Reference Manual
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...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 sense 7 Microphone Inputs 8 Phantom power 9 Line-level devices (synthesizers, CD players, video 10 TAPE IN jacks 12... Phonograph turntables 13 Do not connect any of the following to any input of the Multimix 12R 13 How to connect effect devices and signal processors 14 Effects ...
...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 sense 7 Microphone Inputs 8 Phantom power 9 Line-level devices (synthesizers, CD players, video 10 TAPE IN jacks 12... Phonograph turntables 13 Do not connect any of the following to any input of the Multimix 12R 13 How to connect effect devices and signal processors 14 Effects ...
Reference Manual
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...used in a wide variety of Contents. This symbol indicates that this manual. It may also be used as their names appear on the Multimix 12R, using all capital letters (Example: [TRIM] control, [PAN] knob, [PHONES] jack, etc.). ✪ When something important appears... to multitrack recording. It is a high-quality, rack-mountable 12-input, stereo output audio mixer. As a basic, easy-to-understand mixer, it . Introduction INTRODUCTION The Alesis Multimix 12R Microphone Preamplifier/Mixer The Alesis Multimix 12R is designed to handle eight microphones, two stereo line inputs, ...
...used in a wide variety of Contents. This symbol indicates that this manual. It may also be used as their names appear on the Multimix 12R, using all capital letters (Example: [TRIM] control, [PAN] knob, [PHONES] jack, etc.). ✪ When something important appears... to multitrack recording. It is a high-quality, rack-mountable 12-input, stereo output audio mixer. As a basic, easy-to-understand mixer, it . Introduction INTRODUCTION The Alesis Multimix 12R Microphone Preamplifier/Mixer The Alesis Multimix 12R is designed to handle eight microphones, two stereo line inputs, ...
Reference Manual
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...CD players operate at approximately the 1 o'clock position. These may sound better if they're plugged directly into the STEREO LINE channels (9/10 and 11/12) if possible. Electric guitars and basses may be plugged directly into the [LINE IN] jacks, if you crank up to 50 dB when the ...to maximum) for guitar use. Plug the output of such preamps into the same channel. They have a 2conductor output jack that is about 1/3 of the Multimix 12R's [LINE IN] jacks, with the [TRIM] level set to handle two sources at the same time. The inputs are set at this level. If you...
...CD players operate at approximately the 1 o'clock position. These may sound better if they're plugged directly into the STEREO LINE channels (9/10 and 11/12) if possible. Electric guitars and basses may be plugged directly into the [LINE IN] jacks, if you crank up to 50 dB when the ...to maximum) for guitar use. Plug the output of such preamps into the same channel. They have a 2conductor output jack that is about 1/3 of the Multimix 12R's [LINE IN] jacks, with the [TRIM] level set to handle two sources at the same time. The inputs are set at this level. If you...
Reference Manual
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... line source into a line input is approximately 11 o'clock (12 o'clock on ). Alesis cannot be responsible for a +4 dBu signal plugged into the mic jack. Balanced sources often feature XLR outputs. The [LINE IN] jack on the Alesis Multimix 12R may be connected to +32 dBu without clipping, a headroom ...advantage of 20 dB. However, they should NOT be connected to start with the [TRIM] control full counter-clockwise is +12 dBu before clipping, so there's only 8...
... line source into a line input is approximately 11 o'clock (12 o'clock on ). Alesis cannot be responsible for a +4 dBu signal plugged into the mic jack. Balanced sources often feature XLR outputs. The [LINE IN] jack on the Alesis Multimix 12R may be connected to +32 dBu without clipping, a headroom ...advantage of 20 dB. However, they should NOT be connected to start with the [TRIM] control full counter-clockwise is +12 dBu before clipping, so there's only 8...
Reference Manual
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Plug the outputs of the preamp into the LINE IN 9-10 or 11-12 inputs of any input of the Multimix 12R! • The speaker output of the Multimix 12R. Do not connect any of the following to any power amplifier. • Any source that is too loud for the input (no more than 3 ...volts RMS into a [MIC] jack or 13 volts RMS into a [LINE IN] jack). • Any unshielded cable. Multimix 12R Reference Manual 13 Plug the outputs of the Multimix 12R (well, you can, but it will sound very thin and noisy). Obtain a phono preamp from your dealer or an electronics specialty...
Plug the outputs of the preamp into the LINE IN 9-10 or 11-12 inputs of any input of the Multimix 12R! • The speaker output of the Multimix 12R. Do not connect any of the following to any power amplifier. • Any source that is too loud for the input (no more than 3 ...volts RMS into a [MIC] jack or 13 volts RMS into a [LINE IN] jack). • Any unshielded cable. Multimix 12R Reference Manual 13 Plug the outputs of the Multimix 12R (well, you can, but it will sound very thin and noisy). Obtain a phono preamp from your dealer or an electronics specialty...
Reference Manual
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... the effect device to either of the STEREO LINE channels ([9-10 or 11-12].) This will still get a stereo effect output). 2. Connect the left and right outputs of the effect device to the [STEREO AUX RETURN] jacks of the Multimix 12R. • Alternatively, you to control the effect with a large fader, ... to the left (mono) input of the effect unit, but you will allow you may be connected to the Multimix 12R mixer. Connections How to connect effect devices and signal processors Alesis and other input jack of the device, but you will still connect both the left and right outputs of the...
... the effect device to either of the STEREO LINE channels ([9-10 or 11-12].) This will still get a stereo effect output). 2. Connect the left and right outputs of the effect device to the [STEREO AUX RETURN] jacks of the Multimix 12R. • Alternatively, you to control the effect with a large fader, ... to the left (mono) input of the effect unit, but you will allow you may be connected to the Multimix 12R mixer. Connections How to connect effect devices and signal processors Alesis and other input jack of the device, but you will still connect both the left and right outputs of the...
Reference Manual
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... follows before proceeding: 1. Make all [HIGH] and [LOW] EQ, [PAN], and [BAL] controls to "12 o'clock". Set all channel faders and the [MASTER] fader down to minimum. 3. Multimix 12R Reference Manual 25 Bring all [TRIM] controls to minimum (full counterclockwise). 4. Set all controls to their "zeroed out" positions as described in the previous...
... follows before proceeding: 1. Make all [HIGH] and [LOW] EQ, [PAN], and [BAL] controls to "12 o'clock". Set all channel faders and the [MASTER] fader down to minimum. 3. Multimix 12R Reference Manual 25 Bring all [TRIM] controls to minimum (full counterclockwise). 4. Set all controls to their "zeroed out" positions as described in the previous...
Reference Manual
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...] setting is still heard after lowering the trim to its output volume to +32 dBu levels before clipping). If the trim is set below unity (12 o'clock position) on . Instead of the system. ✪ The goal is flashing, it is possible for setting the [TRIM] control. ✪ ...When the PEAK LED is to low-noise, distortionfree operation. If a microphone is the source, the Multimix 12R's [TRIM] control will be distortion even if the channel faders are raised to minimum, raise the [TRIM] control until the flashing stops. With the sound...
...] setting is still heard after lowering the trim to its output volume to +32 dBu levels before clipping). If the trim is set below unity (12 o'clock position) on . Instead of the system. ✪ The goal is flashing, it is possible for setting the [TRIM] control. ✪ ...When the PEAK LED is to low-noise, distortionfree operation. If a microphone is the source, the Multimix 12R's [TRIM] control will be distortion even if the channel faders are raised to minimum, raise the [TRIM] control until the flashing stops. With the sound...
Reference Manual
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...the output to this point there is reached at nominal output, if you connect to the proper input jacks (balanced to balanced, or unbalanced to 12 o'clock. Digital recorders use a different reference; At +18 dB over nominal level, the top LED of the meter labeled PK will read ..." at 24 dB over nominal "0" on the meter; The input controls of analog recorders should not be set to unbalanced). Output distortion The Multimix 12R has plenty of headroom, but not the PHONES/MONITOR level control. Whatever you hear distortion, check other devices in decibels, normally displaying the level...
...the output to this point there is reached at nominal output, if you connect to the proper input jacks (balanced to balanced, or unbalanced to 12 o'clock. Digital recorders use a different reference; At +18 dB over nominal level, the top LED of the meter labeled PK will read ..." at 24 dB over nominal "0" on the meter; The input controls of analog recorders should not be set to unbalanced). Output distortion The Multimix 12R has plenty of headroom, but not the PHONES/MONITOR level control. Whatever you hear distortion, check other devices in decibels, normally displaying the level...
Reference Manual
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.... A "click" or detent will be boost or cut by the same amount , and frequency response between 1 kHz and 12 kHz will gradually rise or fall to achieve the desired effect. Multimix 12R Reference Manual 39 The HIGH knob range is +/- 15 dB with a shelving frequency of the channel--it is... "12 o'clock" or straight up. "Shelving" means that frequencies below : +15 dB -15 dB 20 Hz 100 Hz 1 kHz 10k 20k...
.... A "click" or detent will be boost or cut by the same amount , and frequency response between 1 kHz and 12 kHz will gradually rise or fall to achieve the desired effect. Multimix 12R Reference Manual 39 The HIGH knob range is +/- 15 dB with a shelving frequency of the channel--it is... "12 o'clock" or straight up. "Shelving" means that frequencies below : +15 dB -15 dB 20 Hz 100 Hz 1 kHz 10k 20k...
Reference Manual
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MIC IN to center. Specifications Noise performance (typical) Measured at MAIN OUT +4 dBu jacks, unbalanced load, 22 Hz to 22 kHz, all channels panned to INSERT OUT: -128.5 dBu Equivalent Input Noise at maximum gain Residual output noise (MASTER fader at nominal, channel faders at minimum):
MIC IN to center. Specifications Noise performance (typical) Measured at MAIN OUT +4 dBu jacks, unbalanced load, 22 Hz to 22 kHz, all channels panned to INSERT OUT: -128.5 dBu Equivalent Input Noise at maximum gain Residual output noise (MASTER fader at nominal, channel faders at minimum):
Reference Manual
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...31 Aux 1, 17, 20 AUX 2, 16, 32 AUX SEND, 16, 20 balanced, 12, 20 cable, 9 clipping, 13 compressor, 17 direct output using INSERT jack, 18 ..., 20, 21 gain, 30 ground loop, 35 isolating from rack, 8 grounding, 6, 7 guitars, 12 Headphone, 20, 25 headroom, 13, 34, 48 HIGH, 41 Impedance, 10, 48 INSERT cables, 22... 24 in 2-mixer system, 24 Levels, 13, 28, 48 diagram, 52 LINE IN, 12 LOW, 41 MAIN OUT -10 dBV, 21 MAIN OUT BALANCED, 20 Master, 30 maximum level..., 16, 32 STEREO LINE channels as Effect Return, 16, 32 for CDs and synths, 12 maximum input level, 13 PEAK LED, 28 TAPE IN, 14 as Aux 1 monitor, 42...
...31 Aux 1, 17, 20 AUX 2, 16, 32 AUX SEND, 16, 20 balanced, 12, 20 cable, 9 clipping, 13 compressor, 17 direct output using INSERT jack, 18 ..., 20, 21 gain, 30 ground loop, 35 isolating from rack, 8 grounding, 6, 7 guitars, 12 Headphone, 20, 25 headroom, 13, 34, 48 HIGH, 41 Impedance, 10, 48 INSERT cables, 22... 24 in 2-mixer system, 24 Levels, 13, 28, 48 diagram, 52 LINE IN, 12 LOW, 41 MAIN OUT -10 dBV, 21 MAIN OUT BALANCED, 20 Master, 30 maximum level..., 16, 32 STEREO LINE channels as Effect Return, 16, 32 for CDs and synths, 12 maximum input level, 13 PEAK LED, 28 TAPE IN, 14 as Aux 1 monitor, 42...