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5

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.

The 3 wavy lines symbol within an equilateral triangle is intended to alert the 

user to the presence of a hot surface on the exterior case of the product.

• 

Read these instructions. 

• 

Keep these instructions. 

• 

Heed all warnings. 

• 

Follow all instructions. 

• 

Do not use this apparatus near water 

• 

Clean only with dry cloth. 

• 

Do not block any ventilation openings. Install in accordance with the manufacturer’s 

instructions. 

• 

Do not install near any heat sources such as radiators, heat registers, stoves, or other 

apparatus (including amplifiers) that produce heat.

• 

Do not defeat the purpose of the polarized or grounding-type plug. A polarized plug has 

two blades with one wider than the other. A grounding-type plug has two blades and a 

third grounding prong. The wide blade or the third prong are provided for your safety. If 

the provided plug does not fit into your outlet, consult an electrician for replacement of 

the obsolete outlet.

Содержание High Definition Reference 80S

Страница 1: ...H I G H D E F I N I T I O N Reference 80S...

Страница 2: ...There is only One Reference...

Страница 3: ...are eager 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 please allow an appropri...

Страница 4: ...ating the Reference 80S Tube Cage Removal Tube Cage Installation Ventilation Requirements In Your System Vacuum Tube Life Expectancy Back Panel Connections Input Connectors Output Connectors Impedance...

Страница 5: ...t surface on the exterior case of the product Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth D...

Страница 6: ...ture does not operate normally or has been dropped WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE DO NOT EXPOSE THIS APARATUS TO DRIPPING OR SPLA...

Страница 7: ...when off does not disconnect all power from this unit This unit is in sleep mode when not on For continued protection against fire haz ard replace the fuse only with the same type and rating as specif...

Страница 8: ...um tube installation Vacuum Tube Installation Carefully remove each vacuum tube from its protective foam and match its location V number written on the base of the tube to the V number screened next t...

Страница 9: ...nnel or qualified technician Important The AC power supply cord must be disconnected from the amplifier before replacement or installation of vacuum tubes To remove the cage Use the supplied 7 64 hex...

Страница 10: ...slide the cage forward until the two locating screws engage with the cap screws behind the front panel See illustration 4 When the cage rear flange is flush with the rear edge of the chassis the cage...

Страница 11: ...System To ensure normal component life and safe operation this unit should only be operated in an upright position The special non marring elastomer feet provide adequate spacing and stability only o...

Страница 12: ...HAZARD REPLACE ONLY WITH SAME RATING FUSES 500 WATTS MAX 50 60Hz CLASS 2 WIRING CLASS 2 WIRING T3 15AL250V 220 250V T5 0AL250V 100 120V L R RIGHT INPUTS Do not connect the balanced XLR input connector...

Страница 13: ...est impedance match empirically for best overall sonic results by trying different output taps Connect the Reference 80S input to the preamplifier or electronic crossover using only the highest grade...

Страница 14: ...dio equipment should be connected to a different power circuit and breaker if possible The Reference 80S uses a grounding system that does not require a ground lifter adapter plug on the A C power cor...

Страница 15: ...f paragraph under this Operation section for a more detailed description of this function About Auto Shut Off The Reference 80S auto shut off feature is designed to turn the amplifier off after two ho...

Страница 16: ...MODE WATTS 0 00037 0 0037 0 037 0 37 3 7 37 PENTODE MODE 0 00075 0 0075 0 075 0 75 7 5 75 CAUTION TRIODE MODE WATTS REFERENCE 80S VACUUM TUBE POWER AMPLIFIER HIGH DEFINITION POWER METER LIGHT TUBE MO...

Страница 17: ...80S should be turned on after the other components of your system If the Reference 80S is turned on before other components the amplifier will amplify any extraneous turn on noises those components m...

Страница 18: ...sets the idle current at 65mA per tube It is always recommended owners purchase replacement tubes from Audio Research Corp While the auto bias adjusts the idle current of each of the four KT150 output...

Страница 19: ...r reset button after replacing vac uum tubes press this button to reset the hour counter back to zero Note that once the hour counter has been reset it is no longer possible to recall the previous hou...

Страница 20: ...search Corporation at service audioresearch com or call 763 577 9700 You may also initiate a service request by visiting the Audio Research website www audioresearch com and selecting Service Repair f...

Страница 21: ...of the front panel and the GhostMeterTM panel Disposal and Recycling Guidelines To dispose of this electronic product do not place in landfill In accordance with the European Union Waste Electrical a...

Страница 22: ...ed the responsibility for warranty of Audio Research products sold by them The specific terms and remedies for fulfillment of the Limited Warranty may vary from country to country Warranty service sho...

Страница 23: ...SE for rated output Input Impedance 300K ohms Balanced 75K ohms Single Ended Output Polarity Non inverting Balanced input pin 2 IEC 268 Output Taps 16 ohms 8 ohms 4 ohms Output Regulation Approximate...

Страница 24: ...out notice 2020 Audio Research Corporation Reproduction of this document in part or whole is expressly forbidden without written consent from Audio Research Corporation 6655 Wedgwood Road North Maple...

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