Hafler 9270 Manual do Utilizador

Series 9180/9270 Power Amplifier

CIRCUIT HIGHLIGHTSThe input stage of the 9180/9270 Amplifier utilizes four low-noise, High-g, JFET’s (high transconductancejunction field-effect trans

ADDITIONAL INFORMATIONLOUDSPEAKERLOAD IMPEDANCECONSIDERATIONSCHANGING LINEVOLTAGE RATINGADJUSTlNG BIASThe 9180/9270 Amplifier is suitable for use w

GENERALTROUBLESHOOTINGHINTSGROUNDLOOPSWARNING! UNPLUG THE UNIT FROM AC POWER BEFORE ATTEMPTING THIS PROCEDURE.FAILURE TO DO SO CAN RESULT IN SEVERE EL

CLEANING/MAINTENANCEIt may be necessary to use additional adaptors on other grounded components if more than twocomponents are earth grounded. (In oth

DESIGNATORR33,R133R34,R134R35,R135R36,R136R37,R137R38,R138R39,R139R40,R140R41,R141R42,R142R43,R143R44,R144R45,R145R46,R146R47,R147R201R202R203R204R205

LEFT/MONOINPUTLEFT/MONOMONO/STEREOSWITCHRIGHTINPUTb LEFl-OUTPUTTHERMAL -THERMALSENSORS bPROTECTION -SYSTEMASOFTTURN ON/OFFSYSTEM9180 / 9270 FUNCTIONA

NOIlVtl(NOIlVtl(

,R23 (SEE F&b CHART)lRl5RI711d+HV62:2N7000R40T -a-*, IZiRCUIT SCHEMATIC DIAGRAMRMSED 1 l/13/9111l---T-++'+Hvl---T-++'+Hv(SEE FL% CHART)R

NOTE!3 UNLESS SPECIFIED OTHERWISE1. ALL RESISTORS IN OHMS2. ALL CAPACITORS IN MICROFARADS3. COUPONENT DESIGNATORS:l-99: LEFT CHANNEL101-199: RIGHT

NOTICE - IMPORTANT SAFETY INFORMATIONWARNING: TO PREVENT FIRE ORSHOCK HAZARD, DO NOT EXPOSE THISEQUIPMENT TO RAIN OR MOISTURE.The lightning flash with

SERVICE POLICY AND LIMITED WARRANTYIf you encounter any difficulty or have any question concerning your 9180/9270 Amplifier, pleasecall our Customer S

11. NON-USE PERIODSDuring periods of extended non-use, the power cord should be unplugged from the power source.12. CLEANINGThe equipment should be cl

TABLE OF CONTENTSPERFORMANCE SPECIFICATIONS ... 4General Infor

PERFORMANCE SPECIFICATIONSGENERALINFORMATIONAll specifications are for 20 Hz - 20 kHz, at full power into 8 ohms, unless specified otherwise.Power Rat

INSTALLATIONRACK-MOUNTINGVENTILATION/PLACEMENTLINEVOLTAGEThe 9180/9270 Amplifier is supplied in either a 17” Black Version, or a 19” Silver Version.

LEFT/MONOGAINPOWER SWITCHUP - ONDOWN - OFFRACKMOUNT HOLES RIGHTRACK HANDLES(19” VERSION ONLY) GAIN(19” VERSION ONLY)9180 / 9270 AMPLIFIER FRONT PANEL

IMONO/STEREOSWITCHIN -MONO RIGtOUT --ISTEREO INAC LINEVOLTAGERATINGLINECORDCONNECTOR-T T-iTITLEFT/MONOINPUTMONO+OUTPUTRIGHT+ -LEFTOUTPUT OUTPUTI!I9180

OUTPUTSIAll output connections to the amplifier must be performed with the amplifier off!The left and right audio outputs from the amplifier are via s