QSC PL-4.0 User Manual

1• PL218• PL224• PL230• PL236PL2 Amplifiers POWERLIGHT 2TD-000088-00Rev. CUser ManualManuel del’utilisateurBedienhandbuchManual del Usuario*TD-0000

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

11FEATURES & SETUPModo de entradas paralelas¿QUÉ ES?El interruptor "Parallel Input" le permiteoperar el amplificador en modoparalelo, en

12FEATURES & SETUPBridge mono modeDESCRIPTIONBridged mono mode combines thepower of both amplifier channels intoone speaker load, resulting in twi

FEATURES & SETUPCARACTERÍSTICASY AJUSTESCARACTÉRISTIQUESET LEUR UTILISATIONAUSSTATTUNG &EINSTELLUNGENMonobrückenbetrieb(Fortsetzung)Modo puent

14FEATURES & SETUPWhat are the differencesamong Stereo, ParallelInput, and BridgeMono modes?STEREO MODEThis is the "normal" way of using

FEATURES & SETUPBRIDGE MONO MODEThis mode combines the full powercapabilities of both channels into asingle speaker system. The amplifierinternall

16INSTALLATIONUtiliser les quatre vis et rondelles demontage pour fixer le devant del'amplificateur sur les rails de montage.Il est recommandé de

17INSTALLATIONINSTALLATION EINBAUINSTALACIÓNRear rack mounting ear kit installation-The rear rack mouting ear kit may beintsalled in two different wa

orouoderóCONEXIONESCONNEXIONS ANSCHLÜSSEEntradasEntréesChaque canal est muni de prisesXLR, ¼” (6.3 mm) et bloc détachable“Euro-style” montés en parall

19XLR unbalanced • XLR asymêtrique • unsymetrische XLR •XLR no balanceadoTRS unbalanced • TRSasymêtrique • unsyme-trische Stereoklinke • TRSno balance

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

2 channels/canaux/Kanäle/canales & 2 Speakons(Stereo, bi-amp, or parallel mode; Modes stéreo, bi-amp ou parallèle; Stereo-, Bi-amp- oder Parallelb

21Connections for stereo and paralleloperations.Connections for bridged monooperation. See bridged monooperating precautions on page 13.CONNECTIONSSPE

CONNECTIONS CONEXIONESCONNEXIONS ANSCHLÜSSEDATAPORTThe amplifier features a DataPort(page 8, item #1) which connects toaccessory products to enhance y

23OPERATIONAC power switchBefore applying power, check allconnections and turn down the gaincontrols. The "soft start" sequencestarts with t

Security panelAfter setting the gain controls, youcan install the security panel toprevent tampering and accidentalmisadjustment. After the knobs have

Security Panel Installation: Step 3OPERATIONSecurity PanelUTILISATIONPlaquette de sécuritéBETRIEBSicherheitsabdeckungOPERACIÓNPanel de seguridadREMOVI

26OPERATIONFan coolingThe fan varies speed automaticallyto maintain safe internaltemperatures and minimize noise.Keep the front and rear vents clearto

APPLICATIONS APPLICATIONS ANWENDUNGS-BEISPIELEAPLICACIONESMono MixBiamp monitorStereo mixSOUND REINFORCEMENT27

APPLICATIONS APPLICATIONS ANWENDUNGS-BEISPIELEAPLICACIONESStereo biamp mix #1, + subwooferStereo biamp mix #1Stereo biamp mix #2SOUND REINFORCEMENT28

29APPLICATIONSAPPLICATIONS APLICACIONESANWENDUNGS-BEISPIELE1 Cabinet2 CabinetBiampINSTRUMENT AMPLIFICTAION29

3Safe operating levels ... 26Niveaux d'utilisation sécuritairesBetriebspegelNiveles adecuados de operació

30TROUBLESHOOTINGProblem: no sound• Indication: POWERindicator not lit• Check the AC plug.• Confirm that the AC outlet worksby plugging in another dev

No sound (continued)TROUBLESHOOTINGPas de son (suite)•INDICATION: DEL DE SIGNALFONCTIONNENTNORMALEMENT• Si les DEL SIGNAL, -20dB et-10dB fonctionnent

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

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

34INNER WORKINGSAn impressive amount of technologyis packed "under the hood" of a PL2Series amplifier. Thousands of wattsof power flow inche

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

36SPECIFICATIONS SPÉCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONESPL218 PL224 PL230 PL236OUTPUT POWER in wattsFTC:8 Ohms per channel (20-20k Hz., 0.03%

SPECIFICATIONS SPÉCIFICATIONS TECHNISCHE DATEN ESPECIFICACIONESPL218 PL224 PL230 PL236COOLING (all models)

38WARRANTYINFORMATIONINFORMATIONS DEGARANTIEGARANTIE-BEDINGUNGENINFORMACIÓN DEGARANTÍADisclaimerQSC Audio Products, Inc. is not liablefor any damage t

ADDRESS&TELEPHONEINFORMATIONADRESSEPOSTALEETNUMÉROSDIRECCIÓNYTELÉFONOANSCHRIFTUNDTELEFON-NUMMERNMailing address / Adresse postale / Postanschrift

4NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to part 15 of the FCC rules. These lim

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

5INTRODUCTIONEINFÜHRUNGINTRODUCCIÓNAVANT-PROPOS© Copyright 2000, 2007 QSC Audio Products, Inc.QSC® is a registered trademark, and PowerLight™ is a tra

INTRODUCTION AVANT-PROPOS E I NFÜHRUNG INTRODUCCIÓN• Improved Clipping BehaviorThe smoother clipping behavior ofthe PL2 produces fewer highfrequency a

7Front panel1. Power switch2. Cooling vents3. Gain control (1 per channel)4.CLIP, -10 dB, -20 dB andSIGNAL indicator LEDs, 1 perchannel5.POWER, BRIDGE

Rear panel1. DataPort2. Terminal block inputs3. XLR inputs4. TRS inputs5. Configuration switch6. Configuration switch chart7. Speakon output, Channel

9Clip limiterDESCRIPTIONWhen the audio signal drives theamp's output circuit beyond its powercapability, the amp clips and flattensthe peaks of