Owner’s Manual
Reference 750
Monaural Amplifier
Page 1: ...Owner s Manual Reference 750 Monaural Amplifier...
Page 2: ...ng 5 Accessories 5 Vacuum Tubes and Preparation for Use 5 Installation 5 6 Warnings 6 Description of Controls 6 7 Connections 7 8 Operating Procedure 8 Installation of Optional Cover 8 Servicing 9 Cle...
Page 3: ...ACUUM TUBE POWER AMPLIFIER REFERENCE 750 HIGH DEFINITION LIGHT BIAS METER V1 V3 V7 V2 SET SET CHECK R POWER LINE VOLTAGE V5 V15 V13 V9 CHECK V11 V8 V6 CHECK V4 V10 V12 V16 CHECK V14 POWER OUTPUT BIAS...
Page 4: ...UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS VOLTS SERIAL PLYMOUTH MINNESOTA MADE IN U S A CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE ONLY WITH SAME TYPE AND RATING 20A FUSE SL...
Page 5: ...e protectively packed in a separate carton save packing for possible future use 1 All input driver and output stage tube locations are clearly labeled with tube type and V number on the anodized plate...
Page 6: ...artridge stylus up or down Due to the immense power supply reserves high power output and wide bandwidth of the Reference 750 added emphasis must be placed on use of your preamplifier s mute switch fr...
Page 7: ...t of power whether the 4 8 or 16 ohm terminals are used provided the speaker and amplifier terminal impedances are matched IMPORTANT Use the best available speaker wires and interconnects Audio Resear...
Page 8: ...re Start Up 1 Secure input connection between the amplifier and your preamplifier attach speaker leads to the appropriate output terminals 2 Attach supplied power cord to rear IEC inlet of amplifier a...
Page 9: ...essing Please contact your dealer or importing distributor for instructions on proper disposal of this product in your country Or contact Audio Research Corporation 763 577 9700 for the name of your i...
Page 10: ...LATION Approximately 0 5dB 16 ohm load to open circuit Damping factor approximately 17 OVERALL NEGATIVE FEEDBACK 13dB SLEW RATE 20 volts microsecond RISE TIME 1 5 microseconds HUM NOISE Less than 0 2m...
