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PROFESSIONAL AUDIO EQUIPMENT 

PMX124 

12 Channel mixing console 

 

User Manual & 

Installation Guide

Mixing Console  

PMX124 

AUDAC 

Summary of Contents for PMX124

Page 1: ...PROFESSIONAL AUDIO EQUIPMENT PMX124 12 Channel mixing console User Manual InstallationGuide MixingConsole PMX124 AUDAC ...

Page 2: ...A U D A C P R O F E S S I O N A L A U D I O E Q U I P M E N T User Manual Installation Guide AUDAC http www audac eu info audac eu ...

Page 3: ...TION 6 MAIN CONTROL SECTION 8 CONNECTIONS AND CONNECTORS 11 FRONT PANEL CONNECTIONS 11 REAR PANEL CONNECTIONS 14 POINTS TO REMEMBER 15 CONNECTIONS 15 APPLICATIONS 17 SETUP PROCEDURE 17 HOME RECORDING 18 LIVE PERFORMANCE 19 BLOCK DIAGRAM 20 ADDITIONAL INFORMATION 21 TECHNICAL SPECIFICATIONS 21 PERSONAL NOTES 23 Index ...

Page 4: ...ns ranging from rehearsal rooms to home studio s and even on stage use It has a modern design with various connection possibilities for all kinds of microphones and music sources while guaranteeing an excellent sound quality The mixer has also a built in 24 bit DSP with 100 presets including effects such as Chorus Flange Delay and many others allowing each mix or vocal to be tuned as desired In ad...

Page 5: ...ironments which contain high levels of dust heat moisture or vibration Do not use the unit near water or other liquids Make sure no water or other liquids can be spilled dripped or splashed on the unit This unit was developed for indoor use only Do not use it outdoors Do not place objects on top of the unit Place the unit on a stable base or mount it in a stable 19 rack Chapter 1 ...

Page 6: ...d by children Do not stick objects through ventilation openings Do not open the unit risk for electrical shock CAUTION SERVICING This unit contains no user serviceable parts Refer all servicing to qualified service personnel Do not perform any servicing unless you are qualified to do so Note This product conforms to the following European Standards EN 50081 1 1992 EN 50082 1 1992 EN 60065 19 ...

Page 7: ...vel The best signal noise and dynamic range balance will be reached when you adjust the Trim Control so that the Peak LED indicator lights up occasionally The input sensitivity of a Mic channel can be set between 50 dB and 6 dB the input sensitivity of a Line input can be set between 30 dB and 14dB and the sensitivity for a Mono Stereo combination channel can be set between 20 dB and 20 dB 3 HPF H...

Page 8: ...und will be played at both channels in a stereo sound application BALANCE Stereo Channel This control adjusts the balance or the L R position of the stereo input signal Turning the BALANCE control to the left of center moves the source signal towards the MAIN MIX L bus turning it to the right moves the source towards the MAIN MIX R bus 9 Mute ALT 3 4 switch When the Mute ALT3 4 button is deactivat...

Page 9: ...ffect to the AUX bus 4 DSP ON OFF switch This switch allows you to turn the internal digital effect ON and OFF 5 PFL switch Pushing this button in will send the effect signal to the PFL bus 6 PFL indicator This indicator lights up when the PFL switch is turned on 7 EFX RTN fader With this fader the signal level sent from the digital effect to the MAIN bus can be adjusted 8 ALT 3 4 output fader Wit...

Page 10: ...e signal level sent to the AUX output jack Master EFX Control Use this control knob to adjust the signal level from the Effect bus sent to the Effect Output Jack 15 PFL indicator This indicator lights up when the PFL switch is turned on 16 Output level meter A vertical row of ten LED s continuously indicate the output level of the signal that is selected by the Level Meter Signal Buttons The 0 LED...

Page 11: ...hones however the switch may be left on when connecting balanced dynamic microphones NOTE When this switch is on the mixer supplies 48V DC power to pins 2 and 3 of all XLR type Mic Input connectors We also recommend to turn all output controls to minimum settings before operating the switch to avoid the risk of loud noises that could cause hearing loss or damage 20 Phantom power indicator This ind...

Page 12: ...f balanced low impedance microphones BALANCED LINE IN JACKS Standard TRS Tip Ring Sleeve phone jacks are used for balanced or unbalanced line level signals Some examples of line level equipment include most electronic keyboards synthesizers turn tables with appropriate preamps tape decks and the line outputs from other mixers Chapter 3 ...

Page 13: ... jacks can also be used as an auxiliary stereo input If you connect to the L MONO jack only the mixer will recognize the signal as a mono signal and will propagate the identical signal on both L and R jacks 5 Tape in jacks These RCA pin input jacks can be used to connect a stereo sound source They are often used to connect a CD or DAT player for direct monitoring NOTE You can adjust the signal lev...

Page 14: ...ection The connections are made by TRS Tip Ring Sleeve phone type balanced output jacks 11 Control room output jacks These stereo phone type output jacks can be used to send the mixed output signal to a monitoring system Use the Control Room Headphone Control to adjust the output signal level NOTE The signal available on these jacks can be selected by the settings of the Main ALT3 4 toggle switch ...

Page 15: ... cause damage to the appliance or can even cause fire or electrical shocks 2 Power switch Use this switch to turn the mixer ON and OFF 3 Main balanced L R output The main stereo output signal of the mixer is available on these 3 pin balanced XLR connectors They can be used for connecting the main stereo output signal of the mixer to a power amplifier with balanced signal inputs which is used to dr...

Page 16: ...ctromagnetic radiation In addition the mains will also act as a carrier for many forms of RF interference generated by electric motors air conditioning units light dimmers etc Unless the earth system is clean all attempts to improve hum noise levels will be ineffective In extreme cases there will be no alternative but to provide a completely separate and independent technical earth to replace the ...

Page 17: ...16 ...

Page 18: ...r instrument and connect the other end to the appropriate input jack on the mixer NOTE Where an input channel contains both a Mic Input and a Line Input jack you may use either one of these jack s but don t use both at the same time 3 To avoid damage to the speakers power up the devices in the following order Peripheral devices Mixer Power amps or powered speakers NOTE When shutting the system dow...

Page 19: ...18 Home Recording ...

Page 20: ...19 Live Performance ...

Page 21: ...20 Block Diagram Chapter 5 ...

Page 22: ...RE LINE IN to AUX POST LINE IN to EFX REV LINE IN to CONTROL ROOM L R STEREO IN to MAIN L R STEREO IN to ALT 3 4 AUX RETURN IN to MAIN L R TAPE IN to MAIN L R 74 dB 74 dB 66 dB 76 dB 76 dB 80 dB 52 dB 54 dB 54 dB 46 dB 56 dB 56 dB 60 dB 44 dB 44 dB 16 dB 20 dB Crosstalk at 1kHz 70 dB between input channels 70 dB between input output channels Gain Control Mono input channel 44 dB variable 50 dB 6 d...

Page 23: ...t 10 k Ohm 600 Ohm 0 dB Phone Jack TRS Tape in 10 k Ohm 600 Ohm 10 dBV RCA pin Jack Output Output Connector Output Impedance Nominal Impedance Rated Input Level Connector Type MIX OUTL R 240 Ohm 20 kOhm 4 dB Balanced PhoneJack ALT3 4 75 Ohm 10 kOhm 4 dB Unbalanced PhoneJack Control Room Out 75 Ohm 10 kOhm 4 dB Unbalanced PhoneJack Aux Send 75 Ohm 600 Ohm 4 dB Unbalanced PhoneJack Mono Channel Inse...

Page 24: ...23 Personal notes ...

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