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Sunfire TGA-7400 - page 1
Theater Grand Amplifier TGA-7400 / TGA-7400(E) and TGA-7200 / TGA-7200(E) seven ...
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Sunfire TGA-7400 - page 2
User's Manual 2 Important Safety In struc tions 10. V entilation — The apparatus should be situated so that its location or position does not interfere with its proper ven ti la tion. For example, the apparatus should not be situated on a bed, sofa, rug, or similar surface that may block any ven ti la tion open ings; or placed in a built-in ...
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Sunfire TGA-7400 - page 3
User's Manual 3 16. T o prevent electric shock , do not use this polarized plug with an ex ten - sion cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade ex po sure. Pour préevenir les chocs électriques ne pas utiliser cette fi che polariseé avec un prolongateur , un prise de courant ou une autre sorti ...
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Sunfire TGA-7400 - page 4
User's Manual 4 CHAPTER 1 Dear Friend, Thank you for purchasing a Sun fi re Theater Grand Ampli fi er . We hope you enjoy it and the music it makes as much as we have enjoyed creating it for you. The TGA-7400 can pro duce 400 watts rms per channel into 8 ohms and 800 watts rms into 4 ohms . The TGA-7200 can pro duce 200 watts rms per channel ...
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Sunfire TGA-7400 - page 5
User's Manual 5 CHAPTER 1 Theater Grand Editions The Theater Grand seven chan- nel power ampli fi er is available in two editions: • TGA-7400 • TGA-7200 The TGA-7400 has twice the power output, and uses heavier output ter- mi nals com pared to the TGA-7200. This manual uses illustrations of the TGA-7400. The operational details, features, ...
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Sunfire TGA-7400 - page 6
User's Manual 6 Installation Read and follow all safety instruc- tions shown on pages 2 and 3. Observe the fol low ing pre cau tions when choos ing a location for your Theater Grand Am pli fi er: • Protect it from prolonged ex po sure to direct sunlight and other direct sources of heat, such as heating vents and ra di a tors. • Do not exp ...
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Sunfire TGA-7400 - page 7
User's Manual 7 Front Panel Features Overview Y our Theater Grand Ampli fi er has seven chan nels of power ampli fi ca- tion combined in one chassis for the purpose of re pro duc ing music or video soundtracks. It accepts line level signals from a controlling preampli fi er and ampli fi es them to a higher level, suitable for driving power ...
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Sunfire TGA-7400 - page 8
User's Manual 8 Rear Panel Features 1. AUT O/ON/OFF Switch Y our Theater Grand Ampli fi er is designed with an automatic on/off circuit. • In the AUTO-ON po si tion, the am pli fi er 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 ampli ? ...
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Sunfire TGA-7400 - page 9
User's Manual 9 4. XLR Inputs If your pream pli fi er has XLR out puts, connect them to these XLR inputs. These balanced connections offer su pe ri or 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 ...
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Sunfire TGA-7400 - page 10
User's Manual 10 CHAPTER 2 System Con fi gurations Unbalanced Connections If your preampli fi er has RCA out- puts, it can be connected to the ampli- fi er inputs as shown. The ampli fi er will boost the preampli fi er's output, up to a level suitable for driving speakers. This diagram also shows how the V oltage Source outputs conne ...
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Sunfire TGA-7400 - page 11
User's Manual 11 Speaker-level audio outputs From: Ampli fi er outputs T o: Speaker input posts Balanced line-level audio signals From: Preampli fi er XLR outputs T o: Ampli fi er XLR inputs Sun fi re Theater Grand Processor TGP-5 12 VDC T rigger signal From: Preampli fi er trigger outputs T o: Ampli fi er trigger inputs CHAPTER 2 Balanc ...
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Sunfire TGA-7400 - page 12
User's Manual 12 CHAPTER 2 If your speakers can be biamped, the Theater Grand Ampli fi er can be con fi g ured to provide a very powerful system. A speak er which can be biamped or biwired will have two sets of bind ing posts. Some times these posts are joined with bridge clips for normal operation. Make sure that any bridge clips are remove ...
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Sunfire TGA-7400 - page 13
User's Manual 13 CHAPTER 2 M IN IM UM S PE AKER LO AD IMP E DA NCE 4 O HMS + - RIGHT TWEETER (CURRENT SOURCE) + - RIGHT WOOFER + - LEFT WOOFER + - LEFT TWEETER (CURRENT SOURCE) R L UNBALANCED PREAMP OUTPUTS LOUDSP EAKERS Note: The remaining channels can be used to drive other speakers, or left unconnected. These connections have been omitted f ...
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Sunfire TGA-7400 - page 14
User's Manual 14 CHAPTER 2 MINIM UM SPEAKE R LOAD IMPEDANCE 4 OHMS R L UNBALANCED PREAMP OUTPUTS + - RIGHT TWEETER (CURRENT SOURCE) + - LEFT WOOFER (V OL T AGE SOURCE) + - LEFT TWEETER (CURRENT SOURCE) LOUDSPEAKERS + - RIGHT WOOFER (V OL T AGE SOURCE) If your speakers can be biwired or biamped, they will have completely separate input terminal ...
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Sunfire TGA-7400 - page 15
User's Manual 15 APPENDIX S eries and Parallel s peaker con nec tions Amplifier Outputs Amplifier Outputs The con nec tion of more than one speaker per channel will tend to de grade the speaker ’s frequency response, and may make the ampli fi er run hot. For the best results use one speaker per chan nel. If you do want to con nect more than ...
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Sunfire TGA-7400 - page 16
User's Manual 16 APPENDIX The Sun fi re Ampli fi er is expertly designed and built to provide years of trouble-free per for mance. 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 pro ces sor are on and fully op er a tion al. The following informati ...
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Sunfire TGA-7400 - page 17
User's Manual 17 APPENDIX • Check that the interconnect cables to the ampli fi er do not have any broken con nec tions. Other causes of noise • Speaker noise may also be caused by in ter fer ence or noise on your AC line. Make sure there are no large ap pli anc es sharing the line, or halogen lamps or lamps with dimmer controls. • Try c ...
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Sunfire TGA-7400 - page 18
User's Manual 18 APPENDIX © 2006 Sun fi re Corporation. All rights reserved. Sun fi re Corpora- tion re serves the right to improve its products at any time. Therefore, speci fi cations are subject to change without notice. Man u al part # : 913-135-00 Rev A TGA-7400 Power output 400 watts con tin u ous, per chan- nel, into eight ohms, at ...
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Sunfire TGA-7400 - page 19
User's Manual 19 APPENDIX Limited W arranty Sun fi re Corporation is proud of its prod ucts which have been built with care using ad vanced technology and premium com po nent parts. Y our unit has been crafted to perform properly for many years. Sun fi re Corporation offers the following W arranty to you, the owner of a new Sun fi re produc ...
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Sunfire TGA-7400 - page 20
Manual part number : 913-135-00 Rev A seven Theater Grand Amplifier TGA-7400 / TGA-7400(E) and TGA-7200 / TGA-7200(E) MINIMUM SPE AKE R LO AD IMPED ANCE 4 OHMS ...
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