AKG HK970 Stereo Integrated Amplifier
Contents
1. Press the Mode Button again to return the the normal volume indication 7 Press Source Direct until the the Main Infor mation Display shows DIRECT ON to bypass the tone control to ensure purest sound performance Press again to turn the bypass function off and to make the tone and balance controls function again Making a recording You may record any source to tape or to CD R or o both simultaneously You may also connect a second tape deck to the CDR inputs and outputs o record from tape to tape in either direction To select the desired source for recording this can be a different source than the one being istened to press the Record Source Selector up or down button on the front panel repeatedly until the indicator for the name of the source to be recorded is shown in the Main Information Display NOTE The record output signal is taken directly from the program source and is unaffected by the Volume Bass Treble or Balance controls Important Notes The functions Source Direct and Record Source can be selected on the front panel only not from the remote control 3 head cassette decks with monitoring func tion can be connected to Tape or CDR connectors too but their monitoring function cannot be used This unit is designed for trouble free operation most problems users encounter are due to operating errors So if you have a problem first check this list for a possi2. Remote Out jacks are compatible with one another except for the Citation 22 24 and 25 Other manufacturers remote sensors and com ponents may not be compatible but it will not hurt to experiment A second wire may be used to connect your amplifier s REMOTE OUT jack to the Remote Input of another stereo component 4 CONNECTIONS Continue this process to include additional components if compatible Connecting Speakers 1 For best performance use high quality speaker cables However ordinary copper wire can be used if the gauge meets the following requirements Wire Min Length Diameter Up to 2 5 meter 1 mm Up to 4 meter 1 25 mm Up to 6 meter 1 6 mm Above 6 meter 2 2 5 mm 2 Avoid rolling excess wire with or near signal interconnects External Power Amplifiers For applications where higher power is desired connect the Pre Out Jacks to the Main In Jacks of an external power amplifier The level of the output can be adjusted between 3 and 3 dB with an internal button To adjust the level gen tly insert a small screwdriver into the button and turn clockwise to increase or counter clockwise to decrease the output level Left channel Speaker System 2 Compact Disc Player IMPORTANT When connecting two pairs of speakers determine the impedance of each pair by looking on the back of the speakers in your owner s manual or by contacting your dealer or manufacturer You can listen to two pairs of s
3. HK 970 Integrated Amplitier OWNER S MANUAL harman kardon Power for the Digital Revolution Table of Contents Introduction DECLARATION OF CONFORMITY Connections Controls and Functions Remote Control Operating Instructions Troubleshooting Specifications We Harman Consumer Group International 2 route de Tours F 72500 Ch teau du Loir France declare in own responsibility that the product described in this owners manual is in compliance with technical standards EN 55013 2001 A1 2003 EN 55020 2002 A1 2003 EN 61000 3 2 2000 EN 61000 3 3 1995 A1 2001 EN 60065 2002 Jurjen Amsterdam Harman Consumer Group International 01 05 2 TABLE OF CONTENTS Introduction Congratulations on your choice of the Harman Kardon HK 970 Integrated Amplifier In order to obtain the best performance from this integrated amplifier please be sure to read this owner s manual and use your integrated amplifier only in accordance with its instructions The special features of this unit include HCC High Instantaneous Current Capability The amplifier sections react rapidly to musical transients providing the instantaneous current necessary to precisely drive and control nearly any loudspeaker system Ultrawide Bandwidt
4. Mode FM Mode Select RDS RDS Display Select Mute Mute Sound Band Band Select Select Tune Mode Select 6 REMOTE CONTROL Operating Conditions The control unit operates effectively within a distance of 7 meters and an angle of 30 from the amplifier Using the control near fluorescent lights may shorten this range as will any dust or dirt that accumulates on the front of the remote control or the remote sensor area of the amplifier Also avoid blocking the line of sight between amplifier and remote The control unit is powered by two AA batteries included with your amplifier When you replace weak batteries replace both at the same time When the remote is to be unused for an extended period remove the batteries to prevent damage from corrosion Previous ee Search a Play Pause Next a Search LS Open Close OO Repeat Random scroll OU0W Auto harman kardon HK 970 Operating Instructions Listening to your CD player tape deck tuner or other source 1 Turn Volume control to minimum level and press the flat Power switch to turn on the amplifier The power indicator lights blue and the protection circuitry checks for short circuit or other problems for a few seconds before sound output 2 Press Speaker 1 to hear loudspeakers connected to the rear Speakers 1 terminals Press Speaker 2 to hear loudspeakers connected to
5. OSE THIS APPLIANCE TO RAIN OR MOISTURE To ensure sufficient ventilation the product should be placed in an open area with free air flow Do not place a CD player or other equipment on top of the amplifier Do not expose the amplifier to dripping or splashing Do not place objects filled with liquids such as vases on or near the amplifier Moving the Unit Before moving the unit be sure to pull out the power cord from the AC outlet and disconnect the interconnection cords with other units Do Not Open the Cabinet To prevent shock hazard do not tamper with internal components for inspection or mainte nance Harman Kardon does not guarantee against performance degradation resulting from any modification If water a hairpin or wire acci dentally enters the unit immediately pull the plug from the AC outlet to prevent shock and consult an authorized Harman Kardon service station If you use the unit under this condition it may cause a fire shock hazard Cleaning If the unit gets dirty wipe it with a soft dry cloth If necessary wipe it with a soft cloth dampened with mild soapy water and then with a dry cloth Never use benzene thinner alcohol or other volatile agents and avoid spraying an insecticide near the unit Warning Signs If you detect an abnormal smell or smoke immediately turn the amplifier off and unplug the power cord Contact your dealer or nearest Harman Kardon service center Packagin
6. ble solution If the problem persists consult your authorized Harman Kardon service center If the problem is No lights illuminate when power cord is plugged into AC outlet Make sure that e The unit is plugged into a live outlet No sound is heard e Speaker switches corresponding to the desired speakers are pressed e Correct source button has been pressed e Volume is turned up e Speaker wires are connected properly e Hook up wires to source component are connected properly Sound is not heard from the speaker system on one side e The speaker wires and connection wires are connected correctly e Set the balance setting to 0 When listening to stereo sound the left and right sounds are reversed The speaker wires are connected correctly The wires between components are connected correctly Intermittent or continuous buzzing or hissing e The unit is away from fluorescent lights TV motors and other electrical appliances The remote control and front panel controls don t appear to work Disconnect the AC line cord from the wall socket wait 5 minutes and then re connect it e Ground wire from record player has been connected to ground terminal on amplifier e Cable from record player is away from power cords and speaker cables e Record player is not to close to speakers e Record player is on stable surface Cable from record player is connected to the Phono jacks e The phono cartr
7. button functions Important Notes e To remote control a tuner CD Recorder or CD Player the appropriate input TUNER CDR or CD must have been selected with the source buttons of the remote control selecting on the front panel is not sufficient e Note that DVD players or tape decks cannot be controlled by the remote e To control a compatible CD Recorder CDR must be selected as input and the drive to be controlled CDP or CDR must be selected appropriately with the CDP SELECT or CDR SELECT buttons Button HK 970 ON Power On CD Player OFF Power Off Tuner Select Tuner Phono Select Phono TV Select TV Tape Select Tape Aux Select Aux cD Select CD Volume Volume Up CDR Select CDR 10 Current Track 10 Mode Select Mode Folder Next Folder 10 Current Track 10 Volume Volume Down Folder Previous Folder Previous d a Skip Previous b gt Play Pause Play Pause Next b gt Skip Next Search a a Fast Reverse m Stop Search gt gt Fast Forward Open Close Open Close Scroll Tuning Up Repeat Repeat Play Random Random Play Scroll Tuning Down 0 9 Numeric Keys Track Select Preset Select Auto Auto Tune FM
8. g Save all packing material It is essential for shipping should you move or in the event the unit ever needs repair INTRODUCTION 3 Connections Speaker System 1 Right channel Record Player CD Recorder Speaker System 1 Left channel REMOTE N m OO Nour A ONAL fna ino VANA IE AINA W JCU ANNE N COR v4 it IN TAPE OUT HAAVAN KARDON To wall outlet Right channel Speaker System 2 External Power Amp Connecting Other Components 1 Make sure your amplifier and other compo nents are turned off 2 Connect each component s Output Play jacks to the corresponding Input jacks on the back of your amplifier and if available the compo nent s Input Record jacks to the Output jacks of the HK 970 Use the white black or gray plugs to connect Left channel jacks use the red plugs for Right channel jacks 3 A record player with MM cartridge must be connected to the Phono Input jacks and a separate ground wire to the ground terminal screw above Wired Remote Control To control your amplifier with an external infrared remote sensor connect the wire from the remote sensor to the REMOTE IN jack on the back panel Or if another stereo component has a built in infrared remote sensor and a Remote Output jack it may be possible to connect this jack to the REMOTE IN jack of your amplifier All Harman Kardon products with Remote In and
9. h The bandwidth of this unit is exceptionally wide and is independent of negative feedback This improves transient accuracy and phase linearity Low Negative Feedback This unit has been designed to have low distor tion and wide bandwidth without high negative feedback This further improves its dynamic accuracy Discrete Component Circuitry In order to achieve the above goals all discrete electronic circuitry has been employed No available integrated circuits could provide this high level of performance Sophisticated Electronic Protection Circuitry Harman Kardon s unique protection circuitry guards the amplifier from short circuit or damaged speakers and wires without impairing sound quality by the use of current limiting or output relays General instructions Always Use at 230V AC This unit is designed for operation with 230V AC Use only domestic AC outlets Connecting the unit to an outlet supplying a higher voltage may create a fire hazard Handle the Power Cord Gently Do not disconnect the plug from the AC outlet by pulling the cord always pull the plug itself Pulling the cord may damage it If you do not intend to use your unit for any considerable ength of time turn the unit off completely by aking the power cord out of the AC wall outlet Do not place furniture or other heavy objects on he cord and try to avoid dropping heavy objects on it Also do not tie a knot in the power cord Not only may the c
10. idge is MM not MC Humming noise when listening to LP Howl or ringing when listening to LP Low sound level when listening to LP OPERATING TROUBLESHOOTING 7 Specifications NOMINAL Continuous Average Power Per Channel FTC 8 Ohms 80 Watts lt 0 09 THD 20 Hz 20 kHz both channels driven 4 Ohms 120 Watts lt 0 3 THD Dynamic Power IHF 1 kHz Tone Burst 8 Ohms 115 Watts 4 Ohms 200 Watts 2 Ohms 295 Watts 1 Ohms 380 Watts High instantaneous current capability HCC 80 Amps Power Bandwidth Half Rated output 8Q lt 10 Hz 150 kHz Frequency response 1W 0 3dB 5 Hz 150 kHz Damping factor 20Hz 20k Hz gt 125 Signal to noise Ratio Reference rated power output A WTD Tuner CD 95 dB Phono MM 75 dB Input sensitivity Impedance Tuner CD 270mV 43k Ohms Phono MM 4 0mV 47k Ohms Overload Tuner CD 6V Phono MM 90 mV Tone control range Bass 50 Hz Treble 10 kHz 6 dB 6 dB Power supply AC 230V 50 Hz Power consumption 410W Dimensions Width x Height x Depth 439 x 110 x 395 mm Weight 10 35 kg harman ka rdon H A Harman International Company 250 Crossways Park Drive Woodbury New York 11797 www harmankardon com Harman Consumer Group International 2 Route de Tours 72500 Chateau du Loir France 2005 Harman Kardon Incorporated Part 5100 97 1500 000
11. lect desired source for recording to device connected to the rear panel Tape and CDR Out sockets by pressing the Record Source button repeatedly until the display for the desired source is illuminated J Source Direct Press to bypass tone control circuitry Mode Button Press this button to make changes to the bass treble and balance settings EJ Headphone Jack Plug in headphones if desired With both Speaker 1 and 2 selec tors in the Off position output is supplied only to headphones EJ Volume Control Turn to raise or lower out put volume Main Information Display This display delivers messages and status indications to help you operate the receiver fil Remote Sensor Window The sensor behind this window receives infrared signals from the remote control Aim the remote at this area and do not block or cover it unless an external remote sensor is installed CONTROLS AND FUNCTIONS 5 Remote Control Independent Remote Control The system remote of he HK 970 can control the amplifier and compatible Tuners CD Players and CD Recorders The rem ote In jack of units without an integrated IR receiver must be connected to the amplifier s remote the system remote con The Function Table be control output jack so that trol can operate them ow will show all functions of the HK 970 and ex ernal devices that can be controlled by the HK 970 remote Remote
12. ord be damaged it can also cause a short circuit with a consequent fire hazard Place of installation Place the unit on a firm and level surface Avoid installing your unit under the following conditions E Moist or humid places E Places exposed to direct sunlight or close to heating equipment E Extremely cold locations E Places subject to excessive vibration or dust E Poorly ventilated places Provide sufficient ventilation do not block ventilation openings Do not obstruct the ventilation slots on the top surface of the unit by placing objects on them Otherwise the temperature inside the unit may rise possibly affecting its long term reliability CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXP
13. peakers at the same time ONLY if the impedance of EACH speaker is NOT LESS THAN 8 Ohms WARNING Do not play sets of speakers simultaneously except as recommended above Amplifier may overheat AC Power Plug the cord into a 230 VAC wall socket Power indicator will light up to indicate power ON To completely disconnect the power input the main plug must be disconnected from the mains Controls and Functions Y Record Source A Volume Source Direct Mode Phones El Power Indicator This LED will illuminate in amber when the unit is in the Standby mode to signal that the unit is ready to be turned on When the unit is in operation the indicator will turn blue EJ System Power Control Press this button to turn on the HK 970 press it again to turn the unit off to Standby Note that the Power Indi cator J next to the switch will turn blue when the unit is on EJ Speaker 1 2 Selectors Press to select speaker pair 1 or 2 or both or neither head phone output only E Input Source Selector Select desired input source for listening by press ing the Input Source button repeatedly on the left will select downwards right upwards until the display for the desired source is illuminated E Record Source Selector Se
14. the rear Speakers 2 terminals Press both to hear both speaker pairs at once To listen to headphones only press to turn off any active speaker pair Ww Select desired source for listening by pressing the front panel Source up or down repeatedly until the name of the source is shown in the Main Information Display or by pressing the desired Source button on the remote control 4 Begin playing the desired source 5 Adjust the Volume control to the desired level Troubleshooting 6 Adjust Bass Treble and Balance controls as desired the Source Direct function must be turned off To adjust the bass level press the Mode Button twice so that the Main Informa tion Display shows BAS S OG B By turning the Volume Button to the right the bass level will increase turning the Volume Button left will decrease the bass level Once the desired bass level has been set press he Mode Button to set the requested level for he treble The Main Information Display will show TREBLE OaB By turning the Volume Button to the right the treble level will increase urning the Volume Button left will decrease the reble level Once the desired treble level has been set press he Mode Button to set the requested level for he balance The Main Information Display will show BALANCE D By turning the Volume Button to the right the balance will move to the ight speaker turning the Volume Button left will move the balance to the left speaker
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