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Related Manuals for Audio Research High Definition Reference 80S
Summary of Contents for Audio Research High Definition Reference 80S
- Page 1 Reference 80S H I G H D E F I N I T I O N ®...
- Page 2 There is only One Reference®...
- Page 3 Thank you for choosing the Reference 80S to be a part of your high performance music listening system. Since 1970, Audio Research has been creating some of the world’s finest audio equipment. Each piece is handcrafted in Minnesota, and has been designed to provide many years of listening enjoyment.
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Page 4: Table Of Contents
Contents Safety Instructions Warnings Installation Vacuum Tube Placement Before Operating the Reference 80S Tube Cage Removal Tube Cage Installation Ventilation Requirements In Your System Vacuum Tube Life Expectancy Connections Back Panel Connections Input Connectors Output Connectors Impedance Matching Remote Turn On RS-232 A.C. -
Page 5: Safety Instructions
Safety Instructions The lightning flash with arrowhead symbol with an equilateral triangle, is intended to alert the user to the presence of uninsulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (service) instructions in the literature accompanying the product. - Page 6 Safety Instructions • Warning: The apparatus shall be connected to a mains socket outlet with a protective earthing connection. • Protect the power cord from being walk on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. •...
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Page 7: Warnings
Warnings To prevent fire, or shock hazard, do not For continued protection against fire haz- expose your Reference 80S to rain or ard, replace the fuse only with the same moisture. type and rating as specified at the fuse holder Do not place objects containing water on top of this unit. -
Page 8: Installation
Installation Vacuum Tube Placement H I G H D E F I N I T I O N Vacuum Tube Installation Before operating the Reference 80S Carefully remove each vacuum tube from Your Reference 80S amplifier is shipped its protective foam and match its location with the vacuum tubes packed in a ‘V’... - Page 9 Tube cage removal and installation CAUTION: THIS STEP FOLLOWED BY USER IS ALLOWED ONLY ONCE FOR THE INITIAL INSTALLATION BEFORE POWERING UP THE PRODUCT FIRST. Warning: Tube replacement shall be done by skilled or service personnel, or qualified technician. Important The AC power supply cord must be disconnected from the amplifier before replacement or installation of vacuum tubes.
- Page 10 Installation Illustration 3 To install the cage: Gently place the cage on top of the chassis. Ensure the sides of the cage are fully seated on the top plate. Slowly slide the cage forward until the two locating screws engage with the cap screws behind the front panel.
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Page 11: Ventilation Requirements
If you have any questions hours. These life expectancies are only about correct installation, please consult approximate. Please consult with your with your authorized Audio Research dealer or Audio Research customer dealer or contact the factory at service@ support for more information. Warning: audioresearch.com. -
Page 12: Connections
Connections Back Panel Connections AC Power Coupler Remote Turn On Auto Shut Off Fan Speed RS-232 Bal/Single-Ended REFERENCE 80S RIGHT INPUTS LEFT INPUTS STEREO AMPLIFIER MINNEAPOLIS, MINNESOTA +12V RS-232 REMOTE TURN ON DEFEAT HIGH BALANCED AUTO SINGLE SHUT OFF FAN SPEED ENDED SINGLE T5.0AL250V... -
Page 13: Output Connectors
Heavy-duty output terminals are provided Use the best available speaker wires on the rear panel for 4, 8, or 16-ohm and interconnects. Audio Research speaker impedance loads. Using high- cannot emphasize this enough. As better quality speaker cables, securely fasten... -
Page 14: C. Power Connection
RS-232 Control The Reference 80S uses a grounding The Reference 80S has an RS-232 system that does not require a ground connector on the back panel, in the lifter adapter plug on the A.C. power cord event the amplifier is incorporated to minimize hum. -
Page 15: Back Panel Controls
Back Panel Controls Note The auto shut off feature is not in the High/Low Fan Speed signal path of the amplifier and has Allows adjusting fan speed to either low or no deleterious sonic effect on music high-speed setting. playback. Balanced/Single Ended Select balanced switch position for balanced input connection operation or... -
Page 16: Operation
Operation Front Panel Controls GhostMeter™ WATTS WATTS REFERENCE 80S VACUUM TUBE POWER AMPLIFIER HIGH DEFINITION ® METER TUBE ULTRALINEAR POWER LIGHT TRIODE MONITOR Power Ultralinear Triode Meter Light Tube Monitor... -
Page 17: Start Up
Start-Up Shut-Down Secure interconnects between the Mute preamplifier output. • • amplifier and your preamplifiero the appropriate output terminals. Turn off Reference 80S via front panel • power switch (or 12V trigger or RS-232). Attach supplied power cord to rear IEC •... - Page 18 KT150 these will void the factory warranty and output tubes approximately two minutes Audio Research will not be liable for any after the Reference 80S is turned on, and damage. Contact service@audioresearch.
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Page 19: Hour Counter
Hour Counter An LCD hour counter of elapsed tube operating time can be viewed on the back panel. This displays accumulated hours of vacuum tube service life. If the amplifier is unplugged from A.C. supply, the total accumulated hours are retained. Next to the hour counter is a recessed hour counter reset button;... -
Page 20: Maintenance
Because of its careful design and exacting may impede proper cooling, which could standards of manufacture, your Reference reduce component life. Audio Research 80S amplifier should normally require only therefore strongly recommends the minimal maintenance to maintain its high owner have the Reference 80S cleaned level of performance. -
Page 21: Disposal And Recycling Guidelines
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 importing distributor and how to contact them. Packing and shipping materials may... -
Page 22: Warranty
3-Year Limited Warranty beyond the ability of the importer is or a 90-Day Limited Warranty (vacuum required, Audio Research will fulfill the tubes). This Limited Warranty initiates terms and conditions of the Limited from the date of purchase, and is limited Warranty. -
Page 23: Specifications
Specifications Power Output: 70 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts (33 watts in Triode mode) per channel, below 0.04% at 1 watt (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not critical) Power Bandwidth: (-3dB points) 7Hz to 68kHz Frequency Response: (-3dB points at 1 watt) 0.7Hz to 94kHz... - Page 24 6655 Wedgwood Road North Maple Grove, MN 55311 www.audioresearch.com Specifications subject to change without notice. ©2020 Audio Research Corporation. Reproduction of this document in part or whole is expressly forbidden without written consent from Audio Research Corporation.
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