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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Sunfire TGA7401 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Sunfire TGA7401, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sunfire service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Sunfire TGA7401.
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Table of contents for the manual
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Page 1
TGA-7401 / TGA-7401-230 and TGA-7201 / TGA-7201-230 seven Theater Grand Amplifier[...]
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Page 2
User's Manual 2 Important Safety Instructions 10. V entilation — The apparatus should be situated so that its location or position does not interfere with its proper ventilation. For example, the apparatus should not be situated on a bed, sofa, rug, or similar surface that may block any ventilation openings; or placed in a built-in installat[...]
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Page 3
User's Manual 3 Safety Instructions ................................... 2-3 Chapter 1: Introduction ...............................4 Theater Grand Amplier Editions ................5 Unpacking and Installation .........................6 Front Panel Features ..................................7 Rear Panel Features .............................[...]
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Page 4
User's Manual 4 CHAPTER 1 Thank you for purchasing a Sunre Theater Grand Amplier . We hope you enjoy it and the music it makes as much as we have enjoyed creating it for you. The TGA-7401 can produce 400 watts rms per channel into 8 ohms and 800 watts rms into 4 ohms . The TGA-7201 can produce 200 watts rms per channel into 8 ohms, and 4[...]
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Page 5
User's Manual 5 CHAPTER 1 Theater Grand Amplier Editions The Theater Grand seven chan- nel power amplier is available in two editions: • TGA-7401 • TGA-7201 The TGA-7401 has twice the power output of the TGA-7201. This manual uses illustrations of the TGA-7401. The operational details, features, and connections to loud- speakers and [...]
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Page 6
User's Manual 6 Installation Read and follow all safety instruc- tions shown on pages 2 and 3. Observe the following precautions when choosing a location for your Theater Grand Amplier: • Protect it from prolonged exposure to direct sunlight and other direct sources of heat, such as heating vents and radiators. • Do not expose the unit [...]
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Page 7
User's Manual 7 Front Panel Features Overview Y our Theater Grand Amplier has seven channels of power amplica - tion combined in one chassis for the purpose of reproducing music or video soundtracks. It accepts line-level signals from a controlling preamplier and amplies them to a higher level, suitable for driving powerful stereo [...]
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Page 8
User's Manual 8 Rear Panel Features 1. AUT O/ON/OFF Switch Y our Theater Grand Amplier is designed with an automatic on/off circuit. • In the AUTO-ON position, the amplier will automatically turn on if an audio signal is pres- ent at any of the inputs, or if it receives a 12 VDC input volt- age at the trigger inputs. The amplier wil[...]
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Page 9
User's Manual 9 4. XLR Inputs If your preamplier has XLR outputs, connect them to these XLR inputs. These balanced connections offer superior noise rejection com- pared to the unbalanced RCA inputs, particularly for long cable runs. The female XLR inputs are wired as follows: Pin 1 is ground Pin 2 is positive (hot) Pin 3 is negative (cold) [...]
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Page 10
User's Manual 10 CHAPTER 2 System Congurations Unbalanced Connections If your preamplier has RCA out - puts, it can be connected to the ampli- er inputs as shown. The amplier will boost the preamplier's output, up to a level suitable for driving speakers. This diagram also shows how the V oltage Source outputs connect to th[...]
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Page 11
User's Manual 1 1 + + + + + + + LOUDSPEAKERS R RS C LS L LB RB Sunre Theater Grand Processor TGP-401 CHAPTER 2 Balanced Connections If your preamplier has XLR outputs, it can be connected to the XLR inputs as shown. This example shows the con - nections to the Sunre Theater Grand Processor TGP-401. This also shows the Current Source o[...]
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User's Manual 12 CHAPTER 2 For biamp-capable speakers, such as Sunre's Cinema Ribbon line, the Theater Grand Amplier can be congured to provide a very powerful system. A speaker which can be biamped or biwired will have two sets of binding posts. Sometimes these posts are joined with bridge clips for normal operation. Make sure t[...]
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User's Manual 13 CHAPTER 2 + - RIGHT TWEETER (CURRENT SOURCE) + - RIGHT WOOFER + - LEFT WOOFER + - LEFT TWEETER (CURRENT SOURCE) R L UNBALANCED PREAMP OUTPUTS LOUDSPEAKERS Note: The remaining channels can be used to drive other speakers, or left unconnected. These connections have been omitted from this drawing and the one below for clarity . [...]
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Page 14
User's Manual 14 CHAPTER 2 R L UNBALANCED PREAMP OUTPUTS + - RIGHT TWEETER (CURRENT SOURCE) + - LEFT WOOFER (VOL T AGE SOURCE) + - LEFT TWEETER (CURRENT SOURCE) LOUDSPEAKERS + - RIGHT WOOFER (VOL T AGE SOURCE) If your speakers can be biwired or biamped, they will have completely separate input terminals for the woofer section and the upper ran[...]
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Page 15
User's Manual 15 APPENDIX S eries and Parallel sp ea ke r co nn ec ti on s A mplifier Outputs A mplifier Outputs The connection of more than one speaker per channel will tend to degrade the speaker ’s frequency response, and may make the amplier run hot. For the best results use one speaker per channel. If you do want to connect more than[...]
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Page 16
User's Manual 16 APPENDIX The Sunre Amplier is expertly designed and built to provide years of trouble-free performance. Most prob- lems that occur can usually be solved by checking your setup or making sure that the audio and video com- ponents connected to your processor are on and fully operational. The following information will help[...]
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Page 17
User's Manual 17 APPENDIX • Check that the interconnect cables to the amplier do not have any broken connections. Other causes of noise • Speaker noise may also be caused by interference or noise on your AC line. Make sure there are no large appliances sharing the line, or halogen lamps or lamps with dimmer controls. • Try connecting [...]
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Page 18
User's Manual 18 APPENDIX © 2008 Sunre, a division of Elan Home Systems, LLC. All rights reserved. Sunre reserves the right to improve its products at any time. Therefore, specications are subject to change without notice. Manual part # : 913-153-00 Rev A TGA-7401 Power output 400 watts continuous, per chan- nel, into eight ohms, at [...]
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Page 19
User's Manual 19 APPENDIX Sunre Limited W arranty Sunre, a division of Elan Home Systems, LLC, is proud of its products which have been built with care using advanced technology and premium component parts. Y our unit has been crafted to perform properly for many years. Sunre offers the following W arranty to you, the owner of a new S[...]
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Page 20
Manual part number : 913-153-00 Rev A Theater Grand Amplifier TGA-7401 / TGA-7401-230 and TGA-7201 / TGA-7201-230[...]