Hafler GX2800CE User Manual

The Hafler GX2800 amplifiers are two rack height, two channel, fan-cooled professional power amplifiers suitable for usein the most demanding sound re

– 9 –UNIVERSAL LINE VOLTAGE INPUTVoltage selection is provided in two bands: 100-140 volts and 200-265 volts, (both 50-60 Hz) via two quick-connect te

– 10 –1. Recessed Front Panel - Prevents switches and controls fromaccidentally being adjusted or broken.2. Power Switch - Turns the amplifier ON and

– 11 –1. Recessed Front Panel - Prevents switches and controls from acci-dentally being adjusted or broken.2. Power Switch - Turns the amplifier ON an

The GX2800 is a standard 2U (2 rack height) 19" rack-mount unit, with both front and rear rack mounting ears. In portablesystems, the amplifier m

– 13 –AUDIO GROUND CHASSIS/FLOAT SWITCHIn general, the Audio Ground of each amplifier should be connected to AC mains earth ground AT ONE POINT ONLY-e

– 14 –The amplifier will operate with either a balanced or unbalanced signal source.INPUTThe input jacks used on the GX2800 are dual function connecto

– 15 –FLOATED EQUIPMENTUnits with a 2-pin mains power cord have no means to connect the audio output ground to earth ground, so usually theaudio outpu

– 16 –PHASEThe Phase switch will select either 0° (normal polarity) or 180° (inverted polarity) for the corresponding output signal.CD HORN EQUALIZATI

– 17 –70V and 100V Mono mode also use the CH B input connector and level control only. The 70V or 100V speaker array loadshould be connected across th

Declaration of ConformityApplication of Council Directive: 73/23/EEC (low voltage directive)Application of Council Directive: 89/336/EEC (EMC Dire

– 18 –1. Connect signal from source to both CH A and CH Binputs.2. Move Biamp/Stereo switch to Stereo input mode.3. Move Stereo/Mono switch to Stereo

– 19 –1. Connect signal from source to CH B input.2. Biamp/Stereo switch not active-(Stereo/Mono switchoverrides this switch when in mono/70V/100V mod

1. Connect signal from source to CH B input.2. Biamp/Stereo switch not active (Stereo/Mono switchoverrides this switch when in mono/70V/100V mode).3.

– 21 –Rockford Corporation (Hafler Division) offers a limited warranty on Hafler products on the following terms:• Length of Warranty5 years on GX2800

A DIVISION OF ROCKFORD CORPORATION546 SOUTH ROCKFORD DRIVETEMPE, ARIZONA 85281 U.S.A.IN U.S.A. (480) 967-3565 / IN CANADA, (604) 942-1001IN EUROPE, F

– 1 –Table of ContentsDECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– 2 –NOTICE - IMPORTANT SAFETY INFORMATION1. READ INSTRUCTIONSAll the safety and operating instructions of your Hafler equip-ment should be read befor

– 3 –ADVERTENCIA – INFORMACION DE SEGURIDAD IMPORTANTEEl símbolo de flecha relámpago dentro de un triángulo equilátero, es para alertar alusario de la

– 4 –ACHTUNG – WICHTIGE SICHERHEITS – INFORMATIONEN1. INSTRUKTIONEN LESENAlle Sicherheits- und Operationshinweise Ihres HaflerEquipments sollten vor d

– 5 –ATTENTION: INFORMATIONS IMPORTANTES DE SÉCURITÉ1. LIRE LES INSTRUCTIONSLe mode d'emploi et les mesures de sécurité de votreéquipement Hafler

– 6 –NOTARE – IMPORTANTI INFORMAZIONI SULLA SICUREZZA1. LEGGETE LE ISTRUZIONITutte le istruzioni riguardanti la sicurezza ed il funzionamentodevono es

– 7 –All measurements taken at Normal Operating Conditions (i.e. 1/8th rated output power) unless noted otherwise.POWER OUTPUT: 1kHz, 1% THD 20-20kHz,