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INFO@APART-AUDIO.COM

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1)GNDconnection:connectanadditionalgroundwirehereifnecessary.
2)Line1balancedrightchannelinputonXLR.
3)Line1balancedleftchannelinputonXLR.
4)Line2unbalancedL/RinputonRCAconnectors.
5)Line3unbalancedL/RinputonRCAconnectors.
6)Line4unbalancedL/RinputonRCAconnectors.
7)Line5unbalancedL/RinputonRCAconnectors.
8)Line6unbalancedL/RinputonRCAconnectors.
9)Zone1unbalancedlineoutputonRCAconnectors.
10)Mono/stereo,GNDliftandphantompowerdipswitches.Formonooperationinbothzones,flip

dipswitch1totheonposition(down).Dipswitch2isnormallytotheonposition:ifyouwanttosepa-
ratetheaudiogroundfromsafetyground,flipthisswitchup.Dipswitch3and4activatethephantom
powerformic2ormic1whenswitchedon.

11)Externalmutecontacts:closethesecontactstomutethemusicformicrophone1-2priority.Donotap-

plyanyforeignvoltagetotheseconnectors.Connectapotentialfreecontactonly!

12)Voxmutelevelcontrol:turnthiscontroltosetthemicrophone1activatedvoxcircuitmutelevel.This

controlhasnofunctionwhenthefrontmuteswitchisnotpressedtotheinposition.

13)Zone2rightbalancedrightchanneloutputonXLR.
14)Zone2leftbalancedleftchanneloutputonXLR.
15)Microphone2input:balancedXLR/jackcomboinput.Thisisthesameinputasthemicrophone2jack

atthefront.Youcanusetheprioritycontactsatthebacktomutethemusicwhilespeaking.Closingthe
contactswillmutethemusic.

16)Microphone1input:balancedXLR/jackcomboinput.Thisisthesameinputasthemicrophone1jack

atthefront.Thismichasaswitchablevoxcircuitwithadjustablemutelevel.Thisway,aspokenmes-
sagewillsuppressthemusic.Alternatively,youcanusetheprioritycontactsattheback(11).Closing
thecontactswillmutethemusic.

17)Powercordreceptaclewithbuiltinmainsfuse:connectthepowercordhere.Mainsvoltageis230

VAC/50-60Hz.Themainsfuseislocatedinsidethisconnectorandcanbereachedwithoutopening
theunit.Whenthefuseisbroken,replaceonlywithafuseofthesamevoltageandcurrentrating.Fuse
rating:315mAT/250V.

Summary of Contents for PM7400 MKII

Page 1: ...INFO APART AUDIO COM MANUAL PM7400 MKII Professional two zone stereo pre amplifier mixer ...

Page 2: ...e power requirements listed on the back of the unit Do not use the unit if the electrical power cord is damaged Always operate the unit with the AC ground wire connected to the electrical system ground Turn the level controls on the amplifiers all the way down during power up to prevent speaker damage if there are high signal levels at the inputs Do not connect the inputs outputs of amplifiers or ...

Page 3: ...or the mic 2 input i e mic 2 signals can not activate the vox circuitry 3 By closing the external mute contact at the back you will mute the music signal Now you can speak into mic 1 or mic 2 The muting circuitry will only mute the music signals and allow the mic signals to pass through This way you can create a microphone priority system easily Please note that the external mute contact at the ba...

Page 4: ...power dipswitch at the back of the unit Phantom power is switched off by default Mic 2 will be heard in both output zones 6 Microphone bass tone control for better speech intelligibility turn the microphone bass control down a little 7 Microphone mid tone control for better speech intelligibility turn the microphone mid control up a little if necessary If you experience feedback turn the tone cont...

Page 5: ... potential free contact only 12 Vox mute level control turn this control to set the microphone 1 activated vox circuit mute level This control has no function when the front mute switch is not pressed to the in position 13 Zone 2 right balanced right channel output on XLR 14 Zone 2 left balanced left channel output on XLR 15 Microphone 2 input balanced XLR jack combo input This is the same input a...

Page 6: ...s Stereo unbalanced ZONE1 on RCA Stereo balanced ZONE2 on XLR Output impedance 600 Ω Nominal output level 1V 0dBV Liftable ground yes via dipswitch Mono Stereo switch yes via dipswitch S N ratio line inputs 90 dB A weighted S N ratio mic inputs 70 dB A weighted THD 0 1 Frequency response 20 25 Khz 0 3dB Tone controls 80Hz 1 5KHz 10KHz up to 12dB attenuation boost Channel separation 70dB 1KHz Max p...

Page 7: ...INFO APART AUDIO COM 7 ...

Page 8: ... to suggestions apart audio com PM7400MKII is developed by Audioprof nv Industriepark Brechtsebaan 8 bus 1 BE 2900 Schoten BELGIUM Company names product names and names of formats etc are the trademarks or registered trademarks of their respective owners 2011 APart Audio specifications subject to change without notice ...

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