AMC 3150a and 3100a user manual
Contents
1. 12 CLEANING The appliance should be cleaned only as recommended by the manufacturer 13 NON USE PERIODS The power cord of the appliance shouid be unplugged from the outlet when left unused for a long period of time 14 OBJECT AND LIQUID ENTRY Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 15 SERVICING The user should not attempt to service the appliance beyond that described in the operating instructions All other servicing should be referred to qualified service personnel 16 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 The appliance has been exposed to rain or d The appliance does not appear to operate normally or exhibits a marked change in performance or The appliance has been dropped or the enclosure damaged 17 POWER LINES APPLIES TO TUNER AND RECEIVERS ONLY An outdoor antenna should be located away from power lines 18 OUTDOOR ANTENNA GROUNDING APPLIES TO TUNER AND RECEIVERS ONLY 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 up static charges Section 810 of the National Electrical Code ANSI NFPA No 70 1984 provides information with re2. integrated S D Bono dedi 1 POWER SWITCH 6 BASS CONTROL 2 NFRARED RECEIVER 7 TREBLE CONTROL 3 PHONES 8 RECORD SOURCE SELECTOR 4 BALANCE CONTROL 9 INPUT SELECTOR 5 DIRECT SWITCH 10 VOLUME CONTROL 3 REAR PANEL CONNECTIONS 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 CD TUNER INPUT The Tuner input is suitable for use with most AM FM tuners Connect your tuner to the amplifier using the phono sockets marked TUNER VIDEO LD INPUTS These VIDEO LD inputs are suitable for use with the audio signal from a stereo VCR or stereo TV Satellite Cable receiver or other line level source Using the phono phono leads connect to the Audio Out of the unit to these inputs Note These are audio inputs only TAPE1 TAPE2 INPUT OUTPUT 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 PRE OUT MAIN IN Normally the preamplifier and power amplifier sections of this unit are connected together via factory installed U shaped metal jumpers hat bridge the PRE OUT and MAIN IN jacks
3. AMC 3150a 3100a STEREO INTEGRATED AMPLIFIER FOSS HOME Entertainment Center or 3100a Stereo integrated 31504 M QA AUTOMATION SERES 4 xh INSTRUCTIONS FOR INSTALLATION AND OPERATION ARA A CAUTION TO REDUCE AFIN OEVITER UN PARA REDUCIR EL RIESGO THE RISK OF ELECTRIC CHOC ELECTRIQUE DE SACUDIDAS ELECTRICAS SHOCK DO NOT REMOVE ET LES CONSEQUENCES NO DEBERA QUITARSE LA COVER OR BACK GRAVES QUI POURRAIENT TAPA NI PARTE POSTERIOR NO USER SERVICEABLE EN RESULTER TENTEZ CONSULTESE AL PERSONAL PARTS INSIDE REFER PAS D OUVRIR L APPAREIL CAPACITADO PARA LAS SERVICING TO QUALIFIED ET DE TOUCHER AUX REPARACIONES INTERNAS SERVICE PERSONNEL COMPOSANTS INTERNES SANS LA PRESENCE D UNE PERSONNE QUALIFIEE WARNING TO PREVENT FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE ADVERTENICIA 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 S
4. ANS 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 LENG ETAS 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 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 Anpassung wenn notwendig muf von einem qualifizieren Techniker in einer AMC Servicestation vorgenommen werden NOTA Ciertos componentes de AMC est n dotados de transformadores de doble tension 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 gui
5. 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 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 processors input and a second cable from the processor s output to MAIN IN LOUDSPEAKERS Your AMC amplifier is designed to drive loud speakers with a nominal impedance of 4 8 ohms LOUDSPEAKER 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 L 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 L 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 LINE CORD Plug the AC line cord into a nearby wall outlet that provides the correct AC power line voltage or into an unswitched convenience outlet o
6. Tape1 or 2 position and set your recorder into the playback mode INPUT SELECTION The rotary input selector switch selects which input signal CD Tuner Video LD Tape1 or Tape2 is fed to the power amplifier 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 REMOTE CONTROL RC 001 1 INPUT SELECTOR These buttons select any one of the six sources that are connected to the inputs of the AMC 3150a 3100a CD TUNER TAPE1 TAPE2 LD amp VIDEO DRC DOLBV DIGITAL c NOI STEREO PBX THX CINEMA MASTER VOLUME INE v 2 MASTER VOLUME MA VOLUME UP NZ VOLUME DOWN 3 OTHER BUTTONS WITH Buttons on the RC 001 remote control that are not mentioned above are for use on other AMC high end Audio Video products SPECIFICATIONS 3100a Rated Power into 8 Ohm nire 100W With both channels driven Rated T H D 20H2z 20KHz eere emeret 0 03 1KHz clipping power into 8 ohm eem e 110W Input sensitivity for 1W Rated Power into 8 ohms highiJevel inputs
7. delines 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 NOTAPARA ELINSTALADOR 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 conectarse 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 exclamation point within an equilateral triangle is triangle is intended to alert the user of the presence of intended to alert the user of the presence of uninsulated dangerous voltage within the product s important operating and maintenance servicing enciosure that may be of sufficient magnitude to instructions in the literature accompanying the constitute a risk of electric shock to persons appliance INTRODUCTION The AMC Integrated Amplifier 3150a 3100a offers in an innovative and elegant design an affordable combination of high quality sound reproduction and comprehensive facilities The amplifier accepts six inputs CD Tuner Video LD 1 and Tape2 in and has full tape monitoring capabilities To get the best from yo
8. e low frequencies in the sound The electrical response of the amplifier is flattest when the control is set in the detent or 12 o clock position Rotation of the knob to the right clockwise increases the level of low frequency sounds and rotation counter clock wise decreases their level Adjust the Bass Control to achieve the tonal balance that sounds most natural to you TREBLE CONTROL The Treble Control adjusts the relative level of the high frequencies in the sound The response of the amplifier is flattest when the control is set in the detent or 12 o clock position Rotation of the Treble Control to the right clockwise increases the level of high frequency sounds and rotation counter clockwise decreases their level Adjust Treble Control to achieve the tonal balance sounds most natural to you RECORD SOURCE SELECTOR This switch selects the input signal for recording to TAPE OUTPUTS on rear panel 1 TAPE RECORDING All sources CD Tuner Video LD Tape1 and Tape2 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 TAPE1 IN socket and the recording machine into the TAPE2 OUT socket The RECORD Selector switch should be set to TAPE1 A recording can now be made in the normal way 2 TAPE PLAYBACK Set the input select switch to the
9. eed acce tot meet npe 15mV 200mV Input impedance High level Inputs aec tee ep ee 20K ohms Frequency response Tone bypass 20 2 20 2 0 2dB Normal 20Hz 20KHz ert ana tec ter npe 0 5dB High level inputs 3dB eme 10Hz 100KHz Signal to noise ratio ref 1W 8 ohms High level inputs A WTD ei 85dB 20 2 20 2 2220 See eere epe eite set 75dB Tone control range Bass at 100Elz ucro etre 9dB Trebie at 10KH2 ert dpt e ea etse deed 8dB OTHERS Dimensions 2 430x112x288mm Net i WM 10 8Kg Shipping weight 2pieces Less ec cece crete He 23 2Kg 15mV 200mV 20K ohms 0 2dB 0 5dB lt 10 2 gt 100 2 85dB 75dB 9dB 8dB 430x112x288mm 12 2Kg 26Kg SAFETY INSTRUCTION 1 READ INSTRUCTIONS All the safety and operating instructions should be read before the appliance is operated 2 RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference 3 HEED WARNINGS All warnings on the appliance and in the operating instructions should be adhered to 4 FOLLOW INSTRUCTIONS All operating and use instructions should be followed 5 WATER AND MOISTURE The appliance should not be used near water for example near a bathtub washbowi kitchen s
10. ink laundry tub in a wet basement or near a swimming pool etc 6 CARTS AND STANDS The appliance should be used only with a cart or stand that is recommended by the manufacturer 6A An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overturn 7 WALL OR CEILING MOUNTING This equipment is not designed for use mounted on a wall or a ceiling 8 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 biock the ventilation openings or placed in a built in installation such as bookcase or cabinet that may impede the flow of air through the ventilation openings 9 HEAT The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat 10 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 11 POWER CORD PROTECTION Power supply cords should be routed so that they are not likely to be walked on of pinched by items placed upon or against them paying particular attention to cords at piugs comvenience receptacies and the point where they exit from the appliance
11. n any AMC products HEATSINK VENTILATION REQUIREMENTS The heat produced by your AMC amplifier during normal operation is dissipated by an internal finned heatsink It is perfectly normal for your amplifier to becomes quite warm and to radiate heat when in use especially if it is run near full power However if it becomes too hot to touch Switch off at once and contact your dealer It 5 very important that there is adequate 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 FRONT PANEL CONTROLS POWER SWITCH The amplifier is turned on by depressing the power switch The small indicator above the switch will glow green Before switching on always set the volume control to minimum to avoid damage to your loudspeakers Note Your AMC amplifier will play music almost immediately after being switched on However in common with other audiophile products the internal circuits take some time to stabilize fully and the best possible sound quality may not be obtained until the amplifier has had some time possibly an hour or two to warm up INFRARED RECEIVER The infrared receiver for receiving the infra red signals from your remote handset PHONES The headphone socket will accept any headphones fitted with a standard 1 4 6 35mm stereo jack pl
12. spect to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding 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 4mm aluminum No 17 AWG 1 0mm copper clad steel or bronze wire of larger as a ground wire b Secure antenna lead in and ground wires to house with stand off insulators spaced trom 4 6 feet 1 22 1 83 m apart c Mount antenna discharge unit as close as possible to where 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 Section 810 21 j Antenna Grounding According to the National Electrical Code Antenna Lead in Were Antenna Discharge Unit NEC Section 810 20 Electric Service Equipment Grounding Conductors INEC Section 81021 E S Ground Ciamos Te Power Service Grounding Electrode System NEC Art 250 Hi National Elecirical Code Avadable from Library book stores or Nanonal Fire Protection Associabon Batterymarch Park Quincy 02269 WELTRONICS CORP LONDON L A
13. ug When Headphones are in use the output will be cut and all the amplifier functions will operate as normal BALANCE 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 DIRECT SWITCH When this button is pressed the Bass and Treble circuits are completely bypassed restoring precisely flat frequency response When this button is pressed again the switch will be turned off the tone controls operate normally By adjusting the tone controls and then switching them in and out of the signal path you can evaluate their effect on the sound BASS CONTROL The Bass Control adjusts the relative level of th
14. ur amplifier please study this manual carefully Should you experience any problems please discuss with your dealer who has a full knowledge of AMC products for uses in a variety of systems INSTALLATION Your AMC amplifier is 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 The cores of the mains lead are colored in accordance with the following code Blue Neutral Brown Live Note Export units for certain markets have molded mains plugs fitted as standard As the colors in the mains lead may not correspond with the colored markings identifying the terminals in your plug proceed as follows The wire which is colored blue must be connected to the terminal which is marked by the letter N or colored black or blue The wire which is colored brown must be connected to the terminal which is marked by the letter L or colored red or brown FUSES If the mains plug is fused fit a 5 amp fuse Your AMC amplifier contains fuses which are designed to protect the amplifier and prevent the unit from the occurrence of a dangerous fault condition These should only be inspected and replaced by a competent engineer using the correct replacement types FEATURE The high overload tone control stage can be completely b
15. y 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 throughout providing exceptional accuracy to 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 Using high output current devices with optimized power supply designs the power amplifiers can be only protected with fuses on power supplier side in order to deliver extremely high output current in demand to give superb sound quality With universal power transformer passing all international safety standards end users can use the unit in all countries by rewiring the voltage links inside the unit by authorized distributors or dealers Heavy duty gold plated speaker binding posts and phono connectors for ultra reliable connections Toridal power transformer with thermal protection switch REAR PANEL CONNECTIONS FRONT PANEL CONTROLS REAR PANEL beso 55 Lui e E SIE Sr ae OOS OO ECER 6 6 ie WELTRONICS CORP LONDOWL A ind e l U E L 1 2 1 CD INPUT 6 TAPE2 IN OUT 2 TUNER INPUT 7 PRE OUT MAIN IN 3 VIDEO INPUT 8 LOUDSPEAKER TERMINALS 4 LD INPUT 9 AC LINE CORD 5 TAPET IN OUT FRONT PANEL 1 Stereo
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