DTA-70.1_En_100108.book Page 1 Friday, January 8, 2010 2:04 PM 9-Channel Amplifier DTA-70.
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.
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 without the permission of the copyright holder. 2. AC Fuse—The AC fuse inside the unit is not userserviceable. 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.
DTA-70.1_En_100108.book Page 4 Friday, January 8, 2010 2:04 PM Thank you for purchasing an Integra 9-Channel Amplifier. 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.
DTA-70.1_En_100108.book Page 5 Friday, January 8, 2010 2:04 PM Contents Before using Important Safety Instructions..................................... 2 Precautions ............................................................... 3 Features .................................................................... 4 Supplied Accessories ................................................ 5 Amplifier Precautions ................................................
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 Instructions 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.
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.
DTA-70.1_En_100108.book Page 8 Friday, January 8, 2010 2:04 PM Front & 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_En_100108.book Page 9 Friday, January 8, 2010 2:04 PM Front & Rear Panels—Continued 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. • Read the instructions that came with the other components you are connecting.
DTA-70.1_En_100108.book Page 10 Friday, January 8, 2010 2:04 PM Front & 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 balanced 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.
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.
DTA-70.1_En_100108.book Page 12 Friday, January 8, 2010 2:04 PM Connecting the Amplifier—Continued Connecting the Speaker Cables 1 2 Strip about 1/2" to 5/8" (12 to 15 mm) of insulation from the ends of the speaker cables, and twist the bare wires tightly, as shown. 1/2" to 5/8" (12 to 15 mm) 3 Fully insert the bare wires. 4 Screw the terminal tight. Unscrew the terminal. The following illustration shows which speaker should be connected to each pair of terminals.
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 component. Notes: • When using the balanced inputs, do not connect anything to the RCA inputs.
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 component. Notes: • When using the RCA inputs, do not connect anything to the balanced inputs.
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 respectively, 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: • Please make sure that your AV controller supports bi-amping.
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.
DTA-70.1_En_100108.book Page 17 Friday, January 8, 2010 2:04 PM Connecting the Amplifier—Continued ■ 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. AV controller Front right speaker Front left speaker The amplifier See page 13 or 14 for the connection.
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 purchased this unit. No power. • Power cord is not correctly plugged into AC outlet/ Inlet. → Plug the power cord into the AC outlet/Inlet properly.
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.
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 Integra Division of ONKYO CORPORATION Sales & Product Planning Div.: 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8163 En Y1001-1 SN 29400191 (C) Copyright 2010 ONKYO CORPORATION Japan. All rights reserved.
