Audio Research Reference 750 Manual do Proprietário

!Owner’s Manual !!!!!!! Reference 750 Monaural Amplifier ! !! !

!10!Specifications POWER OUTPUT: 750 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 7

!2!Contents Reference 750 Monaural Amplifier Illustrations 3 – 4 Preface 5 Packaging 5 Accessories 5 Vacuum Tubes and Preparation for Use

!3! VACUUM TUBE POWER AMPLIFIERREFERENCE 750 HIGH DEFINITIONLIGHT BIAS METERV1 V3 V7 V2SET SETCHECKRPOWERLINE VOLTAGEV5V15 V13 V9CHECKV11V8 V6CH

!4! REFERENCE 750MONAURAL AMPLIFIERWARNINGTO PREVENT FIRE AND SHOCK HAZARD, DO NOTEXPOSE THIS DEVICE TO RAIN O

!5!Preface Please take time to carefully read and understand the following information and instructions before you install or attempt to ope

!6!of your support system to be sure it is rated to handle this weight. If the unit is to be operated in an enclosure such as an equipmen

!7!hole in the front panel in same way the V1 tube bias level is adjusted. Again, press the BIAS switch repeatedly to check V4, V6,

!8!amplifier will amplify any extraneous turn-on noises those components might generate, which could potentially damage the loudspeakers.

!9!Servicing Because of its careful design and exacting standards of manufacture, your Reference 750 amplifier should normally require