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P777
H a n d b o o k Multichannel power amplifier
English
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a ttention!
Assurez-vous qu’il est possible de débranchez l’appareil aisément avec la fiche d’alimentation électrique à l’arrière de l’appareil. ATTENTION : afin de réduire les risques de choc électrique, n’ouvrez pas le boîtier de l’appareil. Les pièces internes ne sont La construction CLASSE I doit être connectée à une prise ayant consignes pas réparables par l’utilisateur. Pour tout problème matér
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Warning
Mains plug/appliance coupler is used to disconnect device and it shall remain readily operable. CAUTION: To reduce the risk of electric shock, do not remove cover (or back). No user serviceable parts inside. Refer CLASS I construction shall be connected to a MAINS safety servicing to qualified service personnel. socket outlet with a protective earthing connection. WARNING: To reduce the risk
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Thank you and congratulations for purchasing your Arcam FMJ P777 Multichannel power Contents amplifier. safety guidelines .......................................E-2 Arcam has been producing specialist audio products of remarkable quality for over three Important safety instructions........................... E-2 decades and the P777 is the latest in a long line of award winning HiFi equipment. The design Safety compliance ................................................ E-2 of the FMJ range
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o verview Placing the unit Power < Place the P777 on a level, firm surface, avoiding The P777 Multichannel Power Amplifier is built The P777 is supplied with a moulded mains plug already direct sunlight and sources of heat or damp. to Arcam’s traditional high quality design and fitted to the lead. Up to 3kW is drawn at maximum manufacturing standards. It is an extremely high- < The P777 is a powerful amplifier and a source of levels, so a heavy duty IEC mains cable is supplied. performance m
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Interconnect cables We recommend the use of high-quality screened cables that are designed for the particular application. Other cables will have different impedance characteristics that will degrade the performance of your system (for example, do not use cabling intended for video use to carry audio signals). All cables should be kept as short as is practically possible. It is good practice when connecting your equipment to make sure that the mains powe
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speakers Speaker placement Speaker wiring options n otes on making speaker The P777 allows connection of up to seven The surround left (SL) and right (SR) speakers Single wiring connections loudspeakers. All speakers, with the exception of the reproduce the ambient sound and effects present in a Single wiring is the conventional wiring method of < Do not make any connections to any amplifier subwoofer, should be arranged around your normal multichannel home cinema system. running a single c
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Single wiring ...etc... If each speaker has more than one pair of connecting terminals, use the terminals labelled l F or ‘Low Frequency’ for each speaker. Connect the positive terminal of the right speaker connection on the amplifier (coloured red and labelled +R) to the positive terminal of your right speaker. Similarly, connect the negative terminal of the amplifier (coloured black and labelled with R–) to the negative terminal of your speaker. Repeat th
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operation
In the unlikely event that the LEDs do not follow this Front panel control o perating procedure sequence when the unit is powered up, or they behave Once the relevant connections have been made, the abnormally at any time during use, then refer to the The front panel has a single control: a centrally located P777 can be switched on using the central button on the ‘Fault status indicators’ table on page 10 to discover why power on/off bu
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trouble- shooting no Lights on the Unit Sound only comes from some of the speakers < the signal (interconnect) leads are not wrapped around a mains lead. Check that: Check that: < try switching the ground lift on the back panel of < the power cord is plugged into the P777 and the < all speakers in the system are connected to the the processor (if available). mains socket outlet it is plugged into is switched P777. on. < you have configured your pre-amp to include all There is radio/televisi
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Fault status indicators The LED patterns below indicate the following fault conditions: LED status Description Amplifier action All LEDs are green This is the normal operating state of the amplifier. None During power up all LEDs stay red for an extended time The amplifier is waiting for the DC offset fault lines to To verify excessive DC offset voltage, remove the clear. A DC offset fault can occur if an excessive DC interconnect leads (with the P777 switched off) and turn voltage is present
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specifications All measurements are with 230V/50Hz mains power Continual improvement policy Maximum continuous output power Arcam has a policy of continual improvement for its All channels driven, 20Hz–20kHz, 8Ω 160W per channel; 1.05kW total products. This means that designs and specifications are subject to change without notice. All channels driven, 20Hz–20kHz, 4Ω 270W per channel; 1.62kW total One or two channels driven at 1kHz, 8Ω 170W per channel Radio interference The P777 is an audio
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Worldwide Guarantee This entitles you to have the unit repaired free of charge, during the first two years after purchase, at any authorised Arcam distributor provided that it was originally purchased from an authorised Arcam dealer or distributor. The manufacturer can take no responsibility for defects arising from accident, misuse, abuse, wear and tear, neglect product or through unauthorized adjustment and/or repair, neither can they accept responsibility guarantee for damage or loss oc
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E-13 English
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A&R cAMBRI d GE lT d, P EMBRok E AVENu E, WATERBEAc H, c AMBRId GE c B25 9QR, ENGl ANd SH213E Issue 2
