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Introduction TABLE OF CONTENTS Table of Contents 1 Introduction 3 The Alesis Multimix 12R Microphone Preamplifier/Mixer 3 Using this manual 3 Grounding Instructions 4 Installation 5 Unpacking ...5 AC power...5 Grounding 5 Use clean power 6 Power switch 6 Mounting ...6 Connections 7 Inputs ...7 Cable common ...23 Operating Instructions 25 Before turning the mixer on, "zero out' the controls 25 Setting input trim levels 26 PEAK LED method 26 Metering/Unity Gain method 27 Typical Fader and Control Levels 28 Proper gain staging of other equipment 29 Multimix 12R Reference Manual 1
Introduction TABLE OF CONTENTS Table of Contents 1 Introduction 3 The Alesis Multimix 12R Microphone Preamplifier/Mixer 3 Using this manual 3 Grounding Instructions 4 Installation 5 Unpacking ...5 AC power...5 Grounding 5 Use clean power 6 Power switch 6 Mounting ...6 Connections 7 Inputs ...7 Cable common ...23 Operating Instructions 25 Before turning the mixer on, "zero out' the controls 25 Setting input trim levels 26 PEAK LED method 26 Metering/Unity Gain method 27 Typical Fader and Control Levels 28 Proper gain staging of other equipment 29 Multimix 12R Reference Manual 1
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...line inputs, and to route signal to and from external effect processing devices. Multimix 12R Reference Manual 3 As a basic, easy-to-understand mixer, it . It may also be used as their names appear on the Multimix 12R, using all capital letters (Example: [TRIM] control, [PAN] knob,...manual, or the Table of applications from sound reinforcement to multitrack recording. Introduction INTRODUCTION The Alesis Multimix 12R Microphone Preamplifier/Mixer The Alesis Multimix 12R is not complicated to operate, the manual contains information that will appear in a wide variety of Contents....
...line inputs, and to route signal to and from external effect processing devices. Multimix 12R Reference Manual 3 As a basic, easy-to-understand mixer, it . It may also be used as their names appear on the Multimix 12R, using all capital letters (Example: [TRIM] control, [PAN] knob,...manual, or the Table of applications from sound reinforcement to multitrack recording. Introduction INTRODUCTION The Alesis Multimix 12R Microphone Preamplifier/Mixer The Alesis Multimix 12R is not complicated to operate, the manual contains information that will appear in a wide variety of Contents....
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... AC circuit (if the total power load allows) and make sure other balanced units, AC ground potentials will not affect the audio. Grounding CONNECT THE MULTIMIX 12R TO A PROPERLY GROUNDED OUTLET ONLY. If you experience 60-cycle hum in your sound system as a result of literature along with sound system power designs... noise. DO NOT USE ADAPTERS WHICH REMOVE THE SAFETY GROUND PROTECTION OR CUT OFF THE GROUNDING PRONG ON THE POWER CORD. Installation INSTALLATION Unpacking The Multimix 12R box should contain: 1. The mixer itself 2. Multimix 12R Reference Manual 5
... AC circuit (if the total power load allows) and make sure other balanced units, AC ground potentials will not affect the audio. Grounding CONNECT THE MULTIMIX 12R TO A PROPERLY GROUNDED OUTLET ONLY. If you experience 60-cycle hum in your sound system as a result of literature along with sound system power designs... noise. DO NOT USE ADAPTERS WHICH REMOVE THE SAFETY GROUND PROTECTION OR CUT OFF THE GROUNDING PRONG ON THE POWER CORD. Installation INSTALLATION Unpacking The Multimix 12R box should contain: 1. The mixer itself 2. Multimix 12R Reference Manual 5
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... the power switch on or off while the Multimix 12R is connected to the bottom of the Multimix 12R. To avoid scratching a tabletop surface, apply rubber or felt feet to a live amplifier. Mounting The Multimix 12R may be used on the Multimix 12R or other equipment in the rack to the meter... most AC line noise. The mixer may also be rack mounted in a standard EIA 19" rack, occupying three standard 1.75" rack spaces. Note that (as with lighting dimmers, refrigerators, air conditioning units, or other . Installation Use clean power The Multimix 12R's internal power supply is designed...
... the power switch on or off while the Multimix 12R is connected to the bottom of the Multimix 12R. To avoid scratching a tabletop surface, apply rubber or felt feet to a live amplifier. Mounting The Multimix 12R may be used on the Multimix 12R or other equipment in the rack to the meter... most AC line noise. The mixer may also be rack mounted in a standard EIA 19" rack, occupying three standard 1.75" rack spaces. Note that (as with lighting dimmers, refrigerators, air conditioning units, or other . Installation Use clean power The Multimix 12R's internal power supply is designed...
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... If the connectors are low-capacitance shielded cables with AC power cords. • Avoid running audio cables, or placing the Multimix 12R itself, near sources of all mixer problems turn out to be stepped on , make sure the channel fader and [TRIM] are turned all the way down to... contact cleaner before inserting them with the power turned off wherever possible. High quality cables are dirty or corroded, clean them into the Multimix 12R. Multimix 12R Reference Manual 7 Stepping on the wire itself. If something goes wrong, check the cable and its connection to avoid sudden pops and...
... If the connectors are low-capacitance shielded cables with AC power cords. • Avoid running audio cables, or placing the Multimix 12R itself, near sources of all mixer problems turn out to be stepped on , make sure the channel fader and [TRIM] are turned all the way down to... contact cleaner before inserting them with the power turned off wherever possible. High quality cables are dirty or corroded, clean them into the Multimix 12R. Multimix 12R Reference Manual 7 Stepping on the wire itself. If something goes wrong, check the cable and its connection to avoid sudden pops and...
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... connected, you turn up to 60 dB of a line source to work with "pin 2 hot" according to 20 dB more than many other rack-mount mixers). Balanced Mic Input 2 1 Hot 3 Ground Cold Socket (female) The MIC Input is designed to accept a wide range of balanced or unbalanced low impedance input signals... to hear it at the same time. The [MIC] jacks also feature 48 volt phantom power, which may damage the microphone. Connections Microphone Inputs The Alesis Multimix 12R features eight studio-grade, low-noise hybrid microphone preamplifiers.
... connected, you turn up to 60 dB of a line source to work with "pin 2 hot" according to 20 dB more than many other rack-mount mixers). Balanced Mic Input 2 1 Hot 3 Ground Cold Socket (female) The MIC Input is designed to accept a wide range of balanced or unbalanced low impedance input signals... to hear it at the same time. The [MIC] jacks also feature 48 volt phantom power, which may damage the microphone. Connections Microphone Inputs The Alesis Multimix 12R features eight studio-grade, low-noise hybrid microphone preamplifiers.
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.... If any microphones while [PHANTOM POWER] is not possible, make the connections, then turn on the [PHANTOM POWER] switch on the Multimix 12R's back panel to avoid damaging your microphones need phantom power, leave the phantom power switch off . Make all the XLR MIC IN jacks... of microphones (called condenser microphones) require a DC power supply from the mixer. Never connect the MIC jack to an UNBALANCED source or to a linelevel device (such as a tape recorder or synthesizer) when phantom power is applied equally to the Multimix 12R's internal 48 volt phantom power source.
.... If any microphones while [PHANTOM POWER] is not possible, make the connections, then turn on the [PHANTOM POWER] switch on the Multimix 12R's back panel to avoid damaging your microphones need phantom power, leave the phantom power switch off . Make all the XLR MIC IN jacks... of microphones (called condenser microphones) require a DC power supply from the mixer. Never connect the MIC jack to an UNBALANCED source or to a linelevel device (such as a tape recorder or synthesizer) when phantom power is applied equally to the Multimix 12R's internal 48 volt phantom power source.
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... placing the [PHONES/MONITOR] switch in this application, the PA system must be fed from the [MAIN OUT] jacks. This allows you to use the Multimix 12R to monitor a mixdown to a 2track deck through your headphones. (If you plugged your mixdown deck into the main PA system when the front panel MSTR... level signal) through the mixdown deck, so you will be heard from the MONITOR OUT instead of the MAIN OUT jacks, and will hear the mixer's output after it is to the TAPE position. Note that in the TAPE position, you can make sure that it has been passed through the...
... placing the [PHONES/MONITOR] switch in this application, the PA system must be fed from the [MAIN OUT] jacks. This allows you to use the Multimix 12R to monitor a mixdown to a 2track deck through your headphones. (If you plugged your mixdown deck into the main PA system when the front panel MSTR... level signal) through the mixdown deck, so you will be heard from the MONITOR OUT instead of the MAIN OUT jacks, and will hear the mixer's output after it is to the TAPE position. Note that in the TAPE position, you can make sure that it has been passed through the...
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... right outputs of the effect device to the [STEREO AUX RETURN] jacks of the Multimix 12R. • Alternatively, you may be connected to the Multimix 12R mixer. Effects via the INSERT jacks. Connect the AUX 2 (POST) AUX SEND output of the 12R to the input of signal processors which jack is the mono jack. (In most... LINE channels ([9-10 or 11-12].) This will allow you will still get a stereo effect output). 2. Connections How to connect effect devices and signal processors Alesis and other input jack of the effect to the STEREO AUX RETURN.
... right outputs of the effect device to the [STEREO AUX RETURN] jacks of the Multimix 12R. • Alternatively, you may be connected to the Multimix 12R mixer. Effects via the INSERT jacks. Connect the AUX 2 (POST) AUX SEND output of the 12R to the input of signal processors which jack is the mono jack. (In most... LINE channels ([9-10 or 11-12].) This will allow you will still get a stereo effect output). 2. Connections How to connect effect devices and signal processors Alesis and other input jack of the effect to the STEREO AUX RETURN.
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... which is from the ring, check to the output of the processor. 4. Connections (the ring of the Multimix 12R. 3. Connecting an in the processor). If you will not interrupt the flow through , swap the input and... jack is where the cleanest mic preamp signal may also be obtained, without passing through the Multimix 12R if the INSERT jack is plugged in and the signal is interrupted in that loop (by ...one end and two mono 1/4" plugs on one way and if the signal doesn't pass through the mixer, while If not, simply try it will not hear any signal through the EQ or channel circuitry....
... which is from the ring, check to the output of the processor. 4. Connections (the ring of the Multimix 12R. 3. Connecting an in the processor). If you will not interrupt the flow through , swap the input and... jack is where the cleanest mic preamp signal may also be obtained, without passing through the Multimix 12R if the INSERT jack is plugged in and the signal is interrupted in that loop (by ...one end and two mono 1/4" plugs on one way and if the signal doesn't pass through the mixer, while If not, simply try it will not hear any signal through the EQ or channel circuitry....
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This will allow playback monitoring of the mixer. Connections providing a direct output. Or, put the recorder into INPUT mode and insert the plug all the way, connecting the input and output of each track of the recorder into each channel path of the recorder. For more information. Multimix 12R Reference Manual 17 See the Applications chapter for more information on using the AUX and INSERT systems, see the "Operating Instructions" chapter of this manual.
This will allow playback monitoring of the mixer. Connections providing a direct output. Or, put the recorder into INPUT mode and insert the plug all the way, connecting the input and output of each track of the recorder into each channel path of the recorder. For more information. Multimix 12R Reference Manual 17 See the Applications chapter for more information on using the AUX and INSERT systems, see the "Operating Instructions" chapter of this manual.
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...the mixer and the amp to the side you to your amplifier can accept balanced inputs. Connections Outputs To a stereo PA system or instrument amplifier Balanced Check to the amp input, in the same manner as above. If so, connect the [MAIN OUT BALANCED] jacks of the Multimix 12R to...Headphone cue feed for a separate region of the system. In most stage monitor situations, we recommend connecting a third-octave graphic equalizer such as the Alesis MEQ-230 between hearing 2-track playback and the stereo output of the amp using . sometimes an XLR or terminal strip) on one end, and ...
...the mixer and the amp to the side you to your amplifier can accept balanced inputs. Connections Outputs To a stereo PA system or instrument amplifier Balanced Check to the amp input, in the same manner as above. If so, connect the [MAIN OUT BALANCED] jacks of the Multimix 12R to...Headphone cue feed for a separate region of the system. In most stage monitor situations, we recommend connecting a third-octave graphic equalizer such as the Alesis MEQ-230 between hearing 2-track playback and the stereo output of the amp using . sometimes an XLR or terminal strip) on one end, and ...
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... level those . You may be affected by the [PHONES/MONITOR] level control on the other mixer's line inputs. • If the inputs are designed for more information. Multimix 12R Reference Manual 19 Connections To another mixer The main or monitor outputs of the cassette deck using the [TAPE IN] jacks to the ...10 dBV] phono jacks to the left and right inputs of the Multimix 12R may need to adjust the input trim of the Multimix 12R to two line-level inputs on the front panel. If you run the risk of the other mixer to get the best dynamic range. To a stereo tape recorder If ...
... level those . You may be affected by the [PHONES/MONITOR] level control on the other mixer's line inputs. • If the inputs are designed for more information. Multimix 12R Reference Manual 19 Connections To another mixer The main or monitor outputs of the cassette deck using the [TAPE IN] jacks to the ...10 dBV] phono jacks to the left and right inputs of the Multimix 12R may need to adjust the input trim of the Multimix 12R to two line-level inputs on the front panel. If you run the risk of the other mixer to get the best dynamic range. To a stereo tape recorder If ...
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...ADAT manual for the ADAT inputs; If you have an ADAT-XT, use the Multimix 12R with ADAT: a single mixer with an ADAT-XT and a Multimix 12R is a unity-gain device, it will not affect the levels going through the mixer, the ADAT track must be in each track of the recorder were a signal ...processor in RECORD READY or INPUT mode. the channel faders, EQ, and aux sends of the mixer. These cables feature a...
...ADAT manual for the ADAT inputs; If you have an ADAT-XT, use the Multimix 12R with ADAT: a single mixer with an ADAT-XT and a Multimix 12R is a unity-gain device, it will not affect the levels going through the mixer, the ADAT track must be in each track of the recorder were a signal ...processor in RECORD READY or INPUT mode. the channel faders, EQ, and aux sends of the mixer. These cables feature a...
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...if you can do the job more flexibility: The in-line method may be used for more quietly and in channels 2-8 of the mixer to tracks 2-8 of tracks, two Multimix 12Rs can 't hear output from the ring, check to the output of the ADAT. Plug the -10 dBV MAIN OUT jacks of ... PUNCH IN/OUT 3 4 5 DIGITAL IN OUT 6 7 IN 8 SYNC INPUT OUTPUT OUT Using two Multimix 12Rs for recording one way and play a prerecorded tape from the ring connector to see if the cable box has that information. One 12R is the "source" mixer which feeds the ADAT's inputs, and the other is the "monitor/mixdown...
...if you can do the job more flexibility: The in-line method may be used for more quietly and in channels 2-8 of the mixer to tracks 2-8 of tracks, two Multimix 12Rs can 't hear output from the ring, check to the output of the ADAT. Plug the -10 dBV MAIN OUT jacks of ... PUNCH IN/OUT 3 4 5 DIGITAL IN OUT 6 7 IN 8 SYNC INPUT OUTPUT OUT Using two Multimix 12Rs for recording one way and play a prerecorded tape from the ring connector to see if the cable box has that information. One 12R is the "source" mixer which feeds the ADAT's inputs, and the other is the "monitor/mixdown...
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... 2. Plug track outputs 1-8 of the ADAT to LINE IN 1-8 of the "monitor/mixdown" 12R. The left of the ADAT, but on other tracks without repatching. Note that output 1 is on the left output of the mixer will be recorded on any track. This way, you can record a stereo mix of several...a mono cable from the stereo mix. Connections • Because the ADAT has normalled inputs, the stereo output of the source mixer may be removed from the INSERT jack of any channels of the mixer to the input of any two tracks while simultaneously recording individual sources on the right of the...
... 2. Plug track outputs 1-8 of the ADAT to LINE IN 1-8 of the "monitor/mixdown" 12R. The left of the ADAT, but on other tracks without repatching. Note that output 1 is on the left output of the mixer will be recorded on any track. This way, you can record a stereo mix of several...a mono cable from the stereo mix. Connections • Because the ADAT has normalled inputs, the stereo output of the source mixer may be removed from the INSERT jack of any channels of the mixer to the input of any two tracks while simultaneously recording individual sources on the right of the...
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... panel [MSTR/TAPE] switch is after the front panel PHONES level control. However, connect the monitor output to reasonable levels, if the mixer is designed for most stereo headphones. Multimix 12R Reference Manual 23 The internal headphone amplifier outputs the maximum power allowed by safety standards. Monitor Out The [MONITOR OUT] jacks give...
... panel [MSTR/TAPE] switch is after the front panel PHONES level control. However, connect the monitor output to reasonable levels, if the mixer is designed for most stereo headphones. Multimix 12R Reference Manual 23 The internal headphone amplifier outputs the maximum power allowed by safety standards. Monitor Out The [MONITOR OUT] jacks give...
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Bring all channel faders and the [MASTER] fader down to minimum (full counterclockwise). 4. Set all [TRIM] controls to minimum. 3. Multimix 12R Reference Manual 25 Operating Instructions OPERATING INSTRUCTIONS Before turning the mixer on, "zero out' the controls To avoid surprises while you're setting up a new system, set all controls to "12 o'clock".... described in the previous chapter. 2. Set all connections to minimum (full counterclockwise). 5. Make all [AUX 1], [AUX 2], STEREO AUX RETURN, [PHONES/MONITOR] controls to the Multimix 12R, as follows before proceeding: 1.
Bring all channel faders and the [MASTER] fader down to minimum (full counterclockwise). 4. Set all [TRIM] controls to minimum. 3. Multimix 12R Reference Manual 25 Operating Instructions OPERATING INSTRUCTIONS Before turning the mixer on, "zero out' the controls To avoid surprises while you're setting up a new system, set all controls to "12 o'clock".... described in the previous chapter. 2. Set all connections to minimum (full counterclockwise). 5. Make all [AUX 1], [AUX 2], STEREO AUX RETURN, [PHONES/MONITOR] controls to the Multimix 12R, as follows before proceeding: 1.
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...on a stereo channel, it does NOT necessarily mean that distortion has occurred. Instead of doing this case you must lower the output level of the mixer. In situations where the maximum signal-to-noise ratio is required (such as digital recording), use an external pad, or repatch to a LINE IN...get the signal as loud as possible as early as possible. If you will determine the gain of clipping. If a microphone is the source, the Multimix 12R's [TRIM] control will be distortion even if the channel faders are raised to get the signal loud enough, you 've plugged a synthesizer or ...
...on a stereo channel, it does NOT necessarily mean that distortion has occurred. Instead of doing this case you must lower the output level of the mixer. In situations where the maximum signal-to-noise ratio is required (such as digital recording), use an external pad, or repatch to a LINE IN...get the signal as loud as possible as early as possible. If you will determine the gain of clipping. If a microphone is the source, the Multimix 12R's [TRIM] control will be distortion even if the channel faders are raised to get the signal loud enough, you 've plugged a synthesizer or ...
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... dB gain, a range that should be amplified a great deal. It also allows for a graphic display of the gain structure of the mixer. Unity gain points Unlike many other mixers, the Multimix 12R's [MASTER] fader is designed for more information.) Operating Instructions Typical Fader and Control Levels Ideally, after you have set the [TRIM] controls...
... dB gain, a range that should be amplified a great deal. It also allows for a graphic display of the gain structure of the mixer. Unity gain points Unlike many other mixers, the Multimix 12R's [MASTER] fader is designed for more information.) Operating Instructions Typical Fader and Control Levels Ideally, after you have set the [TRIM] controls...