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1、naimNAPSC, STAGELINE, HEADLINEOWNERS MANUALENGLISHThis equipment has been tested and found to comply with the relevant EMC and Safety Standards, and, where applicable, also complies with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules.These limits are designed to provid
2、e reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.SAFETY INSTRUCTIONSIn order to
3、 comply with current European safety regulations it is essential that the Naim loudspeaker connectors supplied with amplifiers and loudspeakers are used.Do not under any circumstances allow anyone to modify your Naim equipment without first checking with the factory, your retailer, or your distribut
4、or. Unauthorised modifications will invalidate your guarantee.Equipment must not be exposed to dripping or splashing and no objects filled with liquid, such as vases, should be placed on the equipment.For your own safety do not under any circumstances open Naim equipment without first disconnecting
5、it from the mains.Warning: an apparatus with CLASS I construction shall be connected to a mains socket outlet with a protective earthing connection.Where the mains plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable. To disconnect the eq
6、uipment from the mains remove the mains plug from the mains outlet.The following label is attached to the NAPSC:WARNINGTHIS APPARATUS MUST BE EARTHED However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to rad
7、io or television reception, which can be determined by turning off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and the receiver. Connect the equip
8、ment into an outlet on a circuit different from that to which the receiver is connected. Consult your Naim retailer or an experienced radio/TV technician for help.ContentsPage Section112ConnectionsMains Power23General Installation44Product Introduction5NAPSC56Headline67Stageline88Declaration of Conf
9、ormityAccessoriesNaim Audio products are conceived with performance as the top priority. Careful installation will help ensure that their full potential is achieved. This manual covers the NAPSC power supply, the Headline headphone amplifier and the Stageline phono amplifier. It begins with general
10、installation notes and statutory safety warnings. Product specific information begins in Section 5.1 ConnectionsIt is important for both safety and performance that any standard cables supplied are not modified.1.1 Analogue Audio Interconnect CablesIf options are available with your equipment and in
11、stallation, DIN interconnect sockets should be used in preference to Phono sockets. One end of each Naim audio interconnect cable is marked with a band to establish its correct orientation. The band denotes the end that connects to the signal source. Naim Hi-Line interconnect cables will provide the
12、 best results.Audio interconnect plugs and sockets should be kept clean and free from corrosion. The easiest way to clean them is to switch off the equipment, pull the plugs out of their sockets, and push them back in again. Contact cleaners and enhancers should not be used as the film they deposit
13、may degrade the sound.2 Mains PowerWhere fused plugs are used 13 amp fuses should be fitted. Fuses of a lower rating will fail after a period of use. Do not wire voltage dependent resistors or noise suppressors into mains plugs. They degrade the mains supply and the sound.2.1 Mains Plug WiringIn som
14、e territories a mains plug may need to be fitted to the supplied mains lead. As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in the plug proceed as follows:The wire coloured GREEN and YELLOW must be connected to the terminal in th
15、e plug marked by the letter E or by the safety earth symbol or coloured GREEN or GREEN and YELLOW.The wire coloured BLUE must be connected to the terminal in the plug marked with the letter N or coloured BLACK.The wire coloured BROWN must be connected to the terminal in the plug marked with the lett
16、er L or coloured RED.2.2 Equipment FusesMains powered Naim Audio equipment is fitted with a mains fuse on the rear panel adjacent to the mains input socket. Replace it if necessary only with the spare fuse supplied or with an identical fuse. Repeated failure of the fuse points to a fault that should
17、 be investigated by your retailer or Naim Audio.2.3 Non-rewirable Mains PlugsIf a non-rewirable plug is cut from a mains lead (for whatever purpose) the plug MUST be disposed of in a way to render it totally useless. Considerable shock hazard exists if the cut-off plug is inserted into a mains outle
18、t.2.4 Mains Circuits and CablesA hi-fi system usually shares a mains circuit with other household equipment, some of which can cause distortion of the mains waveform. This distortion can in turn lead to mechanical hum from mains transformers. Some Naim transformers are large in size, making them rel
19、atively sensitive to such distortion, and it may be necessary to take account of transformer hum when siting your equipment.Transformer hum is not transmitted through the speakers and has no effect on the performance of the system; however, a separate mains circuit may reduce it. Such a circuit (ide
20、ally with a 30 or 45 Amp rating) will also generally improve system performance. Advice on the installation of a separate mains circuit should be sought from a qualified electrician.Use only the mains leads and plugs supplied or the Naim Power-Line mains cable.3 General InstallationNaim equipment is
21、 designed to offer the finest performance possible avoiding compromise wherever practical. This can lead to circumstances that may be unfamiliar. The notes that follow contain advice specifically related to Naim equipment as well as more general warnings about the use of domestic audio products. Ple
22、ase read them carefully.3.1 Siting The EquipmentIn order to reduce the risk of hum audible from the loudspeakers, power supplies and power amplifiers should be located a reasonable distance away from other equipment. The maximum separation distance for connected equipment is that allowed by the stan
23、dard interconnect lead.Some Naim equipment is extremely heavy. Check the weight of the equipment prior to lifting and if necessary use more than one person so that it can be moved safely. Ensure that your equipment rack or table can easily support the weight and is stable.3.2 Switching OnSource comp
24、onents and power supplies should be switched on before power amplifiers. Always switch amplifiers off and wait a minute before connecting or disconnecting any leads. Always use the power switch on the product rather than a mains outlet switch.A thump may be heard from the loudspeakers as power ampli
25、fiers are switched on. This is normal, will not cause any loudspeaker damage and does not point to any fault or problem. A mild pop may also be heard shortly after equipment is switched off.3.3 Running InNaim equipment takes a considerable time to run in before it performs at its best. The duration
26、varies, but under some conditions the sound may continue to improve for over a month. Better and more consistent performance will be achieved if the system is left switched on for long periods. It is worth remembering however that equipment left connected to the mains can be damaged by lightning.3.4
27、 Radio InterferenceIn some circumstances, depending on where you live and the earthing arrangements in your home, you may experience radio frequency interference. Controls on broadcasting in some territories allow very high levels of radio frequency radiation and both the choice and exact siting of
28、equipment may be critical. Susceptibility to radio frequency interference is related to the wide internal bandwidth necessary for high sound quality. A radio frequency filter kit is available for some Naim equipment but sound quality will be progressively compromised as more elements of the kit are fitted.3.5 Lightning PrecautionsYour Naim hi-fi system can be damaged by lightning and should be turned off and disconnected from the mains when there is risk of lightning. For complete protection all mains plugs and any aerial cables should be disconnected when not in use.