Summary of the content on the page No. 1
Opus 21
s80 Integrated Amplifier
Owner's Manual
r e s o l u t i o n
Summary of the content on the page No. 2
From all of us at Resolution Audio, thank you for choosing the Opus 21 s80 amplifier. We went to great lengths to design and produce an integrated amplifier that offers musical pleasure and superior performance. U n p a c k i n g After unpacking your Opus 21 s80 amplifier, inspect it for any shipping damage and contact us immediately if any is found. Do not plug it into the power supply if you find any shipping damage. Please keep all packing materials for future transport of your amplifier. Ship
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Turn off any associated components prior to connecting the Opus 21. This minimizes the chance of momentary electrical surges disturbing your system. Connect the OpusLink interconnect to both the cd player and Power Centre. Note that the cable can only be installed in one direction. Secure the connectors by hand-tightening the integral screws. Connect the Opus PowerLink cable to both the s80 and Power Centre. Note that the cable can only be installed in one direction. Connect your speaker cable
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Safety Precautions The lightning flash with an arrowhead symbol, within 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 C A U T I O N magnitude to constitute a risk of electric shock to RISK OF ELECTRICAL SHOCK persons. DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. The exclamation point within an equilateral triangle NO USER-SERVICEABLE PARTS INSID
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Warranty Resolution Audio warrants all products against faulty workmanship or defective materials for a period of three (3) years from date of shipment, with the exception of transport mechanisms. Transport mechanisms are covered for one (1) year. If a defect occurs within this period, Resolution Audio will repair, replace, or issue a credit for the product at our discretion. Prior to return, authorization is required. All merchandise must be returned in the original packing material with al
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Front Panel and Controls 1 2 3 4 5 6 DO NOT REMOVE COVER. connect only NO USER-SERVICEABLE PARTS C A U T I O N rs-232 in to opus 21 ps INSIDE. REFER SERVICING TO RISK OF ELECTRICAL SHOCK QUALIFIED SERVICE PERSONNEL. r e s o l u t i o n a u d i o DO NOT OPEN s a n f r a n c i s c o , c a l i f o r n i a u s a o p u s 2 1 s 8 0 7 9 s t e r e o a m p l i f i e r serial number: 2140000 speaker output speaker output 8 10 right inputs left 11 Rear Panel and 12 Connections 13
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Press to mute/un-mute the output. The volume level display will flash when muted. 1 2 Press to select input 1, balanced (XLR). 3 Press to select input 2, unbalanced (RCA). 4 Press to select input 3, unbalanced (RCA). RS-232 Input - DB9 female 5 For automated systems, connect to serial controller (listen-only). Opus PowerLink connection - 6 pin XLR male connector 6 Connect only to Opus 21 Power Centre using supplied cable. Speaker Output Left - Binding Post (optional) 7 Designed for cables with
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RS-232 Serial Control The s80 amplifier contains a serial control input which allows your entire Opus 21 family to be operated from an automated controller. The RS-232 port operates in listen-only mode and is opto-coupled to prevent ground loops. Programming commands and configuration details are available on our web site. Thermal Protection Due to the high-efficiency design of the s80, overheating is unlikely. Should the thermal protection be triggered, the amplifier will mute the outputs. The