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Symphonic
Reference
Load Invariant High Fidelity
Stereo Power Amplifier
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SAFETY Safety 8. Power Sources The Com po nent 13. Damage Re quir ing Service In struc tions should be con nect ed to a power sup- The Com po nent should be serviced ply only of the type de scribed in these only by qualiÞ ed service per son nel 1. Read In struc tions - All the safe ty op er a tion in struc tions or as marked on when: and op er a tion instructions should be the Com po nent. A. The power-supply cord or the plug read before the SunÞ re Com po nent is 9. Power Cord Pro
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SAFETY 15. To prevent electric shock, do not 16. Grounding or Po lari za tion ATTENTION Le présent appar- use this polarized plug with an ex ten - Pre cau tions should be taken so that eil numérique n'émet pas de bruits sion cord, receptacle or other outlet the grounding or polarization means radioélectriques dépassant las limites unless the blades can be fully inserted of the Com po nent is not defeated. applicables aux appareils numériques to prevent blade ex po sure. d
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CHAPTER 1 Introduction Features Unpacking Your SunÞ re AmpliÞ er should Two channel Power AmpliÞ er in reach you in perfect con di tion. If a 17 wide chassis you do notice any shipping damage, 250 watts per channel into 8 please contact your SunÞ re Dealer ohms immediately. 500 watts per channel into 4 Gently lift out the unit and remove ohms all the packing material and ac ces - so ries. It is im por tant to save all the Outrageously low -115 dB packing ma te ri als
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CHAPTER 1 Overview Your SunÞ re Symphonic Refer- ence AmpliÞ er is actually two high- powered ampliÞ ers combined in a 17 inch wide chassis. It accepts line-level signals from a controlling preampliÞ er, and ampliÞ es them to a higher speaker-level, suitable for driving powerful stereo and Home Theater speak ers. Rear Panel Features 1 2 In the ALWAYS-ON (up) posi- 1. AUTO/ON/OFF Switch The SunÞ re Symphonic Refer- tion, the ampliÞ er is always on, ence PreampliÞ er has a com pat i b
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CHAPTER 1 Rear Panel Features continued 3 4 3 4 5 5 6 7 3. RCA Unbalanced Inputs 4. XLR Balanced Inputs 6. IEC Connector Your SunÞ re AmpliÞ er has three The ampliÞ er comes with a If your pream pli Þ er has XLR out- sets of inputs for each channel. Two detachable Linecord which attaches puts, connect them to the XLR inputs. are un bal anced RCA in puts and one here. Make sure it is Þ rmly pushed in The female XLR inputs are wired is a bal anced XLR type. place. Connect the other e
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CHAPTER 1 Installation Read and follow all safety instruc- Connection Tips 12 VDC Trigger tions shown on pages 2 and 3. Before setting up your new sys- If you have a Symphonic Refer- Observe the following precautions tem, please consider the following : ence PreampliÞ er, it has a Trigger when choosing a location for your terminal which supplies 12 VDC Always make sure that your ampliÞ er: whenever the preampliÞ er is turned com po nents are all turned on. This voltage can be used to turn
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RIGHT EFT R SPEAKER + - + - L SPEAKE CHAPTER 2 System ConÞ gurations The following diagrams show some typical con nec tions that you might make in your in stal la tion. They show how the inputs and outputs of the SunÞ re AmpliÞ er are con nected to your pream pli Þ er and speak ers. Connections to the SunÞ re Symphonic Reference PreampliÞ er Line-level audio signals From: PreampliÞ er main outputs To: AmpliÞ er line-level inputs 12 VDC Trigger voltage From: Preamp
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IGHT EFT R SPEAKER PREAMPLIFIER BALANCED OUTPUTS RIGHT LEFT + - + - R L SPEAKE CHAPTER 2 Balanced Connections Balanced line-level audio signals From: PreampliÞ er XLR outputs To: AmpliÞ er XLR inputs If your preampliÞ er has XLR bal- anced outputs, it can be connected to the ampliÞ er's XLR inputs as shown. Speaker-level audio outputs From: AmpliÞ er outputs To: Speaker input posts 9 User's Manual
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HIGH LOW LEFT RIGHT LOW HIGH INPUT L OUTPUTS INPUT R OUTPUTS HIGH LOW TO SECOND AMPLIFIER + - + - RIGHT RIGHT WOOFER TWEETER ACTIVE EXTERNAL CROSSOVER RIGHT LEFT PREAMPLIFIER BALANCED OUTPUTS CHAPTER 2 Biamping connections True biamping is very efÞ cient speaker's crossover point. Check If your speakers can be biamped, because each ampliÞ er channel only the speaker owner's manual for this they will have separate input posts for receives and ampliÞ es the range speciÞ cation. the woofer an
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APPENDIX Series and Parallel speaker con nec tions The con nec tion of more than Parallel one speaker per channel will tend Ideally, the total average For example, if you want to paral- to de grade the speakers frequency impedance should be no less lel-connect two speak ers to the front response, and may make the ampliÞ er than 2 ohms per channel. right chan nel of the ampliÞ er: run hot. For the best results use one speaker per chan nel. You must make sure that the lower im
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APPENDIX Troubleshooting Guide The SunÞ re AmpliÞ er is expertly If you have connected speakers Disconnect any component designed and built to provide years of in Par al lel, the overall impedance which has a grounded power trouble-free per for mance. Most prob- may be too low. It is recommended cord. lems that occur can usually be solved that you rearrange the speakers If the hum persists, disconnect by checking your setup or making in Series to increase the overall all the sou
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APPENDIX Try moving your components further away from the TV, espe - cial ly if you ever notice the screen has changed color in the area closest to the compo- nent. If you have very high efÞ ciency speak ers, these may show up noise which other speakers may not. Poor bass performance Make sure that your preamp does not have the bass level turned down. Many surround preampliÞ ers have con trols which can direct all the bass to sub woof ers, or let your main speaker
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APPENDIX SpeciÞ cations Power output Power Consumption 250 watts con tin u ous, per channel, 45 W at idle all channels driven into eight ohms, 200 W typical (1/8th power) from 20 Hz to 20 kHz with no more 1800 W absolute maximum than 0.5% T.H.D. (fuse limit) Power at clipping, Dimensions minimum: 17.0 inches wide 5.75 inch es high (with feet) 500 watts per chan nel into four 16.5
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APPENDIX Limited Warranty Service Assistance SunÞ re Corporation is proud of its SunÞ re Corporations liability is We suggest that you read the Limited prod ucts which have been built with limited to the repair or replacement, War ran ty completely to fully un der - care using ad vanced technology and at our option, of any defective prod- stand your Warranty/Service cover- premium com po nent parts. Your unit uct and shall not in any event include age. has been crafted to perform properly prop
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Symphonic Reference Load Invariant High Fidelity Stereo Power Amplifier Manual part number : 913-047-00 Rev A
