SY 400SY 800
SY 1200SY 1600
Operation Manual
Professional Audio Amplifier
Page 1: ...SY 400 SY 800 SY 1200 SY 1600 Operation Manual Professional Audio Amplifier ...
Page 2: ...eration manual contains important information regarding safety precautions installation performance operation and maintenance of your Synergy Series power amplifier You should familiarize yourself with the contents of this manual before operating your amplifier Safety Precautions and Labelling CAUTION RISK OF ELECTRICAL SHOCK DO NOT OPEN WARNING DO NOT EXPOSE TO EITHER RAIN OR MOISTURE REFER SERVI...
Page 3: ...lip indication Efficient front to back cooling Dual twin speed axial fans Multi role output fault indication Front carry handles Rear rack mount ears Plug in signal modifiers optional Signal ground lift switch Built in limiter circuit High quality close tolerance components throughout Protection Features Suppression of inrush current at mains turn on Input muting at turn on Input overvoltage prote...
Page 4: ... 6 2 1 Front Panel 7 2 2 Rear Panel 9 3 Installation 10 4 Operation 12 5 Maintenance 14 6 Warranty 15 7 Specification 16 List of Illustrations Page Figure 1 Block Diagram 5 Figure 2 Front Panel Layout 6 Figure 3 Rear Panel Layout 8 Figure 4 Speaker Connector Wiring 11 ...
Page 5: ...ngevity The Synergy Series amplifiers are 2 unit 3 5 tall 19 wide rack mountable units Each channel of the amplifier comprises a balanced active input with a buffered attenuator driving a differential class Adrive stage which in turn drives a fan cooled class AB BJT output stage configured as an emmiter follower The unit operates from a high current capable linear power supply These units have bee...
Page 6: ...2 Controls Connectors Indicators Figure 2 Front Panel Layout 6 Controls Connectors ...
Page 7: ...condition exists Overload conditions can occur under extreme operating conditions such as complex or very low loads over driving the amplifier It should be noted that the minimum load for the amplifier is 4 ohms per channel 8 ohm bridged If an overload occurs the amplifier will shut down and mute both outputs If the overload is only transitory then the amplifier will resume normal operation after ...
Page 8: ...Figure 3 Rear Panel Layout 8 Controls Connectors ...
Page 9: ... connected mains lead SY1600 Please ensure that the connecting mains lead for use with the IEC connector is of an approved type and is of sufficient current carrying ability NOTE Your unit must always be earthed 12 Mains Fuse or Circuit Breaker Either a 20mm x 5mm fuse drawer is provided within the housing of the IEC mains connector SY400 SY800 SY1200 or the amplifier is fitted with a resettable c...
Page 10: ...a cooling fans to evacuate the heated air and aid the flow of cool air through the unit Input Wiring IMPORTANT Do not directly connect pin 1 on the amplifier s input or strapping XLR to the amplifier s chassis speaker ground or power ground NOTE Input signal ground is not to be used as a safety ground earth The input to your amplifier is a balanced 3 pin system and requires all three pins to be co...
Page 11: ...h channels can be fed from a single connector Two speaker connectors are provided on the amplifier The Channel A speaker connector actually carries both channel A channel B outputs see Figure 4 Speaker Connector Wiring Diagrams The Channel B speaker connector carries the Channel B output only This arrangement allows you the option of connecting to the outputs separately or together Connecting thro...
Page 12: ... on When you power up your Synergy Series your amplifier goes through an establishment period before it will accept signal The Inrush Current Supression ICS circuit is in operation for the first 0 5 seconds This limits the mains current to prevent nuisance tripping of circuit breakers During this period you will hear a couple of relays click indicating mains is now directly applied to the amplifie...
Page 13: ...e to the wire s resistance This voltage difference between the amp earth and source equipment earth appears to the amplifier s input as a signal and is amplified as hum There are three things you can do to avoid earth loop problems Ensure your mains power for the audio system is quiet i e without equipment on it such as air conditioning refrigeration or lighting which may generate noise in the ear...
Page 14: ...fan blades are accessible once the lids are removed and can be easily cleaned You need only hold the fan rotor still and wipe the dust off the blades Many users stall the fan and use compressed air to blow the dust off the fan blades It is important to note that the fan blades must be held still whilst blowing air over the blades otherwise you may burn out the bearings in the fan Fuses Along with ...
Page 15: ...er fails to take reasonable care in use and maintenance of the amplifier To validate this warranty the original purchaser must complete and mail the warranty registration card directly to Australian Monitor within fourteen 14 days of purchase To obtain warranty service the equipment should be shipped to an authorised Australian Monitor dealer or direct to Australian Monitor Freight to Australian M...
Page 16: ...ance 1kHz 0 021ohms Damping factor 1kH re 8 ohms 375 1 Slew rate 40 V µs Frequencyresponse 15 Hz 80 kHz 1KHz Rated Power into 4 ohm 3dB Dimensions H W D 87 x 482x400 mm Shipping Weight 12 Kg Input Power 575 VA Model SY800 Output Power Per Channel 4 ohms 0 1 THD Single channel driven 430W Both channels driven 375W 2 ohm loads not recommended Bridge mode 8 ohm load 750W 4 ohm bridging not recommende...
Page 17: ...ed Voltage Gain 49 0 Output Impedance 1kHz 0 018 ohms Damping factor 1kH re 8 ohms 450 1 Slew rate 41 V µs Frequencyresponse 15 Hz 75 kHz 1KHz Rated Power into 4 ohms 3dB Dimensions H W D 87 x 482x450 mm Shipping Weight 17 Kg InputPower 1650 VA Model SY1600 Output Power Per Channel 4 ohms 0 1 THD Single channel driven 920W Both channels driven 800W 2 ohm loads not recommended Bridge mode 8 ohm loa...
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