone or sound frequency in more detail at your hearing.
14. Jack AUX 1 and AUX 2
This Jack will work when we set the level of the Aux 1 or Aux 2. Just look at number 6 above. Jack serves to connect the connection cables between the mixer to the other device.
15. Rec Output
The function of the Rec (Recording) output is to transmit the signal on recording equipment. Signal output rec parent part is connected to the mixing. Today the use of recording is already using a computer by using the application program recording.
Need specific knowledge in menerapakan recording using the Rec out, we must understand the comparison factor strengthening in units of dB. Comparison of the output is too high leads to overload on a recording.
16. LED Indicator Display
Function Indicator LED Display was to show the position of the strength of the audio signal on the Master position of the Main Output (mains output) as a whole. It is also to see how big the intensity of the audio channel when we press the button PFL. Displaying this on the dB unit when the lamp indicator or needle play or flashing. Need to be a concern is the moment the lights on in the yellow to red, because the signal strength at the position this will give encouragement to excessive input on a Power Amplifier, will certainly result in less well on the Main output of the speakers. Led display was instrumental in pensettingan sound system.
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