Peavey IA 800V, IA 200V, IA 400V, IA Series Signal Ground Connection, Protection Features

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THE AC MAINS AND SPEAKER LOAD MODULE IS NOT REMOVABLE. DO NOT ATTEMPT TO REPLACE OR REMOVE IT!

This module can only be serviced by a Peavey Electronics-authorized technician. Please con- sult your dealer or Peavey Electronics representative for assistance. User-inflicted damage to this module will invalidate your warranty.

SIGNAL GROUND CONNECTION

Connections at the input connector permit the audio signal ground to be connected or lifted from the chassis ground. Whenever possible, the shield of the signal source connecting cable should connect to the chassis ground. In some cases, however, particularly if an amplifier is being installed in an existing system, this may result in a ground loop. If this happens, connect the shield to the signal ground only. The chassis ground also connects to the AC ground internally. If the cable shield is connected to the signal ground only, it will be clamped to +/- 0.6V above or below chassis/AC ground.

PROTECTION FEATURES

The IA Series incorporates protection features derived from Peavey’s extensive experience with reliability. The amplifiers are ruggedly built from high quality components and feature comprehensive protection circuits to protect your amplifier from those “real world” occurrences.

CLIP LIMITING

At the amplifier’s full power, or clipping point, the channel gain will automatically be reduced, guard- ing the loudspeakers against damaging high power and continuous square waves that would other- wise be produced. This is indicated by illumination of the Clip LED. Normal program transients will not trigger Clip Limiting; only steady or excessive clipping will. Operation is virtually transparent in use and full signal bandwidth is maintained.

LOAD FAULT CORRECTION

LFC(Load Fault Correction) is an innovative circuit that will instantaneously reduce channel gain to allow the amplifier to operate at a safe level into an abnormal load. This is indicated by illumina- tion of the LFC LED. Moderate activation of LFC is inaudible in normal use. In addition, if extreme low impedance or a short circuit is encountered during high signal level conditions, the amplifier’s output relay will open.

INITIALIZATION PROTECTION(IP)

IPoperates every time the amplifier is turned on, or after a protect condition. During turn-on, the amplifier goes into protect mode and leaves the speaker load disconnected until the amplifier determines that the operating status is normal. The IPcircuit attenuates the signal during

the initial turn-on or protect operation. After relay release, channel gain gradually increases to the attenuator setting to avoid unnecessary stress on the loudspeakers.

THERMAL PROTECTION

If the heatsink temperature or power transformer reaches an abnormally high temperature, the amplifier will protect itself by disconnecting the speaker load until the amplifier returns to a normal temperature. During this time, the Protect LED will illuminate, and the cooling fan will operate at maximum speed.

SHORT CIRCUIT

If an output is shorted, the LFC, speaker relay and thermal circuits will automatically protect the amplifier. The LFCcircuit senses the short circuit as an abnormal load condition and reduces the channel gain to a safe level for the load. In extreme or severe conditions, the speaker relays will disconnect the load and initiate a power-on start-up sequence.

DC VOLTAGE PROTECTION

If an amplifier channel detects DC voltage or subsonic signals at its output terminals, the speaker relay will immediately open to prevent loudspeaker damage. The Protect LEDs will light.

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Contents Series Power Amplifiers Precautions Table of Contents To SET UP the Amplifier for Basic Usage Amplifier ConfigurationInstallation and Mounting IntroductionFront Panel Features Back Panel Features Operation Stereo Mode Connection Diagram Parallel Mode Diagram Module Removal Signal Ground Connection Protection FeaturesSequential TURN-ON/TURN-OFF Wiring Sequential TURN-ON/TURN-OFFWire Gauge Chart AWGIA 200 Specifications IA 200V Specifications Gross Weight 33.6 lbs .25 kg Net Weight IA 400 SpecificationsRated Power 1 x 8 ohms 275 watts @ 1 kHz at 0.005% Damping Factor 8 ohms 4501 @ 20 Hz 1 kHz Input CmrrIA 400V Specifications Gross Weight 51.4 lbs .3 kg Net Weight IA 800 SpecificationsRated Power 2 X 8 ohms THD 1 X 8 ohms 0.005% @ 425W @ 1 kHzCurrent Draw @ 1/3 power IA 800V-70 1,100 watts IA 800V SpecificationsCurrent Draw @ 1/8 power IA 800V-70 765 watts Minimum Load Impedance IA 800V-70 12.5 ohmsImportant Safety Instructions Introducción Configuración DEL AmplificadorConfiguración DEL Amplificador Para LA Utilización Básica DesembalajePage Características Delpanel Frontal Características Delpanel Posterior Operación Configuración DEL Modo DE Señal Conexiones DEL Módulo DE EntradaCompartimiento DE Control DE Amplificadores Puentes DE Selección DE GananciaConexiones DE Salida DE Altavoces Desmontaje DE MódulosProtección Térmica Funciones DE ProtecciónLimitador DE Recorte CortocircuitosPage Tabla DE Calibres DE Cables Especificaciones DEL Amplificador IA Distorsión armónica total un canal amplificado Mínima impedancia de carga IA 200V-70 50 WDistorsión armónica total dos canales amplificados Distorsión por intermodulación según norma SmpteDistorsión armónica total 2 x 4 W Potencia nominal 2 x 4 WPotencia nominal 2 x 8 W Distorsión armónica total 2 x 8 WConsumo máximo de corriente IA Peso neto 14,06 kgA 4 W, 1,41 V a 8 W % a 600 W desde 20 Hz hasta KHz con señal en ambos canales% 60 Hz y 7 kHz, 600 W a 4 W A 4 W, 2,83 V a 8 WDisipación térmica BTU/h IA Ancho de banda de potencia IAPeso neto 20,41 kg Instrucciones DE Seguridad Importantes ¡GUARDE Estas InstruccionesIntroduction Configuration DES AmplificateursInstallation ’OUVERTURESélecteur DE Mise Sous Tension Trois Positions LED SignalFace Avant Pattes DE Montage EN Rack LED D’ALIMENTATIONBornier DE Sortie Face Arriere Modules D’ENTREE ET DE CommunicationModule D’ENTRÉE CommunicationsUtilisation Connexions DES HAUT-PARLEURS Emplacement Pour ModuleCavaliers DE Selection DE Gain Manipulation D’UN ModuleEnlever OU Remplacer UN Module Connexion DE LA Masse DU SignalLoad Fault Correction Correction DE Faute DE Charge ProtectionsSequence TURN-ON/TURN-OFF COURT-CIRCUITProtection Tension Continue Connexions TURN-ON/TURN-OFF SéquentielTable DE Section DES Câbles Slew Rate -25V/µs Damping Factor 8 ohms Caractéristiques IARated Ppwer 1 x 4 ohms Max. Current DrawMaximum RMS Voltage Swing Minimum Load Impedance IA 200V-70 50 ohmsTHD one channel driven IA 05% @ 200W from 20 Hz KHz with both channels driven Watts @ 4 ohms, 1,010 watts @ OhmsVoltage Gain Cooling Max Current Draw Indicator LEDsWatts @ 1/3 power IA 472 @ 1/3 power X40 32 dB standard, x20 26 dBRated Power 1 x 4 ohms Controls Rated Power 2 x 4 ohms Slew Rate Thermal Emissions BTU/hrDamping Factor 8 ohms Rated Power 2 x 8 ohms Frequency Response Input Impedance Connectors15% @ 400W from 20 Hz to KHz with both channels driven IA Max Current DrawImportant Safety Instructions Einführung Installation UND MontageSET UP FÜR DEN Einfachen Gebrauch AuspackenLED-ANZEIGE Front Panel Features Chassis FÜR DIE RackmontageAC Netzschalter MIT 3 Positionen SCHUTZ-LEDLS Anschlussleiste Anschlussfeld Rückseite EINGANGS- UND KOMMUNIKATIONS-MODULEEINGANGS-MODULE KommunikationsschachtBetrieb Gain Select Jumper Signal Mode KonfigurationLautsprecher Ausgänge Modul Entfernen Signal ERDUNGS-VERBINDUNGVerstärker Steuerschacht Entfernen Oder Austauschen Eines ModulesDC Spannungsschutz ÜberhitzungsschutzEIN- / Ausschaltfolge Sequentielles EIN- / Ausschalten Leiter Querschnittstabelle IA 200 Spezifikationen IA 200V Spezifikationen IA 400 Spezifikationen Eingangs Cmrr IA 400V SpezifikationenLeistungsbandbreite NettogewichtIA 800 Spezifikationen IA 800V Spezifikationen Wichtige Sicherheitsrichtlinien Peavey ONE-YEAR Limited WARRANTY/REMEDY Product of Peavey Electronics Corporation