Akai AM-67 User's Manual
Contents
1. PHONES jack For headphone connection Remote control The remote control can be used to conveniently operate the am plifier from a distance 4 5 PRESET STATON 4 11 21 2 12 22 3 13 23 4 14 24 5 15 25 6 16 26 7 17 27 8 18 28 9 19 29 Vv AN VOLUME Transmitting window Input selector buttons PHONO CD TUNER AUX TAPE 1 TAPE 2 TAPE 3 DIGITAL 1 DIGITAL 2 DIGITAL 3 for AM 67 model PRESET STATION buttons Used to select preset stations on optional AT 57 L tuner Each button can be used to select 3 different preset sta tions Station selection is cyclic 1 gt 11 21 gt 1 for example Press the button that holds the desired station repeatedly until the station is selected MUTING full mute button VOLUME A buttons Operation Point the remote control at the amplifiers REMOTE SENSOR window and press the desired operation button If the remote control will only operate from a short distance or narrow angle this indicates that the batteries are weak and need to be re placed How to load the batteries Slide the battery compartment cover in the direction of the arrow and remove it 2 Load the batteries according to the polarity guides on the remote control unit 3 Replace the battery compartment cover Cautionary notes 0 D ie D e n the remote control Avoid dropping the remote control or getting it wet Avoid exposing the remote co2. N Phono MM 86dB IHF A Tuner CD Tape 102dB IHF A Audio mute cceeeees 20dB Subsonic filter 0 00000 10Hz 12dB oct Channel separation 75d0B 1kHz 55dB 10kHz Cross talk Phong oo ceceeeceseeseesessees 75dB 1kHz 5 0mV input level Tuner CD Tape 85dB 1 kHz 500mV input level Required speaker impedance Aorb on cssccsessonecesee 4 to 16 ohms A and B ese 8 to 16 ohms Power requirement 220 230V 50Hz Power consumption AMOT arrn 330W AM 57 NR 280W Dimensions 425 W x 177 H x 401 D mm Weight AM 67 nsan 14 8kg AMA 57 asseirai 13 3kg Digital section AM 67 only Sampling frequency 32kHz 44 1kHz 48kHz Digital filter 0aaneaenennn 18 bit 8 times over sampling D A converter ossosa Interpolative one bit dual Digital input level Coaxial enn 0 5Vp p 75 ohms Optical saesson 14 to 23dBm Frequency response 5Hz to 20kHz 0 3dB Dynamic range oases 96dB Total harmonic distortion 0 002 For improvement purposes Specifications and design are subject to change without notice 13 Memo
3. i POWER ON OFF button and indicator SPEAKERS switch OFF A B A B To select the speakers or to cancel audio output from the speakers DIRECT OPERATION switch SOURCE OFF SUB SONIC To select the playback operation mode VOLUME control To adjust the volume level The 40 position is the maximum volume output of the amplifier REC SELECTOR switch TAPE COPY 2 gt 1 3 TAPE COPY 1 gt 2 3 PHONO OFF CD TUNER DIGITAL 1 2 3 AM 67 model AUX AM 57 model To select the playback source for recording SAMPLING FREQUENCY indicators 82kHz 44kHz 48kHz AM 67 model only Light to indicate the sampling frequency of the digital source being played back INPUT SELECTOR buttons and indicators TAPE 1 TAPE 2 TAPE 3 T UNER PHONO AUX CD DIGITAL 1 OPTICAL DIGITAL 2 DIGITAL 3 AM 67 model only REMOTE SENSOR window BALANCE control LEFT RIGHT To adjust the left and right channel balance Normally set to the Centre position FULL MUTE indicator Lights when the full mute mode is engaged MUTING 20dB ON OFF button To reduce volume instantly during playback MODE MONO STEREO button To select between the stereo and monaural playback mode TREBLE control To adjust the high note treble level When set to 0 the control is ineffective BASS control To adjust the low note bass level When set to 0 the control is ineffective
4. not proper or the digital input and output terminals are not being used lt Check the connections and change them if necessary Connections should be made with digital connection cords availabie from your audio dealer The DAT deck is not in the digital recording mode Set the deck to the digital recording mode The digital source is protected from recording Play back the source in the analog mode for recording e The DIGITAL 1 OPTICAL 2 or 3 input selector button has not been pressed Press the appropriate button The REC SELECTOR switch is not set to the appropriate position Set the switch to the appropriate position Digital recording can not be performed Tape dubbing can not be performed Specifications a a a EENG 200W 200W DIN 4 ohms 1kHz 1 110W 110W FTC 8 ohms 20Hz to 20kHz 0 05 AMET 170W 170W DIN 4 ohms 1kHz 1 100W 100W FTC 8 ohms 20Hz to 20kHz 0 05 Power band width 5Hz to 60kHz 0 1 Total harmonic distortion 0 005 1kHz 8 ohms Frequency response 5Hz to 100kHz 0dB 8dB Tone control WEE 8dB 100Hz Treble nonnene 8dB 10kHz Input sensitivity impedance Phono MM 2 0mV 47k ohms Tuner CD Tape 150mV 47k ohms Maximum input level Phono cesseessteeesees 150mV Output level Tape rec out noeneen 150mV Damping factor 0 45 1kHz 8 ohms Residual noise 0 0 1mV A filter S
5. speakers to both the A and B ter minals Set the switch to the A B position Set the DIRECT OPERATION switch to SOURCE or OFF SUBSONIC Select the playback source with the input selector but tons as follows For broadcast reception Press the TUNER button For record playback Press the PHONO button For CD playback Press the CD button For auxiliary source playback Press the AUX button For playback of a cassette deck or DAT deck connected to the TAPE 1 2 or 3 terminals Press the TAPE 1 2 or 3 button depending on where the component is connected For digital source playback AM 67 model only Press the DIGITAL 1 OPTICAL DIGITAL 2 or DIGITAL3 button depending on which digital terminal the component is connected to 4 Play back the selected source Sampling frequency indicators AM 67 model only The sampling frequency indicators light up during digital source playback to indicate the source s sampling fre quency The sampling frequency is an important frequency necess ary for digital to analog signal conversion during playback The standard sampling frequencies are 48kHz 44 1kHz and 32kHz The 44kHz indicator will light up during 44 1kHz samp ling frequency source playback Operation details SPEAKERS DIRECT OPERATION DIGITAL INTEGRATED AMPLIFIER AM 67 DIRECT OPERATION switch The DIRECT OPERATION switch is used to help improve sound quality by selecting the shortest circui
6. AKAI Creative At Heart AM 5 DIGITAL NTEGRATEO ALPEN AM 67 mS oo amp oes o om om ep e E DIGITAL INTEGRATED AMPLIFIER Operator s manual To ensure optimum performance of this unit please read this operator s manual thoroughly This operator s manual applies equally to models AM 57 and AM 67 except where otherwise noted The AM 67 model is used for the illustrations in this manual AMPLIFICATEUR NUMERIQUE INTEGRE Manuel de l utilisateur Afin de garantir une performance optimale de cet appareil lire attentivement ce manuel de l utilisateur Ce manuel de l utilisateur s applique galement aux mod les AM 57 et AM 67 sauf indication contraire Le mod le AM 67 est utilis pour les illustrations dans ce ma nuel DIGITAL INTEGRIERTER VERST RKER Bedienungsanleitung Bitte lesen Sie sich diese Bedienungsanleitung aufmerksam durch um eine optimale Leistung dieses Ger tes erzielen zu k nnen Diese Bedienungsanleitung gilt gleicherma en f r die Modelle AM 57 und AM 67 au er wo anders angegeben In den Illustrationen dieser Bedienungsanteitung wurde das Modeli AM 67 angewandt DIGITALE GEINTEGREERDE VERSTERKER Gebruiksaanwijzing _ Lees deze gebruiksaanwijzing in zijn geheel door teneinde opti maal gebruik te maken van de mogelijkheden die dit toestel biedt Deze handleiding is eveneens van toepassing op modelien AM 57 en AM 67 behalve waar anders aangegeven Het model AM 67 is gebr
7. d to protect the speakers from noise damage when the amplifier s power is turned on The protection circuit also functions during playback to pro tect the speakers from overloading and to protect the cir cuits from damage When the protection circuit is engaged the output signal will be cut automatically Should the sound be cut during playback 1 Turn the amplifier off 2 Check for and correct the cause 3 Turn the amplifier back on Recording Before proceeding e Turn on the power of all components e If using a DAT deck for recording set it for analog recording e When connecting components for tape dubbing The TAPE 1 and 2 terminals are for connection of the source deck or recording deck The TAPE 3 terminals are for connection of the recording deck only DIGITAL INTEGRATED AMPLIFIER AM 67 Select the recording source with the REC SELECTOR switch as follows For broadcast recording Set to TUNER For record disc recording Set to PHONO For CD recording Set to CD For digital source recording AM 67 model only Set to DIGITAL 1 2 3 and press the DIGITAL 1 OPTICAL DIGITAL 2 or DIGITAL 3 input selector button depending on which digital terminal the source component is con nected to For tape dubbing Setto TAPE COPY 1 gt 2 3 when recording from acassette deck or DAT deck connected to the TAPE 1 terminals For tape dubbing Setto TAPE COPY 2 1 3 when recording from a casset
8. eir proper positions and that all the connections are correct refer to this manual for the proper procedures If a problem persists refer to the advice below ifthe problem cannot be corrected with the instructions below write down the model and serial numbers and all pertinent data regard ing warranty coverage as well as a clear description of the problem and contact your nearest AKAI service centre Check point No power e Amplifier connections are not correct No sound Check the amplifier connections e SPEAKERS switch is set to the wrong position Set the switch to the correct position e VOLUME control is set to 0 Set the VOLUME control to the desired position e The correct input selector button is not pressed Press the correct button e The protection system is engaged Wait a few seconds e The protection system is engaged Stop playback as soon as possible turn off the power and then check the speaker cord connections Connect a speaker system with an impedance of over 8 ohms or set the SPEAKERS switch to OFF VOLUME setting indicates a higher volume level e The MUTING switch is set to ON _ than can be heard Set the switch to OFF m Humming noise is heard during record playback e Theturntable s ground wire if included is not connected or connec tion cords are not securely connected Connect the ground wire to the yryr terminal and make sure that the connection cords are connected securely Bass or st
9. ereo sound is not reproduced fully e Speakers are not connected correctly Check the polarity of the connections Deck will not play back e The correct input selector button is not pressed Press the correct button Digital source playback can not be performed e Connections are not correct or the digital terminals are not used for connection Check the connections and change them if necessary Connections should be made with digital connection cords available from your audio dealer e Thecorrectinput selector button DIGITAL 1 OPTICAL 2 or 3 has not been pressed e Press the appropriate button BASS TREBLE BALANCE or MODE controls are ev The DIRECT OPERATION switch is set to SOURCE not effective Set it to OFF SUBSONIC Playback is monaural e The MODE button is set to MONO Set it to STEREO a The woofer s diaphragm vibrates slowly during play e A warped record is being played back back Set the DIRECT OPERATION switch to the OFF SUBSONIC posi tion to remove subsonic noise No sound after the power is turned on No sound after the power is turned on even after playback volume adjustment Recording can not be performed Decks are not properly connected Check the connections The REC SELECTOR switch is not set to the appropriate position Set it to the proper position Connections are
10. et LINE OUT OUTPUT Cassette deck or DAT deck Righ Left Right SYSTEM A speakers SYSTEM B speakers for playback Digital component connections for AM 67 model only Before proceeding Turn off the power of all components before making connec tions When connecting components to the DIGITAL 2 and 3 IN ter minals use digital connection cords available from your audio dealer If your DAT deckis equipped with optical input and output ter minals connect it to the DIGITAL 1 OPTICAL IN and OUT terminals of the amplifier using optical fibre cables Always replace the terminal caps of the DIGITAL 1 OPTI CAL IN and OUT terminals when a component is not con nected to them If your CD player is equipped with both an optical terminal and analog output terminals we recommend thatconnection only be made to the optical terminal for best sound reproduc tion The digital audio signal is a composite signal made up of the left and right channel signals For this reason separate left and right INPUT and OUTPUT terminals are not necessary DIGITAL COAXIAL OUTPUT DIGITAL 1 OPTICAL IN OUT termi nals AM 67 model only These terminals are for connection of CD SF or DAT decks equipped with optical terminals Note e When you are not using the DIGITAL 1 OPTICAL IN OUT terminals do not remove the terminal caps DAT deck or CD player Amplifier CD player ontrols
11. ld waste 29 En Table of contents Basic connections NENNEN EEN 3 4 Digital component Connections ue 5 Controls ccceeccceseceesscceesscececeseeneeeceaestaesseasenensarensess 6 Remote control Source playback Operation details Recording NEEN Troubleshooting Specifications ee What you should know to protect yourself e Never touch the power cord s plug with wet hands e Always pull the power cord out by its plug never by its cord e Onlyleta qualified professional repair or reassemble the am plifier An inexperienced person might touch the internal parts and receive a serious shock e Never put anything especially metal into the amplifier Protect the amplifier too e Use a household AC power source only Never use a DC power source e If water is spilled on the amplifier disconnect it and call your dealer e Make sure that the amplifier is well ventilated and away from direct sunlight e To avoid damage to the internal circuits and the external sur face keep the amplifier away from heat stoves etc e Avoid using aerosol sprays near the amplifier as this could damage the finish or cause sudden ignition of the spray e Toavoid damaging the finish never use paint thinner or other similar chemicals to clean the amplifier e Place the amplifier on a flat and solid surface e fyoudonotplan to use the amplifier for along period of time disconnect the power cord Basic co
12. nnections Before connecting e Turn off the power of all components before making conn nections e Connect the power cord last e Make sure that you connect the white pin plugs to the left L white terminals and the red pin plugs to the right R red ter minals e Connect everything securely Loose connections can lead to distortion e To prevent damage to the cords connect and disconnect by holding the plug not the cord e If your turntable is equipped with an earth wire connect it se curely to the amplifier s za terminal Speaker connection Before connecting e Check the impedance of your speakers When using one pair of speakers Connect speakers with an impedance of 4 to 16 ohms When using two pairs of speakers at the same time Connect speakers with an impedance of 8 to 16 ohms The amplifiers red speaker terminals are the positive terminals and the black terminals are the negative termi nals e The side of the speaker cable is marked to make it distin guishable from the side of the cable Connect this marked side to the red terminal and the unmarked side to the black terminal e Prepare the speaker cords for connection by stripping off ap proximately 1cm or less no more as this could cause a short circuit of the outer insulation How to connect Twist the wires together tightly Turn the terminal cap counter clockwise to loosen it The speaker terminal caps can not be fully rem
13. ntrol to direct sunlight or strong light as this may cause malfunction Keep the remote control away from appliances that generate electrical noise TV sets micro wave ovens etc When replacing the batteries clean all the remote control and battery terminals with a dry cloth Avoid operating the remote contro near fluorescent lights as this may cause malfunction n the batteries When you do not pian to use the remote control for a long period of time remove the batteries Read the cautions printed on the batteries before inserting them When replacing the batteries replace them all at the same time Do not mix old batteries with new ones Source playback Before proceeding Set the VOLUME control to 0 Set the MUTING switch to m OFF Set the REC SELECTOR switch to OFF Turn on the power of all components After the amplifier s power has been turned on the protection circuit will be engaged for a few seconds The amplifier can not be operated during this time Sampling frequency indicators mat the SPEAKERS switch to the desired position as 5 Adjust the playback volume with the VOLUME control ollows If you have connected speakers to the A terminals Set the switch to the A position If you have connected speakers to the B terminals After playback is finished After turning the volume down turn the power off by pressing the POWER buiton 8 Set the switch to the B position if you have connected
14. oved from the base Insert the wire into the terminal fully and turn the termi nal cap clock wise to securely connect it Speaker terminal Fasten Connecting hole Loosen Speaker placement The playback characteristics of the speakers are greatly in fluenced by the placement and the room in which the speakers are used To find the best location for the speakers play back some music without using the tone controls and move the spea kers around However please keep the following in mind _ Place the speakers on a flat solid surface which is free of vi bration e Place the speakers in an area that is well ventilated Do not place the speakers in a humid place e Keep the speakers away from direct sunlight and heat sour ces stoves etc e Keep the speakers away from the turntable To prevent damage to the speakers e Do not raise the volume excessively e Turn off the amplifier when connecting or disconnecting e Do not touch the speaker s diaphragms Note e f the speakers are placed too close to the TV the magnetic flux from the speakers will cause the TV screen to turn slightly red or pink To avoid this the speakers should be placed a little distance from the TV Tuner Cassette deck or DAT deck LINE OUT OUTPUT Amplifier aed AXAJELECIRK COU GE meng DE KD ei em ANS wm K COAC DCH PAS PETIM mam gr eoonug EOH MEE To household AC outl
15. s Set the SPEAKERS switch to OFF 2 Connect the headphones to the PHONES jack 3 Adjust the volume with the VOLUME control Caution e Donotlisten for long periods of time at high volume levels as this may damage your hearing e Whenconnecting a pair of headphones during playback turn the volume down first Volume mute The muting system can be used to instantly reduce playback volume There are two muting systems to choose from partial mute engaged with the amplifier s MUTING 20dB button and full mute engaged with the remote control s MUTING button During partial mute volume will be reduced by 20dB During full mute the volume will be cut completely To mute the volume 10 8 Press the amplifier s MUTING button to the ON posi tion or press the remote control s MUTING button To resume the normal volume level E Press the amplifier or remote control s MUTING button again Note e When the full mute mode is engaged with the remote con trol s MUTING button the amplifier s FULL MUTE indicator will light Stereo monaural sound selection 1 Set the DIRECT OPERATION switch to OFF SUB SONIC 2 Press the MODE button as follows For monaural selection Press the MODE button to the MONO position For stereo selection Press the MODE button to the STEREO position Protection circuit This amplifier includes a built in protection circuit thatis ac tivate
16. t route through the amplifier that the playback signal has to travel When set to SOURCE The subsonic filter tone control circuit and balance control cir cuits are by passed When set to OFF SUBSONIC The playback signal is routed through the subsonic filter tone control circuit and balance control circuits During record playback this position can be used to reduce ultra low frequency noise rumble hum etc indicated by woofer vi bration during playback Note e The subsonic filter removes low frequency signals 18Hz or lower that are present in the playback signals Treble and bass tone adjustment Set the DIRECT OPERATION switch to OFF SUB SONIC 2 Use the BASS and TREBLE controls as follows Bass adjustment To increase the level Turn the BASS control toward 10 To decrease the level Turn the BASS control toward 10 To defeat the control Set the control to 0 MUTING BALANCE Treble adjustment To increase the level Turn the TREBLE control toward 10 To decrease the level Turn the TREBLE control toward 10 To defeat the control Set the control to 0 Left right channel volume balance ad justment Set the DIRECT OPERATION switch to OFF SUB SONIC 9 Use the BALANCE control as follows To decrease the right channel volume Turn the BALANCE control to the LEFT To increase the left channel volume Turn the BALANCE control to the RIGHT Listening with headphone
17. te deck or DAT deck connected to the TAPE 2 terminals 2 After adjusting the recording level of the cassette deck or DAT deck start recording After recording is finished Set the REC SELECTOR switch to OFF and turn off the power Monitoring the recording To monitor the sound of the source being recorded select the source with the input selector buttons If the tape deck you are using to record on has 3 heads you can monitor the actual sound that is being recorded by pressing the input selector button that corresponds to the recording deck you wish to monitor Listening to another source during recording if you wish to listen to another source during recording simply select that source with the input selector buttons Recording will not be interrupted To adjust the sound of the selected source using the VOLUME BALANCE BASS TREBLE MODE or MUTING controls set the DIRECT OPERATION switch to OFF SUBSONIC before recording Signals being recorded will not be affected by ad justments Note e During recording do not change the position of the REC SE LECTOR switch as this will interfere with recording e For AM 67 model During digital source recording do not change the DIGITAL 1 OPTICAL 2 or 3 input selector but ton setting as this will interfere with recording 11 Troubleshooting Should you have any problems during the operation of this amplifier please check that all the controls are set to th
18. uikt voor de illustraties in deze handlei ding AMPLIFICADOR DIGITAL INTEGRADO Manual de uso A fin de garantizar un rendimiento ptimo de la unidad en todo momento lea detenidamente este manual de instrucciones Este manual de instrucciones es igualmente v lido para los mo delos AM 57 y AM 67 salvo cuando se indica lo contrario Ei modelo AM 67 es utilizado para las ilustraciones en este ma nual de instrucciones Se UC WEEN Page 1 13 Fran ais lte ee Page 15 28 Deutsch ua Seite 29 42 Nederlands 085 Pagina 43 56 Espa ol see Pagina 57 70 Precautions and table of contents WARNING To prevent fire oF shock hazard do not expose this ap pliance to rain or moisture 1 En Power requirements Power requirements for electrical appliances differ from area to area Plezase ensure that your unit meets the re quirements in your area 8 i if in doubt consult a qualified electrician 220 230V 50Hz This equipment conforms to NO 82 499 EEC 87 308 EC standard E 3A En CONFORME AL D M 13 APRILE 1989 DIRETTIVA CEE 7 308 au 3B It Make Your Contribution to Protect the Environment Used batteries with the ISO symbol for recycling as well as small accumulators rechargeable _CAY batteries mini batteries cells and starter bat Ai teries should not be thrown into the garbage can Please leave them at an appropriate depot All other household batteries can be thrown outwith the househo
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