Qsc-audio PL224A Instrukcja Użytkownika

User ManualManuel de l’utilisateurBedienhandbuchManual del Usario• PL218A• PL224A• PL230A• PL236APL2A Audio Power Amplifierswith Analog Signal Process

The side panel cover plate must be removed to access the side panel switches.CH1 SUBAUDIO FILTER, CH2 SUBAUDIO FILTER- These push-button switches are

FEATURES & SETUP- SIDE PANEL SWITCHES: LO FREQ DELAY and HF ATTENLO FREQ DELAY- This switch is active only when the amplifier is in BI-AMP mode. T

HORN BOOST- These switches are only active when the amplifier is in BI-AMPmode. These switches work in combination to control the amount of high-frequ

FEATURES & SETUP- SIDE PANEL SWITCHES: POWER LIMITERPOWER LIMITER: Each channel has its own limiter with independently adjustable threshold and ti

FEATURES & SETUP- SIDE PANEL SWITCHES: POWER LIMITER (continued from previous page)FAST- Set both POWER LIMITER SPEED switches to FAST. This sett

FEATURES & SETUP- SIDE PANEL SWITCHES: CLIP LIMITERCLIP LIMITER: The PL2A amplifier also has separate limiters which respond only to amplifier cli

FEATURES & SETUP- SIDE PANEL: CROSSOVER & DELAY NETWORK SELECTION & INSTALLATIONSIP RESISTOR NETWORK INSTALLATION GUIDELINES AND SELECTION

FEATURES & SETUP- SIDE PANEL: CROSSOVER & DELAY NETWORK SELECTION & INSTALLATIONThe SIPs may be installed “either way”. TheSIPs are symmet

GAIN CONTROLSThe gain controls are detented (21 steps) for repeatable adjustment. Surrounding the gain control knob, theattenuation level is shown in

INSTALLATION: RACK MOUNTING AND MOUNTING DIMENSIONSBefore installing into equipment rack: ensure that all side-access DIPswitches and crossover SIPs a

EXPLANATION OF GRAPHICAL SYMBOLSThe lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence

INSTALLATION: FAN COOLING & AC MAINSFAN COOLINGThe fan varies speed automatically to maintain safe internal temperatures and minimize noise. Keep

INPUTSEach channel has active balanced "Euro-style" terminal block and XLR jacks wired in parallel. The input impedance is 12 kOhm balanced

Speakon™ Outputs: The Speakon connector is designed specially for high-power speaker connections. It locks in place, prevents shock hazard, and assure

CONNECTIONS: OUTPUTSBinding post outputsThree connection methods may be used to connect to the binding post output terminals:• wire inserted from the

REMOVING THE SECURITY PANEL1. Use an angle 9/64" or 3.5 mm hex key to loosen the screw.2. Use a small flat screwdriver to lift the right end of t

OPERATIONNORMAL OPERATING LEVELSThe amp's protective muting system guards against excessive internal temperatures. With normal ventilation and 4

Problem: NO SOUND• INDICATION: POWER INDICATOR NOT LIT• Check the AC plug.• Confirm that the AC outlet works by plugging in another device. If too man

PROBLEM: DISTORTED SOUND•INDICATION: CLIP LED FLASHING• If the red CLIP indicator flashes before all three signal indicators do, the load impedance i

TECHNICAL OVERVIEW: BLOCK DIAGRAM & OPERATIONAL DETAILSAn impressive amount oftechnology is packed "under thehood" of a PL2A amplifier.T

TECHNICAL OVERVIEW: BLOCK DIAGRAM & OPERATIONAL DETAILSHigh Performance Audio. High speed power transistors convert this DC power into the full ra

TABLE OF CONTENTSExplanation of Graphical Symbols...2FCC Interference Statement...

PL218A PL224A PL230A PL236AOUTPUT POWER in wattsFTC:8 ohms per channel (20-20k Hz., 0.05% THD) 310 440 575 7254 ohms per channel (20-20k Hz., 0.07% TH

SPECIFICATIONSPL218A PL224A PL230A PL236AINDICATORS (all models) Front: POWER: Green LED, STANDBY: POWER LED 1/2 brightness, BRIDGED: Yellow LED, PARA

DisclaimerQSC Audio Products, Inc. is notliable for any damage to speakers,amplifiers, or any other equipmentthat is caused by negligence orimproper i

SETUP SHEET FOR PL2A AMPLIFIERSUse these handy sheets to mark your switch positions for various setups. Each switch position has been “blanked” out so

SETUP SHEET FOR PL2A AMPLIFIERSUse these handy sheets to mark your switch positions for various setups. Each switch position has been “blanked” out so

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

FRONT PANEL1. Power switch2. Cooling vents3. Gain control (1 perchannel)4. CLIP, -10 dB, -20 dB andSIGNAL indicator LEDs, 1per channel5. POWER, BRIDGE

REAR PANEL1. DataPort2. Terminal block inputs3. Configuration switches4. XLR inputs5. Speakon outputs6. Binding post outputs7. Cooling air inlet vents

INPUT CONFIGURATION- This switch selects between STEREO or PARALLELinput configuration. The indicator LED’s above the switch confirm the switch settin

FEATURES & SETUP- REAR PANEL SWITCHES: MODEMODE- This switch selects between BI-AMP, 2 CH, or BRIDGE modes of operation.The indicator LED’s above

DATAPORT INPUT SIGNAL- This switch selects the regular inputs or theDataPort inputs, and allows the DataPort to enter before or after the analogproces

GAIN-SENSITIVITY SELECT- This switch selects the gain structure of the amplifier. Each channelruns through a gain buffer which allows all models to ha