CM-DSP Compact Mixers
Contents
1.2. AK LED starts to light Then back the GAIN control off slightly until the PEAK LED hardly lights at all Test the main mix output by increasing the MAIN master fader and selected channel faders whilst making sound through the channel s the L R output LED ladders should begin to show the output as it varies up and down Connecting a pair of headphones to the PHONES stereo 6 3mm jack is a good way of checking the mix output remembering to gradually increase the PHONES level control Turn down all faders and then switch power on to connected equipment amplifier last in line and increase volume levels Gradually increase MAIN and channel faders again and the sound should be heard through the speakers or be indicated on the recording equipment Operation Mono channels have a COMP control which varies the amount of audio compression applied to the signal Fully down anti clockwise gives no compression and fully up clockwise gives maximum compression to the signal making quieter sounds louder and louder sounds quieter whilst boosting the signal This limits the dynamic differences in a signal and is especially useful for vocals and some instruments where the sound level can vary greatly Each channel has a 3 band EQ LOW MID HIGH which can be used to balance the mix of frequencies and emphasise certain aural characteristics in the signal Adjust these as required noting that and overall increase may require an equivalent reduction of t
3. al media player which can offer playback of compressed digital audio files through the stereo channel When a USB pen drive or SD card with such files on is connected via the rear panel the player recognizes this and automatically begins playback through the stereo channel Transport buttons are situated next to the output LEDs on the top panel to control USB SD playback as shown below Previous Back O Y Play Pause Next Forward OO 170 830UK 170 832UK 170 834UK User Manual ibh citronic Specifications CM4 DSP CM8 DSP CM12 DSP Stock Code 170 830UK 170 832UK 170 834UK Power Suppl 12Vac 1500mA included Phantom Power Switchable 48V XLR inputs Frequency Response 20Hz 20kHz Mic Line inputs bal unbal 6 x XLR jack Stereo Input unbal 6 3mm jack RCA 8 to 15dB 13 to 60 parallel SNR Mic Inputs 120dB E I N SNR Line Inputs 95dB E I N SNR Stereo Input 96dB E I N EQ High 10kHz 15dB EQ Mid 700Hz 15dB EQ Low 50Hz 15dB Effects 16 preset programme DSP engine Outputs Main L R 6 3mm jack 28dBu balanced 22dBu unbalanced AUX EFF REC out unbalanced 6 3mm jack 22dBu Phones Output 15dBu stereo 6 3mm jack Dimensions mm 60 x 190 x 230 60 x 270 x 230 60 x 350 x 230 Weight 2 09kg 2 42kg 2 75kg DSP effect programmes 1 Small Hall 9 Analog Delay 2 Large Hall 10 Chorus Verb 3 Small Room 11 Stereo Chorus 4 Bright Room 12 Flanger 5 Thin Plate 13 Phaser 6 La
4. connections completely interrupt the signal flow and divert to the external processor before returning to the channel for volume adjustment via the channel fader This requires a stereo to 2 x mono jack lead the 2 mono ends are send and return connections the stereo connection is wired as per below r ia SLEEVE EARTH RING SIGNAL SEND TIP SIGNAL RETURN 170 830UK 170 832UK 170 834UK User Manual ibh citronic Recording equipment can be connected via the REC outputs using a twin RCA lead and the 6 3mm jack AUX output can be connected to monitoring or external processing equipment if required Individual levels can be adjusted to the AUX output via the individual channel AUX controls Overall auxiliary send level is governed by the master AUX control If the internal DSP effects are not required a send can be connected from the EFFECT jack output to and external effect unit whereby the EFF channel controls act as individual level controls to the EFFECT output same as for AUX output Overall effect send level is governed by the master EFFECT level control With all faders down connect the supplied AC adapter to the 12Vac input an d to the mains supply ensure correct supply voltage the power LED will illuminate if phantom power is selected this LED should light also Checking Test each channel s gain level by making the loudest expected sound into it and increasing the GAIN control until the red PE
5. he GAIN control to compensate otherwise clipping may occur from EQ boost 170 830UK 170 832UK 170 834UK User Manual ibh citronic Use the PAN control to position the channel input either to the left or right side of the stereo field This can be useful to help separate and define sounds within a mix but be aware that extreme settings can be counter productive by removing the channel from certain listening positions Use the AUX control to feed the correct amount of the channel signal to the AUX output This routing is Pre fader and is independent from the channel fader setting The EFF control feeds a part of the signal to the internal DSP effects Overall controls for TIME and LEVEL are on the right hand side of the control surface these can be adjusted as required If external effects are to be used plugging a jack lead into the EFFECT output defeats the internal DSP effects and acts as a mono line level send to the external effect unit The output s from the external unit will need to be returned via a mono or stereo channel and added to the mix whereby the channel fader takes the place of the overall EFFECT return level control Channel faders should be used to adjust the individual levels in the mix and the MAIN fader is for overall level Turn down amplifier levels when changing any connections or powering down the mixer to avoid speaker damage USB features The USB and SD card connection is for the intern
6. ii Citronic o FIETeT User Manual 170 830UK 170 832UK 170 834UK Item ref CM DSP Compact Mixers ast rt a ic tron Hc M a U E i mum LIIS je xs CMm18 08P d citronic group brand an www avsl citronic com Citronic Introduction Thank you for choosing a Citronic CM DSP series mixer This product has been designed to offer reliable high quality mixing for stage and or studio applications with unfailing consistency In order to gain the best results from this equipment and avoid damage through misuse please read and follow these instructions and retain for future reference Warning To prevent the risk of fire or electric shock do not expose components to rain or moisture If liquids are spilled on the surface stop using immediately allow unit to dry out and have checked by qualified personnel before further use Avoid impact extreme pressure or heavy vibration to the unit There are no user serviceable parts inside the mixer refer all servicing to qualified personnel Safety Check that the supplied adapter and connectors are in good condition and the mains supply voltage is correct Ensure signal leads are of good condition without shorted connections especially when using phantom power Do not use the USB connector as a general purpose power source or charger Do not allow any foreign particles to enter the console through connectors or control aper
7. put level and power indicators DSP effect on off switch USB SD player transport controls Headphones level control DSP effect time control Master AUX send level DSP effect level control Master Effect send level internal or output Master fader 170 830UK 170 832UK 170 834UK User Manual ibh citronic Rear Panel 4H citronic 31 32 33 31 12Vac 1500mA power adaptor input 32 SD card slot for digital audio player 33 USB input for digital audio player Connection Before connecting to amplifier or other equipment turn down all volume controls to avoid loud noises which may cause damage to other equipment Always switch amplifier power on last in line with volume levels down Using good quality 6 3mm jack or XLR leads balanced or unbalanced connect L R main outputs from the mixer to the amplifier recorder or whichever equipment is to receive the main mix output If phantom power is to be used press the 48V PHANTOM switch in Connect microphones DI boxes and other balanced low impedance audio inputs to the mono channels using a quality XLR lead Connect high impedance and line level signals to the mono inputs using a 6 3mm jack lead For the stereo channel connect left and right line level signals via 6 3mm jack or RCA leads unbalanced If this channel is to be used as mono connect to the left jack input only Channel inserts may be connected to individual processing equipment like EQ or compressors These
8. rge Plate 14 Gated Reverb 7 Spring Reverb 15 Flange Verb 8 Multi tap Delay 16 Vocal Echo 170 830UK 170 832UK 170 834UK User Manual ibh citronic Troubleshooting control panel Power LED is on but no other LEDs and no output Power and VU LEDs lit but no output ed m ais Mul Check memory device is connected proper remove and re insert Md Check AUX and EFFECT level controls and reduce if necessary Check input gain level on recorder or recording software Check input audio source level is not too low Ensure low impedance line or mic signal is not connected via jack distorted Check output levels of equipment connected via channel inserts Increase channel GAIN control and EQ settings if turned down Output is working but er aders levo at very low level Increase channel and MAIN faders levels Check output levels of equipment connected via channel inserts Check for quiet recording of media files on USB SD Check input gain level on recorder or recording software Feedback loud Face microphone away from speakers and monitors asss w eee Reduce channel GAIN level and EQ level s oe 3 Reduce AUX and or EFFECT levels from mics Reduce channel and or MAIN fader levels Output is very loud or Ensure Hi Z line level input s not connected via XLR Check for high gain recording of media files on USB SD Errors and omissions excepted Copyright 2012 AVSL Group Ltd 170 830UK 170 832UK 170 834UK User Manual
9. tures Placement Keep out of direct sunlight and away from heat sources Keep away from damp or dusty environments Ensure adequate access to controls and connections Cleaning Use a soft cloth with a neutral detergent to clean the casing as required Use a soft brush to clear debris from the control surface Do not use strong solvents for cleaning the unit 170 830UK 170 832UK 170 834UK User Manual Control Panel Set Se SS SYP Eee e Uu U N e O 1 A 5 TSS TSS BA ug Tu uu sa qu DK f ems lr T NINE HEC KT z X g Stereo channel L R 6 3mm jack inputs Stereo channel Left Right RCA inputs Left Right Recording RCA outputs Auxiliary output 6 3mm jack Effect output 6 3mm jack Headphones output stereo 6 3mm jack Global phantom power switch amp indicator Combo XLR jack mic line inputs Audio compressor rotary adjustment Channel insert TRS 6 3mm jack Channel Gain control High frequency EQ control Channel Pan or balance control Mid frequency EQ control Low frequency EQ control E aa sio m citronic IT EI k 4 352192 N N 0o N f z 3 N co 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 alt citronic 30 CMda DSP Channel auxiliary level control Channel effect level control Channel fader L R balanced main output XLR L R balanced main output TRS jack DSP programme select Out
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