Chapter 2
Overview AMP523/RM523
Front panel AMP523
AMP523 Front panel
ThefrontpaneloftheAMP523containsaudioin-andoutputs.
Thevariousavailableinputsare4unbalancedline-levelinputsandonebalanced
microphoneinput(withphantompowerpossibility).Thoseinputsareallperformed
withan18-pinsEuroTerminalblockconnector(togetherwiththeline-level
audiooutput).AudiosourcessuchasCD-players,Tuners,MP3players,...canbe
connectedtotheline-levelinputs,whilemicrophonescanbeconnectedtothe
microphoneinput.Whenusingcondensermicrophones,thephantompowerpossibility
shouldbeenabled.
Therearetwodifferentkindsofaudiooutputsprovided,bothofthemcarryingthesame
audiosignalwithdifferentlevels.
Theaudiooutputperformedonutmostleftsideofthe18-pinTerminalBlock
connectorisastandardlineleveloutputwherebytheAMP523canbeconnectedto
anyaudiodevicewithaline-levelinputsuchasanamplifier,pre-amplifier,active
speakersystem,...
Thesecondaudiooutputmarkedas‘AMPOUT’istheoutputoftheinternalClass
Damplifierwithanoutputpowerof2x15Wattwhichcanbeusedforpowering
loudspeakers.