AMC XIA User Manual
Contents
1. TAPE INPUT This input is suitable for use with most cassette reel to reel or video recorders Connect the record leads of your tape recorder to the phono sockets marked Tape out on the rear of your amplifier using phono phono leads Connect the playback leads of your tape recorder to the phono sockets marked Tape in on the rear of your amplifier using phono phono leads If your tape machine processing DIN outputs then DIN phono leads or a DIN phono adaptor can be used If you experience level matching problems when using DIN connectors please consult your tape machine manufacturer PRE OUT MAIN IN Normally the pre amplifier and power amplifier sections of this unit are connected together via factory installed U shaped metal jumpers that bridge the PRE OUT and MAIN IN jacks Check to be sure that they are fully inserted into the jacks and that nothing is touching them By switching OFF the power and removing the metal jumpers you can connect a signal processor such as a surround sound decoder or an electronic crossover in the path between preamp and power amp Connect a cable from PRE OUT to the processor s input and a second cable from the processor s output to MAIN IN LOUDSPEAKERS Your AMC amplifier is designed to drive loudspeakrs with a nominal impedance of 4 8 ohms However XIA can only drive 4 ohm speakers by switching the impedance selector on the rear panel of the unit to the 4 ohm setting LOUDSPEA2. electric shock to persons intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance INTRODUCTION The AMC remote controllable integrated amplifiers XIA offer in an innovative and elegant design an affordable combination of high quality sound reproduction and comprehensive facilities The integrated amplifier accepts five inputs Phono CD Tuner Aux USB and Tape is compatible with both moving magnet and moving coil cartridges has full tape monitoring capabilities and also both a direct switch allowing the tone control circuitry to be by passed for improved sound quality To get the best from your amplifier please study this manual carefully Should you experience any problems please discuss them with your dealer who has a full knowledge of AMC products and their use in a variety of systems INSTALLATION Your AMC amplifier is supplied set to work on your local mains supply voltage Check that your local mains supply voltage agrees with the voltage setting indicated on the back panel of the amplifier If not please contact your dealer or national distributor for details on how to proceed further Note All connections must be completed and AC Selector should be set to correct voltage before plugging in power cord and turning the power on FUSES If the mains plug is fused fit a 3amp fuse Your AMC amplifier conta
3. is a three head type suitable for A B monitoring then turning the Tape Monitor switch to the Tape position will allow full off tape monitoring of the recorded signal to be carried out via the loudspeakers headphones VOLUME CONTROL The volume control adjusts the overall loudness level of the sound It has no effect on the level of the signals fed to the TAPE OUT jacks for tape recording The Volume control is designed for accurate tracking of its two channels so that the stereo balance will not shift noticeably as the loudness of the sound is varied TONE CONTROLS The tone controls on your AMC amplifier use low colouration passive circuitry to ensure the minimum degradation of the music signal They are designed to gradually modify the tonal emphasis of the music and to compensate for such problems as difficult room acoustics If required the tone controls can be completely by passed with a resultant increase in sound quality To do this simply turn the Direct Mute switch to the Direct position With the Direct Mute switch in the normal position the tone controls will cut their respective frequencies when turned anti clockwise and boost them when turned clockwise The flattest response is found when the controls are in the 12 o clock position PHONES The headphone socket will accept any headphones fitted with a standard 1 4 6 35mm stereo jack plug When Headphones are in use the output to your loudspeakers will b
4. respect to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit sizeofgrounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode See Figure a Use No 10 AWG 5 3 mm copper No 8 AWG 8 4 mm aluminum No 17 AWG 1 0 mm copper clad steel or bronze wire or larger as a ground wire b Secure antenna lead in and ground wires to house with stand off insulators spaced from 4 6 feet 1 22 1 83 m apart c Mount antenna discharge unit ascloseaspossibletowhere lead in enters house d Use jumper wire not smaller than No 6 AWG 13 3 mm copper or the equivalent when a separate antenna grounding electrode is used See NEC Section810 21 j Antenna Grounding According to the National Electrical Code Antenna Lead In Wire Antenna Discharge Unit Section 810 20 Power Service Grounding Electrode System NEC Art 250 Part gt lt National Electrical Code AvailablefromLibrary book stores or National FireProtection Association Batterymarch Park Quincy MA 02269 AMC 21 3004 Grounding Conductors NEC Section 810 21 WELTRONICS CORP LONDONIL A AMC Web http www amchome com PN 21 4160
5. 150mV Phono NDUE Mali lei 0 5mV 2 7mV MO cito 0 05mV 0 27mV Input impedance High level Input 20K ohms Phono input MM ME ss cda 47 ohms 100pF Frequency response Tone bypass 20H2z 20 EPI orli lio 0 5dB peii Pula darn DS 1 0dB High level inpus 36B eli lalla 10Hz 60KHz Signal to noise ratio ref 1W 8 ohms meae ss Net W IUBE e 88dB PROMO Inputs A VVT DL a i 80dB Separation 20 20 FE smeralda gt 65dB Tone control range Bassat P MP 10dB Treble at 2 at 8 11dB Overall TeSdD36K kt a 26 29dB PHYSICAL Dimensions WX HX DL 430x82x288 mm Net weights MEET 8 2 Kgs Shipping weight li ai a 34 3 Kgs Fisici black or silver Weltronics Corp reserved the right to improve its products at any time Specifications are subject to change without notice SAFETY INSTRUCTION READ INSTRUCTIONS All the safety and operating instructions should be read before the appliance is operated RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference HEED WARNINGS All warnings on the appliance and in the operating instructions shouldbeadheredto FOLLOW INSTRUCTIONS All operating and use instructions should be followed WATER AND MOISTURE The appliance should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet
6. AMC XIA STEREO INTEGRATED AMPLIFIER With option of USB connector for networking to other equipment computer LAN and so the internet LAN 8 Internet D 2 RT 5 Gi Bi 4 gt HOME IZ e e e E l AAAENANE EANAN 8SNANAXA XSeAN jNNN Eklllebl e 6 e5E reo Integrated Ai AUTOMATION NORM MU PHONO TUNER Stel mplifier XIA N SERIES BAI ANCE IAL nass TREBLE TAPE DIRECT SOURCE 63 Cy 9 Cy e i INSTRUCTIONS FOR INSTALLATION AND OPERATION CAUTION RISK OF ELECTRIC SHOCK DO CAUTION REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL A ATTENTION RISQUE DE CHOC ELECTRIQUE N OUVRIR PAS AFIN DEVITER UN CHOC ELECTRIQUE ET LES CONSEQUENCES GRAVES QUI POURRAIENT EN RESULTER TENTEZ PAS D OUVRIR L APPAREIL ET DE TOUCHER AUX COMPOSANTS INTERNES A PRECAUCION RIE SGO DE ELECTROCHOQUE NO ABRIR LA TAPA PARA REDUCIR EL RIESGO DE SACUDIDAS ELECTRICAS NO DEBERA QUITARSE LA TAPA NI PARTE POSTERIOR CONSULTESE AL PERSONAL CAPACITADO PARA LAS REPARACIONES INTERNAS SANS LA PRESENCE D UNE PERSONNE QUALIFIEE WARNING TO PREVENT FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE ADVERTENI
7. Anpassung wenn notwendig mu von einem qualifizieren Techniker in einer AMC Servicestation vorgenommen werden NOTA Ciertos componentes de AMC est n dotados de transformadores de doble tensi n o de varias tensiones lo que se indica en el panel posterior Si se desea cambiar la tensi n s rvanse llevar el aparato a un t cnico autorizado por AMC para su conversi n interna NOTE TO CATV systems installer This reminder is provided to call the CATV system installer s attention to Article 820 22 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical NOTA PARA EL INSTALADOR DE ANTENAS DE TELEVISION COLECTIVAS La presente advertencia se provee para llamar la atenci n del instalador al Art culo 820 22 de NEC C rdigo El ctrico Nacional donde se facilitan las directrices para la pertinente puesta a tierra y que especifica en particular que el condutor a tierra del cable debe connectarse al sistema de conexi n a tierra del edificio lo m s proximo posible al punto de entrada del cable The lightning flash with arrowhead within an equilateral The exelamation point within an equilateral triangle is triangle is intended to alert the user of the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of
8. CIA PARA EVITAR EL RIESGO DE INCENDIO O SACUDIDA ELECTRICA NO DEBERA EXPONERSE ESTE APARATO A LA LLUVIA O HUMEDAD CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARISED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE ATTENTION POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLONGATEUR UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT SAUF SILES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT PRECAUCION PARA EVITAR SACUDIDAS ELECTRICAS NO DEBERA UTILIZARSE ESTA CLAVIJA POLARIZADA CON UN CORDON DE PROLONGACION RECEPTACULO U OTRO TIPO DE SALIDA A MENOS QUE SE HAYAN INSERTASO COMPLETAMENTE LAS LENGUETAS PARA EVITAR SU EXPOSICION NOTE Some AMC products are equipped with dual or multi voltage transformers which is indicated on the back panel If you wish to change the voltage please bring your unit to an authorised AMC service technician for internal conversion ATTENTION Quelques pi ces AMC sont munies de transformateurs a double ou multi voltage indiqu au panneau arri re Si vous voulez changer le voltage veuillez apporter votre appareil au fournisseur de AMC pour le transformer ZUR BEACHTUNG Einige AMC Ger te sind mit Umschaltern f r unterschiedliche Netzspannungern ausger stet Ein Vermerk auf der R ckseite weist darauf hin Die
9. KER CONNECTIONS The loudspeaker output terminals will accept 4mm banana plugs spade connectors pin connectors or bare wires Connect the negative side usually black of your left hand loudspeaker lead to the black terminal of the two terminals marked left on the rear of your amplifier The other side of your left hand speaker lead the positive side or red should be connected to the red terminal marked left Repeat this operation for the right hand loudspeaker Your AMC amplifier is capable of generating high peak currents so all connections must be checked to avoid inadvertent short circuits and to ensure a good clean contact UNDER NO CIRCUMSTANCES SHOULD THE OUTPUTS BE SHORTED TOGETHER Such action will damage output circuitry and is not covered by guarantee AC SWITCHED OUTLETS The AC convenience outlet is fitted so that other components can be powered when your amplifier is switched on UNDER NO CIRCUMSTANCES SHOULD THE CASE OF THE AMPLIFIER BE OPENED BY ANYONE OTHER THAN A QUALIFIED ENGINEER AS DANGEROUS VOLTAGES ARE PRESENT INSIDE ANY UNAUTHORISED REPAIR MAY INVALIDATE YOUR WARRANTY HEATSINK VENTILATION REQUIRE MENTS The heat produced by your AMC amplifier during normal operation is dissipated by an during normal operation is dissipated by an internal finned heatsink It is perfectly normal for your amplifier to become quite warm and to radiate heat when in use especially if it is run near full power Howe
10. LANCE CONTROL The Balance Control adjusts the relative levels of the left and right channels It has no effect on recordings being made A detent at the 12 o clock position marks the point of equal balance Rotation of the Balance Control to the right clockwise decreases the level of the left channel so that only the right channel is heard Rotation to the left shifts the sonic image toward the left speaker Adjust the Balance Control to produce a natural spread of sound across the space between the speakers with any monophonic sound such as a radio announcer s voice appearing as a phantom image centered midway between them Recordings often contain small errors in channel balance typically no more than 2dB but this is enough to degrade stereo imaging Small compensating changes in the setting of the Balance Control can significantly improve the depth and stability of the stereo image INPUT SELECTION The rotary input selector switch selects which input signal Phono CD Tuner or Aux USB is fed to the power amplifier The selected signal is also fed to the Tape out sockets for recording TAPE MONITOR SWITCH The Tape Monitor switch is generally left in the Source position so that the programe selected by the input switch is routed to the loudspeakers headphones If the Tape Monitor switch is turned to the Tape position the signal from the tape recorder is routed to the loudspeakers headphones If your tape machine
11. basement ornear a swimming pool etc CARTS AND STANDS The appliance should be used only with a cart or stand that is recommended bvthemanufacturer ECARTWARNING 6A An appliance and cartcombination should be 10 11 12 13 14 15 movedwithcare Quick stops excessive force anduneven surfaces m ay cause the appliance andcart combination to overturn WALL OR CEILING MOUNTING a This equipment is not designed for use mounted on a wall ora ceiling VENTILATION The appliance should be situated so that its location or position does not interfere with its proper ventilation For example the appliance should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed ina built in installation such as bookcase or cabinet that may impede the flow of air through the ventilation openings HEAT The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produceheat POWER SOURCES The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance POWER CORD PROTECTION Power supply cords should be routed so that theyarenotlikely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from t
12. e cut and all the amplifier s functions will operate as normal MUTING Bv turning the Direct Mute switch to Mute it is possible to cut the output to vour loudspeakers a feature which will prove useful in situations where a lower volume level mav be required for short periods e g for a phone call ect TAPE RECORDING All sources Phono CD Tuner and Aux USB can be recorded via the tape connections To record an input select the required source and set your recorder to the record mode To record from one tape recorder to another the playback recorder should be plugged into the Aux USB socket and the recording machine into the Tape socket The input selector switch should be set to Aux USB A recording can now be made in the normal way PLAYBACK Set the Tape Monitor switch to the Tape position and set your recorder into the playback mode REMOTE CONTROL VOLUME 1 INPUT SELECTOR These buttons select any one of the eight sources that are connected to the inputs of the XIA PHONO CD TUNER AUX USB 2 VOLUME CONTROL A VOLUME UP V VOLUME DOWN SPECIFICATIONS Rated Power into 8 4 MMS via Lia ez uli si insib 45 60W With both channels driven Rated 2 ore nec ee Due es re ere erent eer emer rere 0 05 1KHz clipping power into 8 4 ohms i 48 65W Input Sensitivity for 1W Rated Power into 8 ohms level ai edat aa 23mV
13. he appliance CLEANING The appliance should be cleaned only as recommended by the manufacturer NONUSE PERIODS The power cord of the appliance should be unplugged from the outlet when left unused for along period of time OBJECT AND LIQUID ENTRY Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings SERVICING The user should not attempt to service the appliance beyond that described in the operating instructions All other servicing shouldbereferredtoqualified service personnel 16 17 18 DAMAGE REQUIRING SERVICE The appliance should be serviced by qualified service personnel when a The power supply cord or the plug has been damaged or b Objects have fallen or liquid has been spilled into the appliance or c Theappliance has been exposed to rain or d The appliance does not appear to operate normally or exhibits a marked change in performance or e The appliance has been dropped or the enclosure is damaged POWER LINES APPLIES TO TUNERANDRECEIVERS ONLY Anoutdoor antenna should be located away frompower lines OUTDOOR ANTENNA GROUNDING APPLIES TO TUNERANDRECEIVERS ONLY If an outside antenna is connected to the receiver be sure the antenna system is grounded so as to provide some protection against voltage surges and built upstatic charges Section 810 ofthe National Electrical Code ANSI NFPANo 70 1984 provides information with
14. ins fuses which are designed to protect the amplifier and prevent the occurrence of a dangerous fault condition These should only be inspected and replaced by a competent engineer using the correct replacement types FEATURE Unique phono stage design that employs two audiophile grade op amps per channel that provide very low THD TIM and noise together with switchable MM MC sensitivities AMC XIA is designed with option of USB connector for networking to other equipments computer LAN and so the Internet creates CD quality sound from computer and Internet through the USB linking system designed in AMC IA system The high overload tone control stage can be completely by passed with the DIRECT switch to give natural sound quality Special designed passive Tone control circuit to give natural sound quality Uses audiophile grade components through out providing exceptional accuracy to phono and tone control responses High overload margin on tone control circuit by virtue of its topologies Power amplifiers with 30 Amp high peak output current devices to offer capabilities to drive almost all types of speaker systems Power amplifiers with special designed perfect virtual image topology to make it possible to be without output relays The topology connects amplifier outputs to speaker systems without relay contacts to offer best possible sound quality Using high output current devices with o
15. parallel with auxiliary input PHONO INPUT This input is suitable for both moving magnet and moving coil cartridges For either type of cartridge the plugs on your turntable lead should be connected to the phono input sockets on the rear panel of your amplifier To minimize hum the turntable lead should be kept away from the mains wiring and any separate turntable ground lead should be attached firmly to the earth terminal on the rear of the amplifier A switch adjacent to the disc input sockets allows the selection of either MM or MC input Facing the back of the amplifier move the switch to the right for use with MM or high output MC cartridges and to the left for use with normal low output MC cartridges Note Never operate the MM MC selector switch with the volume control turned up as the resultant electrical surge may damage your loudspeakers CD INPUT The CD input is suitable for use with any CD player Connect your CD player to the amplifier using the phono sockets marked TUNER INPUT The Tuner input is suitable for use with most AM FM tuners Connect vour tuner to the amplifier using the phono sockets marked Tuner AUXILIARV INPUT The Auxiliarv input is suitable for use with anv extra source processing a line level output perhaps a second tuner or CD plaver or an additional tape or video recorder wired for replav oniv The auxiliarv input is in parallel with the analog output of the USB connector
16. ptimized power supply designs the power amplifiers can be only protected with fuses on power supplier side in order to delivery extremely high output current in demand to give superb sound quality With universal power transformer passed all international safety standards end users can use the unit in all countries by re setting the AC select to correct voltage Heavy duty gold plated speaker binding posts and phono connectors for ultra reliable connections REAR PANEL CONNECTIONS FRONT PANEL CONTROLS REAR PANEL o Integrated Amplifier Ste WELTRONICS CORP 2 3 4 5 6 7 8 9 10 11 12 13 14 1 USB 8 TAPE INPUT 2 PHONO MM MC INPUT SELECTION SWITCH 9 TAPE OUTPUT 3 PHONO GROUND TERMINAL 10 PRE OUT MAIN IN 4 PHONO INPUT 11 LOUDSPEAKER TERMINALS 5 AUX INPUT 12 AC SELECT SWITCH 6 TUNER INPUT 13 AC SWITCHED OUTLET 7 CD INPUT 14 AC RECEPTACLE FRONT PANEL Stereo Integrated Amplifier AUTOMATION SERIES 1 2 3 4 5 6 7 8 9 10 1 POWER SWITCH 6 BASS CONTROL 2 INFRARED RECEIVER 7 TREBLE CONTROL 3 BALANCE CONTROL 8 TAPE MONITOR SWITCH 4 PHONES 9 INPUT SELECTION SWITCH 5 MUTE NORMAL DIRECT 10 VOLUME CONTROL SWITCH REAR PANEL CONNECTIONS USB CONNECTOR The USB connector is for connecting to computer other equipments with USB LAN and so the Internet The analog output of the USB connector is in
17. ver if it becomes too hot to touch switch off at once and contact your dealer It is very important that there is adequate 5 ventilation for the whole of the amplifier Do not place the unit on a rug or other soft surface that it could sink into obstructing the air inlets on its underside and take care not to obstruct the outlet grille on the top cover AC Selector 115V or 230V The AC Selector will be set to the AC Power voltage of your country from factory But in case if your XIA is not received directly from factory or you move from one country to the other the AC selector might be set at different voltage So before plug power cord into your wall AC outlet please always check if the Voltage selector set to the voltage of the country you will use XIA or not and set to correct voltage When the AC Selector set to 115VAC the XIA can be used in countries with AC Power Voltage between 110V and 120V When the AC Selector set to 230V the XIA can be used in countries with AC Power Voltage between 220V and 240V AC RECEPTACLE The AC RECEPTACLE is for you to plug in with power cord attached in the packing or you can plug in with other power cord with your preferences FRONT PANEL CONTROLS POWER SWITCH The amplifier is turned on bv depressing the power switch The small indicator above the switch will glow blue Before switching on alwavs set the volume control to minimum to avoid damage to vour loudspeakers BA
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