Instruction/ maintenance manual of the product TGA-7400 Sunfire
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Theater Grand Amplifier TGA-7400 / TGA-7400(E) and TGA-7200 / TGA-7200(E) seven.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 S.
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.
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.
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 S.
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.
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.
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.
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.
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.
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.
An important point after buying a device Sunfire TGA-7400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sunfire TGA-7400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sunfire TGA-7400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sunfire TGA-7400 you will learn all the available features of the product, as well as information on its operation. The information that you get Sunfire TGA-7400 will certainly help you make a decision on the purchase.
If you already are a holder of Sunfire TGA-7400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sunfire TGA-7400.
However, one of the most important roles played by the user manual is to help in solving problems with Sunfire TGA-7400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sunfire TGA-7400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
