Integra DTA-70.1 User's Manual
Contents
1. eee ssssireikrey 18 Specification s is cii 6262160622010 0216 taiii 19 Check that the following accessories are supplied with the DTA 70 1 Power cord Plug type varies from country to country Mono mini plug cable For connecting to the 12V trigger terminals oar ae D1011 5 1 ato nh 1 I V N hk Speaker cable labels L s D l k P DTA 70 1_En_100108 book Page 6 Friday January 8 2010 2 04 PM Amplifier Precautions Before using the DTA 70 1 power amplifier be sure to read the page above entitled Important Safety Instruc tions and this page of Amplifier Precautions Ventilation While using the DTA 70 1 the internal temperature will fairly rise Excessive temperature rise may affect the amplifier performance To prevent damage from occur ring due to high internal temperatures it is vital to have proper ventilation and passage of air to carry out the heat and keep the internal temperature within acceptable ranges Caution e Do not place the DTA 70 1 inside cabinets or closets where there is poor passage of air and ventilation Do not place the DTA 70 1 near external heat sources such as heaters or hot air ducts e Do not place other components or object on top of or under the DTA 70 1 The cover of the DTA 70 1 contains ventilation holes to allow the passage of air Do not cover or block these ho2. 9 Dis DTA 70 1 Instruction Manual e Integra e P do Z DTA 70 1_En_100108 book Page 2 Friday January 8 2010 2 04 PM WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE 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 WARNING J AVIS RISK OF ELECTRIC SHOCK ff RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the H 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 Important Safety Instructions SSN to h Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radia tors h
3. During lightning storm never touch the power cord plug or cover of the DTA 70 1 and any devices connected to the DTA 70 1 Power WARNING BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME READ THE FOLLOWING SECTION CARE FULLY AC outlet voltages vary from country to country Make sure that the voltage in your area meets the voltage requirements printed on the unit s rear panel e g AC 220 240 V 50 60 Hz or AC 120 V 60 Hz d f 2 i DTA 70 1_En_100108 book Page 7 Friday January 8 2010 2 04 PM Quick Operation Guide Here is a quick guide for those who want to listen to music or view their favorite movies as soon as possible Connections and operations are explained briefly here for the purpose of just getting you started For those of you who want to operate the DTA 70 1 the amplifier right away follow the guide below However this instruction manual contains a great deal of other information that you should know for the proper opera tion of the amplifier and for a more pleasurable experi ence with the amplifier Be sure to read the rest of this manual as well after reading this quick guide The procedures given below assume that the other sys tem components are already connected and configured For example that the source components are already connected to the control amplifier 1 Lower the volume at the control amplifier Lower the volume of the control amplifie
4. Front right Front left speaker speaker lel J See page 13 or 14 for the connection SURR R FRONT R FRONTL SURR L SURR BACK L l CENTER FRONT HIGH SURR BACK R WIDE R scri OF Neur d seLecr O OUTPUT l l l wer O I l l l OUTPUT Main room Surround back Surround right Front right Center speaker Front left Surround left Surround back right speaker speaker speaker speaker speaker left speaker 17 DTA 70 1_En_100108 book Page 18 Friday January 8 2010 2 04 PM Troubleshooting If the DTA 70 1 fails to function normally first check the following points before contacting the dealer from whom you purchased this unit If the problem is not solved after going through the following list unplug the power cord and contact the dealer from whom you pur chased this unit No power e Power cord is not correctly plugged into AC outlet Inlet gt Plug the power cord into the AC outlet Inlet prop erly e Power switch is not set to On position gt Set the Power switch to On Power turns on but no sound e Incomplete connections gt Check speaker cable connections gt Insert all
5. Unplug the apparatus from the wall outlet and refer servicing to qualified service personnel under the following conditions A When the power supply cord or plug is dam aged B If liquid has been spilled or objects have fallen into the apparatus C Ifthe apparatus has been exposed to rain or water D If the apparatus does not operate normally by following the operating instructions Adjust only those controls that are covered by the oper ating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified tech nician to restore the apparatus to its normal operation E Ifthe apparatus has been dropped or damaged in any way and F When the apparatus exhibits a distinct change in performance this indicates a need for service 16 Object and Liquid Entry Never push objects of any kind into the apparatus through openings as they may touch dangerous volt age points or short out parts that could result in a fire or electric shock The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus Don t put candles or other burning objects on top of this unit 17 Batteries Always consider the environmental issues and fol low local regulations when disposing of batteries 18 If you install the apparatus in a built in installation such as a bookcase
6. Always connect by plugging into the wall outlet last and dis connect by unplugging from the wall outlet first e Before you plug in the amplifier confirm that all con nections have been made properly e Turning on the power may cause a momentary power surge which might interfere with other electrical equipment on the same circuit such as computers If this happens use a wall outlet on a different circuit L d P do Z DTA 70 1_En 100108 book Page 11 Friday January 8 2010 2 04 PM Connecting the Amplifier Connecting Your Speakers Before connecting the speakers place them correctly by consulting the instruction manuals that came with them For surround playback the configuration and placement of your speakers are very important Please note that connecting speakers with a low power input rating does not produce large sound volumes For those speakers large sound volumes causing excessive input level may damage the speakers Note Once you ve completed speaker connections you must turn on the AV controller or control amplifier and con figure the output channels Attaching the Speaker Labels The amplifier s positive speaker terminals are all red the negative speaker terminals are all black Speaker Color Front left White Front right Red Center Green Surround left Blue Surround right Gray Surround back lef
7. Regardless of the position of this switch this function will not work when the amplifier has been turned on by the 12V trigger e Before entering standby mode by the auto power down function the amplifier notifies you by flashing the On indicator for 10 seconds e Depending on some sources the auto power down function may activate during playback 12V TRIGGER IN Connects to the 12V trigger output terminal on the other component to control the amplifier This enables the amplifier to turn on or go into standby state based on the power on standby status of the connected component Use the supplied or commercially available 1 8 inch mono cable to connect to the 12V trigger output ter minal on the other device The tip polarity of the connectors are as shown below 5 to 12 volts positive tip polarity AC INLET Plug the supplied power cord into this AC INLET and then into the power outlet on the wall Power cord supplied i WJ ios mr a gt To an AC wall outlet Do not plug the amplifier into the AC outlet other than an AC wall socket e Do not use a power cord other than the one supplied with the amplifier The power cord supplied is designed for use with the amplifier and should not be used with any other device e Never have the power cord disconnected from the amplifier while the other end is plugged into the wall outlet Doing so may cause an electric shock
8. SURR BACK L FRONT HIGH WIDE L FRONT HIGH D IWIDE R ano coro H HoT omn OUTPUT OUTPUT OUTPUT OUTPUT C e INPUT INPUT INPUT smery O saeerr secr y weur seuer y OUTPUT Bs C K INPUT INPUT Sezer y O seuer y 3 e INPUT seeor OUTPUT OUTPUT OUTPUT OUTPUT Balanced Input XLR terminal Connect AV controllers or control amplifiers with balanced outputs for high quality sound aK 1 GND s 3 COLD SAA 2 HOT Connector ground terminal Chassis grounded The pin assignments for this terminal are given above This pin assignment conforms to the stan dard adopted by the Audio Engineering Society Refer to the instruction manual supplied with the control amplifier and verify that its output terminal is compatible with the pin assignments for this ter minal The output terminal of Integra DTC 80 1 is compatible with the pin assignments for the termi nal of the amplifier The amplifier uses the European type XLR termi nal Phase is reversed when an XLR cable is con nected to the control amplifier that uses the USA type XLR terminal In this case swap pin 2 and pin 3 to set the polarity to the European type before connecting CAUTION SPEAKER IMPEDANCE 42 162 OR 62 160 SPEAKER Plugging the XLR cable Match the pins and insert the terminal until you hear a click Ma
9. or rack ensure that there is ade quate ventilation Leave 20 cm 8 of free space at the top and sides and 10 cm 4 at the rear The rear edge of the shelf or board above the apparatus shall be set 10 cm 4 away from the rear panel or wall creating a flue like gap for warm air to escape io dl iie 2 i DTA 70 1_En_100108 book Page 3 Friday January 8 2010 2 04 PM Precautions 1 Recording Copyright Unless it s for personal use only recording copyrighted material is illegal with out the permission of the copyright holder 2 AC Fuse The AC fuse inside the unit is not user serviceable If you cannot turn on the unit contact the dealer from whom you purchased this unit 3 Care Occasionally you should dust the unit all over with a soft cloth For stubborn stains use a soft cloth dampened with a weak solution of mild deter gent and water Dry the unit immediately afterwards with a clean cloth Don t use abrasive cloths thin ners alcohol or other chemical solvents because they may damage the finish or remove the panel let tering 4 Power WARNING BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME READ THE FOLLOWING SEC TION CAREFULLY AC outlet voltages vary from country to country Make sure that the voltage in your area meets the voltage requirements printed on the unit s rear panel e g AC 230 V 50 Hz or AC 120 V 60 Hz The power cord plug is u
10. the supplied cable the power on or off status of the amplifier synchronizes to the action of turning on or off the connected device While the Standby indicator lights red the amplifier is in standby state waiting for 12V trigger signal 8 Slowly increase the control amplifier volume Note After the amplifier is turned on it takes approximately 10 seconds before the output sounds During this time do not turn up the volume Now all that remains is to control the control amplifier and the other connected system components and enjoy your music or movies d Y Z DTA 70 1_En_100108 book Page 8 Friday January 8 2010 2 04 PM Front amp Rear Panels Front Panel Power switch This is the main power switch When set to OFF the amplifier is completely shutdown It must be set to On to set the amplifier to On or Standby On Standby button This button is used to set the amplifier to On or Standby Note If you wish to turn on the amplifier again after it is turned off wait for several seconds DTA 70 1 Standby indicator The amplifier is in standby state and waits for instruction signal from the 12V TRIGGER IN ter minal On indicator The main power of the amplifier is turned on and you can play and enjoy an input source Notes e If the Power switch is pressed and both of the On and Standby indicators do not light check that the power cor
11. T APPAREIL NUMERIQUE DE LA CLASSE B EST CONFORME A LA NORME NMB 003 DU CANADA Sur les mod les dont la fiche est polaris e ATTENTION POUR EVITER LES CHOCS ELEC TRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE SPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND oo i DTA 70 1_En_100108 book Page 4 Friday January 8 2010 2 04 PM Thank you for purchasing an Integra 9 Channel Ampli fier Please read this manual thoroughly before making connections and plugging in the unit Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new 9 Channel Amplifier Please retain this manual for future reference Features 2 150 Watts per channel minimum RMS into 8 ohms 2 channels driven from 20 to 20 000 Hz with no more than 0 05 total harmonic distortion THX Ultra2 certified WRAT Wide Range Amplifier Technology 5 Hz 100 kHz bandwidth Push Pull amplification design with three stage inverted Darlington circuitry Massive toroidal transformer Customized 22 000 pF large capacitors for effective power supply Audio tuned reference capacitors for each channel Low impedance copper bus plates for perfect ground potential Gold plated XLR and machined solid brass RCA input terminals Custom designed large power transistors to drive high currents High current low impedance c
12. and will sound unnatural e Unnecessarily long or very thin speaker cables may affect the sound quality and should be avoided e If you use 4 or 5 speakers connect each of the two surround speakers to the SURR L R terminals Do not connect them to the SURR BACK L R or FRONT HIGH WIDE L R terminals e Be careful not to short the positive and negative wires Doing so may damage the amplifier e Make sure the metal core of the wire does not have contact with the amplifier s rear panel Doing so may damage the amplifier Don t connect more than one cable to each speaker terminal Doing so may damage the amplifier Don t connect one speaker to several terminals d DTA 70 1_En_100108 book Page 12 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued Connecting the Speaker Cables 1 Strip about 1 2 to 5 8 1 2 to 5 8 3 Fully insert the bare wires 12 to 15 mm of insu B ee ee G lation from the ends of SN SG hy the speaker cables Q and twist the bare wires tightly as 4 Screw the terminal tight 7 2 h gt shown 2 Unscrew the terminal Af Gr The following illustration shows which speaker should be connected to each pair of terminals If you re using only one surround back speaker connect it to the SURR BACK L terminal Note If you use front high or front wide speakers you must turn on the AV controller and select the speakers to be used For
13. balanced outputs for multiroom versatility you can also use the balanced inputs on the amplifier E Connection 1 Main room You can enjoy up to 5 channel surround sound playback Zone 2 You can enjoy 2 channel stereo playback and video playback Zone 3 You can enjoy 2 channel stereo playback Zone 2 Make either Zone 3 connection fun Sl a 9 AV controller 3 Go Front right Front left Front right Front left speaker speaker speaker speaker Z Z X Sle 1 SURR BACK L y FRONT HIGH WIDEL secr O INPUT Neur A secr S secr y OUTPUT INPUT seecr O OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT Main room Surround right Front right Center speaker Front left Surround left speaker speaker speaker speaker P lo P DTA 70 1_En 100108 book Page 17 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued E Connection 2 Main room You can enjoy up to 7 channel surround sound playback Zone 2 You can enjoy 2 channel stereo playback and video playback Zone 2 Make either connection 73887 Y CBIPB 3 a AV controller ES G ZONE 2 OUT
14. compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfer ence in a residential installation This equipment generates uses and can radiate radio fre quency energy and if not installed and used in accor dance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a partic ular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the amplifier e Connect the equipment into an outlet on a circuit dif ferent from that to which the receiver is connected e Consult the dealer or an experienced radio TV techni cian for help For Canadian Models NOTE THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES 003 For models having a power cord with a polarized plug CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT Mod le pour les Canadien REMARQUE CE
15. d is properly connected If the indictors still do not light turn off the amplifier disconnect the power cord from wall outlet and contact the dealer from whom you purchased this unit e Ifthe Standby indicator flashes red the protection cir cuitry of the amplifier has activated The protection circuitry activates if a problem such as a speaker cable shorting or excessive temperature occurs Turn off the amplifier remove the cause of the problem and then turn it back on If the problem is still not solved turn off the amplifier disconnect the power cord from wall outlet and contact the dealer from whom you pur chased this unit d Front amp Rear Panels Continued DTA 70 1_En_100108 book Page 9 Friday January 8 2010 2 04 PM Rear Panel This unit comprises 9 independent power amplifiers each being capable of reproducing the same quality sound through its channel Note that you should connect an input source and a speaker to each channel in use Caution Do not connect the power cord until you have finished all other connections e Read the instructions that came with the other components you are connecting Do not make connections to input or output jacks while the amplifier is turned on Power mm On Turn the volume of the control amplifier down before turning on the amplifier AC INLET SURR BACK R SURR R FRONT R Em CENTER FRONTL SURR L
16. eat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are pro vided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or 1 12 Use only with the cart stand pinched particularly at plugs convenience recepta cles and the point where they exit from the appara tus 1 Only use attachments accessories specified by the manufacturer PORTABLE CART WARNING tripod bracket or table spec ified by the manufacturer or sold with the apparatus When a cart is used use cau tion when moving the cart apparatus combination to avoid injury from tip over L C lt S3125A 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 Damage Requiring Service
17. er to set the polarity to the European type before connecting The amplifier XLR type Balanced cable pee mm From the AV controller popopoadacacadade GCOOGOOOok FRONT HIGH WIDERI SURRBACKR SURRR FRONTR CENTER FRONIL SURRL SURRBACKL IFRONTHIGH WIDELI AV controller OOOOOOOOGe lt Ur an T From the amplifier L 18 P DTA 70 1_En_100108 book Page 14 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued Connecting to an AV Controller with RCA output Since many users will purchase the amplifier together with the Integra AV controller DHC 80 1 here is an explanation of how to connect the amplifier to the DHC 80 1 For more details see the instruction manual of the connected compo nent Notes e When using the RCA inputs do not connect anything to the balanced inputs e Make sure that the pin cable is not split The split pin cable may be the cause of noise e Push plugs in all the way to make good connections loose connections can cause noise or malfunctions To prevent interference keep audio and video cables away from power cords and speaker cables The amplifier FRONT HIGH y SURR BACK R SURRR FRONT R CENTER FRONTL SURR L SURR BACK L FRONT HIGH mep O Mery O ry O Mey O w
18. ey O SG MeO MeO Mao seecty OF AV controller DTA 70 1_En_100108 book Page 15 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued Bi amping the Front Speakers The FRONT L R and SURR BACK L R outputs can be used with front speakers and surround back speakers respec tively or bi amped to provide separate tweeter and woofer feeds for a pair of front speakers that support bi amping providing improved bass and treble performance Notes e Please make sure that your AV controller supports bi amping e When bi amping is used the amplifier is able to feed up to 7 channel speakers in the main room e When bi amping is used surround back speakers cannot be used For bi amping the FRONT L R outputs feed the front speakers woofer terminals And the SURR BACK L R outputs feed the front speakers tweeter terminals e Once you ve completed the bi amping connections shown below you must turn on the AV controller and configure it to enable bi amping For more details see the instruction manual of the connected component e You can also use unbalanced RCA connections for bi amping Important e When making the bi amping connections be sure to remove the jumper bars that link the speakers tweeter high and woofer low terminals e Bi amping can only be used with speakers that support bi amping Refer to your speaker manual AV control
19. inals is not complete or not appropriate gt For each channel s input terminals connect cables or cords to either balanced input terminal or audio input terminal only and switch the INPUT SELECT switch accordingly Avoid connecting the cables or cords to the input ter minals that will not be used i d DTA 70 1_En_100108 book Page 19 Friday January 8 2010 2 04 PM Specifications Amplifier section Rated Output Power All channels North American 150 watts minimum continuous power per channel 8 ohm loads 2 channels driven from 20 Hz to 20 kHz with a maximum total harmonic distortion of 0 05 FTC 175 watts minimum continuous power per channel 8 ohm loads 2 channels driven from 20 Hz to 20 kHz with a maximum total harmonic distortion of 0 7 FTC 185 watts minimum continuous power per channel 6 ohm loads 2 channels driven at 1 kHz witha maximum total harmonic distortion of 0 1 FTC Australian 9 ch X 220 W at 6 ohms kHz 1 ch driven IEC Maximum Effective Output Power Australian 9 ch X 280 W at 6 ohms kHz 1 ch driven JEITA Dynamic Power 400 W 3 Q Front 300 W 4 Q Front 180 W 8 Q Front THD Total Harmonic Distortion 0 05 Power Rated Damping Factor 60 Front 1 kHz 8 Q Input Sensitivity and Impedance 1 V 47 KO Unbalanced 2 V 22 kQ Balanced Frequency Response 5 Hz 100 kHz 1 dB 3 dB Signal to Noise Ratio 110 dB Unbalanced IHF A Spea
20. ingle ended outputs RCA type lt lt m _ Notes e When using this single ended connection for a spe cific channel set the INPUT SELECT switch to the lower side the RCA audio input side use commer cial RCA audio pin cable and connect the single ended outputs Do not connect anything to the balanced input jack OUTPUT Speaker output and binding post These terminal posts are for connecting the front L R center surround L R surround back L R and front high wide L R speakers The FRONT L R and SURR BACK L R terminal posts can be used with front speakers and surround back speakers respectively or used to bi amp the front speakers See Bi amping the Front Speakers on page 15 SPEAKER IMPEDANCE switch Use this switch to select the speaker impedance 4Q Select if the impedance of any speaker is 4 ohms or more but less than 6 6Q Select if the impedances of all speakers are between 6 and 16 ohms AUTO POWER DOWN switch You can use the auto power down function If the amplifier receives no signal for 3 hours it will auto matically enter standby mode Once the auto power down function has been activated the amplifier will not automatically turn on even if it receives the sig nal To turn on the amplifier press the On Standby button manually You can also disable the function by setting this switch to OFF side Default setting ON Australian models OFF North American models Notes e
21. ircuit board by using thick copper foil 70 H Gold plated color coded transparent speaker posts Auto power down function Multi zone capability up to Zone 3 2 Bi amping capability 12V trigger in Aluminum front panel Detachable power cord ULTRAZ THX and Ultra2 are trademarks of THX Ltd THX may be registered in some jurisdictions All rights reserved Depends on AV controller L P DTA 70 1_En_100108 book Page 5 Friday January 8 2010 2 04 PM Contents Supplied Accessories Before using Important Safety Instructions 2 Precautions siiig aasa deana a a eaa EaR REE OE EE EE L i L0 g g Supplied Accessories x Amplifier Precautions c Operations Quick Operation Guide erene 7 Front amp Rear Panels Front Panel t lG F EHG L E 22 722252101220 6134019116 62Y18148110043572235av39522Y83 Connections Connecting the AmpIlifier x 11 Connecting Your Speakers 11 Connecting to an AV Controller with XLR ou pul c Ssssesiesekree 13 Connecting to an AV Controller with RCA ou put che Bi amping the Front Speakers s Multiroom Connections s s lt s Appendix Troubleshooting
22. ke sure that the terminal is locked by lightly pulling the connection cable Unpugging the XLR cable Pull out the connection cable while holding down the lever PH NG gt Notes e When using this balanced connection for a specific channel between the control amplifier and the ampli fier set the INPUT SELECT switch to the upper side the balanced input side to select balanced input Next use commercial XLR balanced cable and con nect the balanced output from the control amplifier to the corresponding balanced input on the amplifier e Do not connect anything to the RCA type audio input jack s D l k P Y Z DTA 70 1_En_100108 book Page 10 Friday January 8 2010 2 04 PM Front amp Rear Panels Continued INPUT SELECT switch This switch is located between the balanced input and single ended RCA input for each channel Use this switch to select the input type for its channel When setting the switch to the upper side the bal anced input is selected When setting the switch to the lower side the RCA audio input is selected Notes Do not change the INPUT SELECT switch setting when the amplifier is turned on e Make sure that connections have been made only to the inputs selected with the INPUT SELECT switches and nothing is connected to the other ones Unbalanced Input single end RCA input Connect AV controllers or control amplifiers with s
23. ker Impedance 4Q 160 General Power Supply North American AC 120 V 60 Hz Australian AC 220 240 V 50 60 Hz Power Consumption North American 11 7 A Australian 1050 W Dimensions W X H X D 435 X 198 5 X 445 mm 17 1 8 X 7 13 16 X 17 1 2 Weight 23 kg 50 7 Ibs Audio Inputs Balance Inputs 9 Unbalance Inputs 9 E Speaker Outputs FL FR C SL SR SBL SBR LH RH E Control Terminal 12 V Trigger In 1 Specifications and features are subject to change without notice 19 P do Z DTA 70 1_En_100108 book Page 20 Friday January 8 2010 2 04 PM Integra Division of ONKYO U S A CORPORATION 18 park Way Upper Saddle River N J 07458 U S A Tel 800 225 1946 201 818 9200 Fax 201 785 2650 http www integrahometheater com Enl Integra Division of ONKYO CORPORATION Sales amp Product Planning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Y1001 1 Tel 072 831 8023 Fax 072 831 8163 1 C Copyright 2010 ONKYO CORPORATION Japan All rights reserved V i t l eee 2940019 ie ojja YU
24. ler SW WIWIWIWQAAIG The amplifier FRONT HIGH IWIDE R B INPUT INPUT INPUT INPUT INPUT serr secr O saecry O smecry O seecry O INPUT INPUT A INPUT Sezer y O sect y O f OUTPUT OUTPUT S Surround left speaker Surround right speaker Front high wide left speaker Front high wide right speaker Ci Tweeter high mie H Woofer low T T Front right speaker Front left speaker 15 Ril V ig k DTA 70 1_En_100108 book Page 16 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued Multiroom Connections You can use three speaker systems with this amplifier a surround sound speaker system in your main listening room Zone 2 a stereo speaker system in a second room Zone 3 a stereo speaker system in a third room The following examples are based on using the amplifier with the AV controller DHC 80 1 For more details see the instruction manual of the connected component Notes e Please make sure that your AV controller has the multi zone capability e Once you ve completed multi zone connections shown below you must turn on the AV controller and configure it to enable the multi zone capability If your AV controller has
25. les in any way If you are planning to place it within a cabinet either open holes in the rear panel of the cabinet to improve ventilation or use a fan to force air circulation As a general rule if during idling the cover is too hot to touch then ventilation needs to be improved Installation location and space Make sure that the floor or cabinet or rack where it will be located is strong enough to support its weight You will also need to leave enough space behind the DTA 70 1 to allow room for the power cord and other cables for connecting system components A minimum of four inches is required behind the DTA 70 1 to allow room for the cables and cords without excessively bend ing them Do not place the DTA 70 1 near TV or radio This may cause noise or instable video on radio or TV respectively Power cord Do not use a power cord other than the one supplied with the DTA 70 1 The power cord supplied is designed for use with the DTA 70 1 and should not be used with any other device Be sure to only use wall sockets that properly fit the plug of the power cord If the socket does not match the plug of the power cord you will need to prepare an adapter Always use an adapter that is properly certified for this application Speakers Connected speakers should have an impedance of 4 ohms or greater If speakers with an impedance of less than 4 ohms are connected it may damage the DTA 70 1 Care From time to time
26. more details see the instruction manual of the connected component SPEAKER IMPEDANCE 40 gt 62 SPEAKER IMPEDANCE OQ _J select 40 or 60 FRONT HIGH SURR BACK R SURR R FRONT R CENTER FRONTL SURR L SURR BACK L FRONT HIGH WIDE R WIDE L OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT Surround Front right Center Front left Surround right speaker speaker speaker left speaker speaker Front high wide Surround Surround Front high wide right speaker back right back left left speaker speaker speaker DTA 70 1_En_100108 book Page 13 Friday January 8 2010 2 04 PM Connecting the Amplifier Continued Connecting to an AV Controller with XLR output Since many users will purchase the amplifier together with the Integra AV controller DHC 80 1 here is an explanation of how to connect the amplifier to the DHC 80 1 For more details see the instruction manual of the connected compo nent Notes e When using the balanced inputs do not connect anything to the RCA inputs e Make sure that the balanced cable is not split The split balanced cable may be the cause of noise e Ifa device with the USA type terminal is connected the phase will be reversed In this case swap the polarity of the XLR connector in ord
27. plugs firmly into jacks e No input signal from control amplifier gt Check for input signal from control amplifier Incorrect INPUT SELECT switch setting gt Set INPUT SELECT switch to correct setting The Standby indicator flashes red The protection circuitry has been activated gt Remove the power cord from the wall outlet immediately Set the Power switch to Off disconnect all speaker cables and input sources and then leave the amplifier with its power cord disconnected for 1 hour After that reconnect the power cord set the Power switch to On If the amplifier stays on dis connect the power cord and reconnect your speakers and input sources If the amplifier turns off discon nect the power cord and contact the dealer from whom you purchased this unit The 12V trigger of the DTA 70 1 does not react to that of the DHC 80 1 e Connection between the 12V trigger terminals is incomplete gt Connect the cables to the terminals firmly Humming or other noise is heard Input cable connection is incomplete gt Insert the input cable to pin jack or connector completely e Noise from power cord or power transformer affects the input cable gt Keep power cord or power transformer away from the input cable e Power cord or speaker cables are bundled together with pin cords gt This may cause humming or noise Do not bundle power cord or speaker cables with pin cables together e Connection to the input term
28. r to the minimum so that when the amplifier is turned on you do not hear loud unwanted sounds 2 Connect the speakers to the amplifier Connect the speakers to the amplifier using the proper speaker cables Be sure to match the channels and the positive and negative polarities between the speakers and the amplifier If the con nections are mistaken the correct orientation will not be obtained 3 Select balanced input XLR or unbalanced input RCA with the INPUT SELECT switch The amplifier possesses a balanced input XLR and unbalanced input RCA for each channel and the switch for the two is located between the two input terminals Select the proper input type depending on the functionality of the connected cables and the control amplifier Note Do not change the INPUT SELECT switch setting when the amplifier is turned on 4 Connect the control amplifier to the amplifier After selecting the correct input type in step 3 above connect the output from the control amplifier to the corresponding input terminal on the amplifier Note Do not connect anything to the other input jack 5 Connect the supplied power cord to the amplifier and to the wall power outlet Be sure to properly plug the power cord all the way in 6 Press the Power switch The Standby indicator lights red 7 Press the On Standby button The On indicator lights blue When you connect other device to the 12V TRIG GER IN terminal using
29. sed to disconnect this unit from the AC power source Make sure that the plug is readily operable easily accessible at all times Pressing the On Standby button to select Standby mode does not fully shutdown the unit If you do not intend to use the unit for an extended period remove the power cord from the AC outlet 5 Preventing Hearing Loss Caution Excessive sound pressure from earphones and head phones can cause hearing loss 6 Batteries and Heat Exposure Warning Batteries battery pack or batteries installed shall not be exposed to excessive heat as sunshine fire or the like 7 Never Touch this Unit with Wet Hands Never handle this unit or its power cord while your hands are wet or damp If water or any other liquid gets inside this unit have it checked by the dealer from whom you purchased this unit 8 Handling Notes If you need to transport this unit use the original packaging to pack it how it was when you origi nally bought it e Do not leave rubber or plastic items on this unit for a long time because they may leave marks on the case e This unit s top and rear panels may get warm after prolonged use This is normal e If you do not use this unit for a long time it may not work properly the next time you turn it on so be sure to use it occasionally For U S models FCC Information for User CAUTION The user changes or modifications not expressly approved by the party responsible for
30. t Brown Surround back right Tan Front high wide left White Front high wide right Red The supplied speaker cable labels are also color coded and you should attach them to the positive side of each speaker cable in accordance with the above table Then all you need to do is to match the color of each label to the corresponding speaker terminal North American models If you are using banana plugs tighten the speaker ter minal before inserting the banana plug Do not insert the speaker code directly into the center hole of the speaker terminal Speaker Connection Precautions Read the following before connecting your speakers e You can connect speakers with an impedance of between 4 and 16 ohms If the impedance of any of the connected speakers is 4 ohms or more but less than 6 ohms be sure to set the minimum speaker impedance to 4ohms see page 10 If you use speakers with a lower impedance and use the amplifier at high vol ume levels for a long period of time the built in pro tection circuit may be activated e Disconnect the power cord from the wall outlet before making any connections e Read the instructions supplied with your speakers e Pay close attention to speaker wiring polarity In other words connect positive terminals only to positive terminals and negative terminals only to nega tive terminals If you get them the wrong way around the sound will be out of phase
31. you should wipe the front and rear panels and the cabinet with a soft cloth For heavier dirt dampen a soft cloth in a weak solution of mild detergent and water wring it out dry and wipe off the dirt Follow ing this dry immediately with a clean cloth Do not use rough material thinners alcohol or other Chemical sol vents or cloths since these could damage the finish or remove the panel lettering Whenever performing maintenance on the DTA 70 1 any of its supplied accessories or any device connected to it do not use solvents or cleaners of any kind that are inflammable or combustible When you clean the input output terminals on the rear panel do not use contact restorer Doing so may cause resin deterioration Other Below is a list of actions that you should never perform Do not use the DTA 70 1 as a broadcast system or musical instrument amplifier e Never use a generator DC AC converter AC AC con verter or transformer to supply power for the DTA 70 1 e Never perform a thumb test checking whether cur rent is reaching the lead wire on the hot end of the input by touching it with your fingers on the ends of the input jacks or input cables Doing so may damage the speakers Do not short across the output terminals or across the output terminals and rear panel e Never remove the cover of the DTA 70 1 Do not install the DTA 70 1 in a location within the reach of small children Lightning storms
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