12
Operation
POWER
Power
On/Off
On/Off L.E.D.
VT80
FRONT VIEW
Front Panel Controls and Displays
Page 1: ...VT80 Stereo Power Amplifier...
Page 2: ......
Page 3: ...r to begin listening however please take a few minutes to read through this guide for useful information concerning the operation of your new amplifier Once installed the performance of this amplifier...
Page 4: ...Controls and Connections 8 Input Connectors 9 Output Connectors 9 Important 9 Matching 9 A C Power Connection 10 Remote Turn on 11 RS 232 Control 11 Operation 12 Front Panel Controls and Displays 12 S...
Page 5: ...er may be removed its use is recommended to prevent accidental contact with the hot vacuum tubes For continued protection against fire hazard replace the fuse only with the same type and rating as spe...
Page 6: ...6 Installation Top Plate KT120 Vacuum Tubes 6H30 Vacuum Tube 6H30 Vacuum Tube KT120 Vacuum Tubes VT80 TOP VIEW...
Page 7: ...ard surface and also assist to isolate the amplifier from spurious vibrations For upright stability and best performance never operate the unit while it is sitting on a soft surface such as a thick ru...
Page 8: ...ter RS 232 Connector Fuse 12V Trigger Input Balanced Single Ended Switch Defeat Auto Shut Off Switch Speaker Terminals left channel Speaker Terminals right channel Inputs right channel Inputs left cha...
Page 9: ...ust be made to use such systems Contact Audio Research customer support for more information Connections Important Use the best available speaker wires and interconnects Audio Research cannot emphasiz...
Page 10: ...input to the preamplifier or electronic crossover using only the highest grade of audio interconnect cables To avoid sonic degradation use the shortest practical length of cables Note The VT80 will n...
Page 11: ...large audio system Use a 3 5mm 140 diameter mini plug to connect to the 12V TRIGGER IN jack on the rear of the VT80 The 12V TRIGGER IN jack should be connected to the 12VDC output of the master contro...
Page 12: ...12 Operation POWER Power On Off On Off L E D VT80 FRONT VIEW Front Panel Controls and Displays...
Page 13: ...has been reset the total accumulated hours cannot be recalled Start Up Secureinterconnectsbetweentheamplifier and your preamplifier attach speaker leads to the appropriate output terminals Attach supp...
Page 14: ...rove with continued use Auto Bias TheVT80incorporatesahighlysophisticated auto bias circuit for each individual output tube There are no user adjustable bias controls Eachtubewillauto biasuponinitial...
Page 15: ...rials may be disposed of in a normal manner Vacuum Tubes It is recommended that you replace the vacuum tubes of your VT80 in sets All of the tubes in your amplifier have been matched to have similar o...
Page 16: ...de the United States the authorized importing retailer or distributor has accepted the responsibility for warranty of Audio Research products sold by them The specific terms and remedies for fulfillme...
Page 17: ...n 2 IEC 268 OUTPUT TAPS 8 ohms 4 ohms OUTPUT REGULATION Approximately 1 0dB 8 OHM LOAD TO OPEN CIRUCIT Damping factor approximately 8 OVERALL NEGATIVE FEEDBACK 15dB SLEW RATE 10 volts microsecond RISE...
Page 18: ...notice 2016 Audio Research Corporation Reproduction of this document in part or whole is expressly forbidden without written consent from Audio Research Corporation 3900 Annapolis Lane North Plymouth...
