Crown 1202 & 2402 Manuel d'utilisateur

1▼ PLX 1202▼ PLX 1602▼ PLX 2402▼ PLX 3002▼ PLX 3402PLX™ Series AmplifiersTD-000072-00Rev. CUser ManualManuel del’utilisateurBedienhandbuchManual del

10Parallel input modeWHAT IT ISThe "Parallel Input" switches let youoperate the amplifier in parallelmode, delivering the same signal toboth

11FEATURES & SETUPBridge mono modeWHAT IT ISBridged mono mode combines thepower of both amp channels into onespeaker, resulting in twice the volta

12Ch. 1Ch. 1Ch. 2Ch. 2Ch. 1inputCh. 2inputStereo, bi-amp, 2-channelFEATURES & SETUPCh. 1Ch. 1Ch. 2Ch. 2Ch. 1inputCh. 2inputParallelWhat are the di

13Ch. 1Ch. 1Ch. 2Ch. 2Ch. 1inputCh. 2inputBridged MonoFEATURES & SETUPSEE THE ADDITIONAL BRIDGEMONO MODE WARNINGS ONPAGE 11.BRIDGE MONO MODEThis m

14A U D I OPOWER AMPLIFIERPLX3032dB2022242628I8I48-30322022242628dBI8I48-SIGNALPOWERBRIDGE PARALLEL-20dB-IOdBCLIP1 C H A N N E L 2P

15CONNECTIONSOUTPUTCLIP LIMIT ONCLIP LIMIT ONCH 1P2CH 2CH 2TIP1/4XLRINPUT IMPEDANCE: 12K BALANCED INPUT PINOUTSINPUT PINOUTSMODE SWITCHESMODE SWITC

16Speakon™ OutputsThe PLX amplifier offers a choice ofoutput connections, with two NeutrikNL4MD Speakon jacks and two pairsof "touchproof" b

17Binding post outputsÊ Strip back insulation not morethan 13 mm (½ inch).➋ Insert wire fully so that none ofthe conductor is exposed; tightenbarrel (

18OPERATIONAC power switchBefore applying power, check allconnections and turn down the gaincontrols. The "soft start" sequencestarts with t

19OPERATIONFan coolingThe fan speed varies automaticallyto maintain safe internaltemperatures. Keep the front andrear vents clear to allow full air fl

2Erklärung derBildsymboleDas Blitzzeichen innerhalb einesgleichseitigen Dreiecks warnt denBenutzer vor nicht isolierter,gefährlicher Spannung im Inner

20APPLICATIONS APPLICATIONS ANWENDUNGS-BEISPIELEAPLICACIONESPLX amp(stereo mode)Mixing boardConsole de mixageMischpultMezclador2-way monitorEnceinte m

21Instrument amplificationPreampPLX amp(parallel mode)Instrument inputEntrée de l’instrumentInstrumentseingangEntrada del instrumentoLine-level output

22TROUBLESHOOTINGProblem: no sound➤➤➤➤➤INDICATION: POWERINDICATOR NOT LIT• Check the AC plug.• Confirm that the AC outlet worksby plugging in another

23No sound (continued)TROUBLESHOOTINGSIGNALPOWER-20dB-IOdBCLIP1 C H A N N E L 2SIGNALPOWER-20dB-IOdBCLIP1 C H A N N E L 2Pas de son (suite)➤➤➤

24➤➤➤➤➤INDICATION: CLIP INDICATORNOT FLASHING• This could be caused by a faultyspeaker or loose connection. Checkthe wiring and try another speaker.•

25Problem: hiss• Unplug the amplifier input toconfirm that the hiss is comingfrom the source or a deviceupstream; erratic or poppingnoises indicate an

26INNER WORKINGSAn impressive amount of technologyis packed "under the hood" of a PLXSeries amplifier. Thousands of wattsof power flow inche

27High Performance Audio. Highspeed power transistors convert thisDC power into the full range audiooutput which drives the speakers.High-current desi

28PLX 1202 PLX 1602 PLX 2402 PLX 3002 PLX 3402OUTPUT POWER in watts20 Hz–20 kHz @ 0.03% THD8Ω per channel 200 300 425 550 70020 Hz–20 kHz @ 0.05% THD4

29TECHNISCHE DATENSPECIFICATIONS SPÉCIFICATIONS ESPECIFICACIONESPLX 1202 PLX 1602 PLX 2402 PLX 3002 PLX 3402LOAD PROTECTION Turn-on/turn-off muting, D

3Sound reinforcement ... 20SonorisationBeschallungSonido en vivoInstrument amplification ...

30WARRANTYINFORMATIONINFORMATIONS DEGARANTIEGARANTIE-BEDINGUNGENINFORMACIÓN DEGARANTÍADisclaimerQSC Audio Products, Inc. is not liablefor any damage t

31ADDRESS&TELEPHONEINFORMATIONADRESSEPOSTALEETNUMÉROSDIRECCIÓNYTELÉFONOANSCHRIFTUNDTELEFON-NUMMERNMailing address / Adresse postale / Postanschrif

32QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA“QSC” and the QSC logo are registered with the U.S. Patent

4Declaration ofConformityQSC Audio Products, Inc. declares asits sole responsibility that the abovenamed product is in compliance withthe Council Dire

5INTRODUCTIONEINFÜHRUNGINTRODUCCIÓNAVANT-PROPOSThe PLX Series Amplifiers.PowerWaveTM technology and arefined audio structure combinestudio-quality per

6Front panel1. Power switch2. Cooling vents3. Gain control (Channel 1)4.CLIP, -10 dB, -20 dB andSIGNAL indicator LEDs, bothchannels5. Gain control (Ch

7OUTPUTCLIP LIMIT ONCLIP LIMIT ONCH 1P2CH 2CH 2TIP1/4XLRPINOUTINPUT IMPEDANCE: 12K BALANCEDINPUT PINOUTSMODE SWITCHESMODE SWITCHESCH 1CH 2PINOUT1+1+2+

8Clip limiterWHAT IT ISWhen the audio signal drives theamp's output circuit beyond its powercapability, it clips, flattening the peaksof the wave

9Input filterWHAT IT ISThe low-frequency (LF) filter rolls offsignals below either 30 Hz or 50 Hz.This improves bass performance bylimiting sub-audio