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The rules should oblige the seller to give the purchaser an operating instrucion of Cambridge Audio 650A, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Cambridge Audio 650A one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Cambridge Audio 650A. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Cambridge Audio 650A should contain:
- informations concerning technical data of Cambridge Audio 650A
- name of the manufacturer and a year of construction of the Cambridge Audio 650A item
- rules of operation, control and maintenance of the Cambridge Audio 650A item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Cambridge Audio 650A alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Cambridge Audio 650A, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cambridge Audio service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Cambridge Audio 650A.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Cambridge Audio 650A item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Y our music + our passion 550A/650A azur ENGLISH Integrat ed amplifier User’s manual 2[...]
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2 Contents Introduction Introduction .............................................................................................. 2 Important safety instructions .................................................................. 3 Limited warranty ...................................................................................... 4 Rear panel [...]
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3 550A/650A azur Impor tant safety instructions For y our own safety please read the f ollowing important safety instructions carefully before att empting to connect this unit t o the mains power supply . They will also enable you to get the best performance fr om and prolong the lif e of the unit: 1. Read these instructions. 2. Keep these instruct[...]
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4 Limited warranty V entilation IMPORT ANT – The unit will become hot when in use. Do not place anything on top of the unit. Do not place in an enclosed area such as a bookcase or in a cabinet without sufficient ventilation. Ensure that small objects do not fall thr ough any ventilation grille. If this happens, switch off immediately , disconnec[...]
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5 550A/650A azur Rear panel connections Pow er On/Of f Switches the unit on and off. This switch is a master on/of f contr ol that, when switched off, overrides the Standby/On butt on on the front of the unit and that on the remote contr ol. AC po wer socket Once you ha ve completed all connections t o the amplifier , plug the AC po wer cable into[...]
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6 Connections When designing our amplifiers we include f eatures that allow you t o connect your system in v arious ways. The inclusion of f eatures such as Pre-Out and Speaker B connections mean that y ou can flexibly configure your system depending on y our requirements. Basic connection The diagram below shows the basic connection of y our am[...]
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7 550A/650A azur Pre-Out connections The Pre-Out sockets are f or connecting to the input sock ets of a power amplifier , such as Cambridge Audio’s 840W model, or active subwoof er. The diagram below shows ho w to connect the amplifier t o an active subwoof er via the Line In inputs on the subw oofer . ENGLISH Speaker B connections The Speaker [...]
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8 F ront panel controls Standby/On Switches the unit between Standby mode (indicat ed by dim pow er LED) and On (indicated b y bright power LED). Standby is an eco po wer mode where the power consum ption is less than one watt. The unit is designed so that it can be left safely in Standby mode when not in use. Phones Allows f or the connection of h[...]
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9 550A/650A azur Remote control Apple device compatibility The 550A and 650A are supplied with an Azur Navigat or remote contr ol that operates both this am plifier and Cambridge Audio Azur range CD play ers. Inser t the supplied AAA batteries t o activate. The functions relevant t o the amplifier are as follo ws: Standby/On Switches the amplifi[...]
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10 CAP5: Fiv e-way protection system Cambridge Audio has de veloped a proprietary prot ection system to ensure reliability and long life of its am plifiers. This protection syst em comprises five main pr otection methods: 1. DC detection Indicator – Unit has switched off during operation, prot ection LED constantly flashes in single bursts. De[...]
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11 550A/650A azur T roubleshooting T echnical specifications 550A Power output 60 watts (into 8Ω) THD (unweighted) <0.002% @ 1kHz, 80% of rated pow er <0.05% 20Hz - 20kHz, 80% of rated power <0.02% 20Hz - 20kHz @ 1 0W F requency response (-1dB) 5Hz - 50kHz S/N ratio (ref 1W) >92dB (unw eighted) Input impedances 4 7kohms Power Amp dam[...]
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Cambridge Audio is a brand of A udio Par tnership Plc Regist ered Office: Galler y Court, Hankey Place London SE1 4BB, United Kingdom Regist ered in England No. 29533 13 www.cambridge-audio.com © 20 10 Cambridge A udio Ltd AP22943/3[...]