SY 400SY 800
SY 1200SY 1600
SY 400VSY 800V
SY 6125SY 4200
Operation Manual
Professional Audio Amplifier
Страница 1: ...SY 400 SY 800 SY 1200 SY 1600 SY 400V SY 800V SY 6125 SY 4200 Operation Manual Professional Audio Amplifier ...
Страница 2: ...ns 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 operating your amplifier before Safety Precautions and Labelling REFER SERVICING TO QUALIFIED PERSONNEL NO USER SERVICEABLE PARTS INSIDE The user should not attempt to service the amplifier O...
Страница 3: ...ttenuators 1 Watt output indication 2 828 volts 1 dB below output clip indication Efficient front to back cooling Dual twin speed axial fans Multi role output fault indication Front carry handles Rear rack mount ears 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 a...
Страница 4: ... 4 Operation 16 5 Maintenance 18 6 Specification 20 List of Illustrations Page Figure 1 Block Diagram 5 Figure 2 Front Panel Layout SY6125 SY1200 SY4200 6 Figure 6 Speaker Connector Wiring 15 Figure 3 Rear Panel Layout SY400 SY1600 9 Figure 4 Rear Panel Layout SY6125 SY4200 SY400V 10 Figure 5 Top Lid Layout SY6125 SY4200 13 ...
Страница 5: ...vity The Synergy Series amplifiers are 2 unit 3 5 high 19 wide rack mountable units Each channel of the amplifier comprises a balanced active input with a buffered attenuator driving a differential class A drive stage which in turn drives a fan cooled classAB BJT output stage configured as an emitter follower The amplifier operates from a high current capable linear power supply These amplifiers h...
Страница 6: ... LEVEL A LEVEL B LEVEL C LEVEL D LEVEL E LEVEL F MIN MIN MIN MIN MIN MIN MAX MAX MAX MAX MAX MAX A C E B D F STATUS STATUS STATUS OVERLOAD OVERLOAD OVERLOAD POWER THERMAL FAULT SY 4200 LEVEL A LEVEL B LEVEL C LEVEL D MIN MIN MIN MIN MAX MAX MAX MAX A C B D STATUS STATUS OVERLOAD OVERLOAD POWER THERMAL FAULT Australian Monitor ...
Страница 7: ... 2 Status Indicator Synergy green red NOTE The amplifier is not damaged by running into clipping To maximise the life of your speakers try to keep clipping infrequent Clipping on the SY400V SY800V may cause speaker transformers to saturate causing the amplifier to shut down For this reason the voltage limiters should always be engaged on the SY400V SY800V see Rear Panel Limiter Switch on page 11 T...
Страница 8: ...ly going into thermal shutdown mode See the section Installation Cooling on page 14 for recommended cooling procedures This LED indicates a significant problem with the amplifier and the amplifier should be returned to an authorised technician for servicing 6 On Indicator This LED will illuminate and indicates that the amplifier is on and receiving mains power blue 7 Fault Indicator 8 Controls Con...
Страница 9: ...Australian Monitor Controls Connectors 9 Figure 3 Rear Panel Layout left to right SY400 SY1600 ...
Страница 10: ...PTY LTD SYDNEY AUSTRALIA A B C D BALANCED INPUTS SPEAKER OUTPUTS 125 W re 4 Ohms SPEAKER OUTPUTS 125 W re 4 Ohms Serial No SY 6125 CH D CH C CH B CH A CH E CH F SIGNAL INPUT WIRING Pin 1 Gnd Pin 2 ve Pin 3 ve MAINS GND GND GND PUSH TO PUSH TO BRIDGE BRIDGE BRIDGE BRIDGE 8 Ohms Min 8 Ohms Min LIFT LIFT LIFT 230 V 50 60 Hz 1350 VA F3 FUSE 6 3 Amps S B ENGINEERED BY AUDIO TELEX COMMUNICATIONS PTY LTD...
Страница 11: ...t should be slid to the rear to lift the ground The SY400V SY800V cannot be bridged A is considered the dominant channel and has both channels wired to the speaker connector See the installation section of this manual for detailed information on speaker connector wiring Your amplifier is fitted with either an internationally recognised IEC mains inlet connector SY400 SY800 SY1200 SY400V SY800V SY6...
Страница 12: ...turates it no longer acts as a transformer but rather as a thick piece of wire This appears to your amplifier as a short circuit so it will protect 14LimiterSwitch Pushing this switch in engages the clip limiter circuitry On the SY6125 SY4200 the limiter switch is located inside the amplifier and is accessed through the lid Slide the DIP switch up towards rear of amplifier to engage the limiter Th...
Страница 13: ...P 3 SW 1 CH C LP SW 2 SW 3 DIP 4 CH A CH C CH A CH C CH B CH D CH B CH D FILTER LIMITER ON BRIDGE BRIDGE ON CH A B CH C D 1 1 1 1 2 2 2 2 DIP 1 LIMITER FILTER LIMITER ON ON ON CH A CH E CH F CH D CH E CH B CH C CH B DIP 4 DIP 3 DIP 2 Figure 5 Top Lid Layout top to bottom SY4200 SY6125 15 15 ...
Страница 14: ... airflow into and out from the amplifier must be provided 0 0 fans to evacuate the heated air and aid the flow of cool air through the unit 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 The input to your amplifier is a balanced 3 pin configuration and requires all three pins to be connected Only high qual...
Страница 15: ...ctor carries the Channel B output only This arrangement allows you the option of positive negative red When bridging B C hen bridging D E channel E provides the positive output and channel D provides the negative output to the load For the SY4200 When bridgingA B channelAprovides the positive output and channel B provides the negative output to the load When bridging C D channel C provides the pos...
Страница 16: ...n Powering Up amplifier goes through an initialising period before it will accept signal The Inrush Current Suppression 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 amplifier and the signal path is connecte...
Страница 17: ...ppears 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 Hum Problems Electrostatic Electromagnetic Earth loops Ensure the 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 earth circuit Ensure all equipment within the syst...
Страница 18: ...ciency The time taken for this to happen will depend on the environment and the amount of use Fans The 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 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...
Страница 19: ...Australian Monitor 19 ...
Страница 20: ...Rated Power into 4 ohm 3dB SY400 OutputPower VoltageGain OutputImpedance Dampingfactor Slewrate Per Channel 240W 15 Hz 80 kHz H W D 87 x 482x400 mm Shipping Weight 12 Kg 575 VA Frequencyresponse Dimensions InputPower Model 4 ohms 0 1 THD Single channel driven 430 Both channels driven 375W 2 ohm loads not recommended Bridge mode 8 ohm load 750W 4 ohm bridging not recommended 38 7 1kHz 0 019 ohms 1k...
Страница 21: ...re 8 ohms 450 1 41 V µs 1KHz Rated Power into 4 ohms 3dB SY1200 OutputPower VoltageGain OutputImpedance Dampingfactor Slewrate Per Channel W 15 Hz 75 kHz H W D 87 x 482x450 mm Shipping Weight 17 Kg Frequencyresponse Dimensions InputPower 1650 VA Model 4 ohms 0 1 THD Single channel driven 920 Both channels driven 800W 2 ohm loads not recommended Bridge mode 8 ohm load 1600W 4 ohm bridging not recom...
Страница 22: ...edance Dampingfactor Slewrate Per Channel W 15 Hz 80 kHz H W D 87 x 482x450 mm Shipping Weight 17 Kg Frequencyresponse Dimensions Model 4 ohms 0 1 THD Single channel driven 210 All channels driven 4 x 200W Bridge mode 8 ohm load 2 x 400W 4 ohm load 2 x 600W 28 3 1kHz 0 020 ohms 1kH re 8 400 1 40 V µs 1KHz Rated Power into 4 ohms 3dB SY4200 OutputPower VoltageGain OutputImpedance Dampingfactor Slew...
Страница 23: ...n Per Channel 240W Not available 50 Hz 30 kHz H W D 87 x 482x400 mm Shipping Weight 18 Kg Frequencyresponse Dimensions Model 25 ohms 0 1 THD Single channel driven 430 Both channels driven 375W Bridge mode 100 1KHz Rated Power into 25 ohm 3dB SY800V OutputPower VoltageGain Per Channel W Not available 50 Hz 30 kHz H W D 87 x 482x400 mm Shipping Weight 22 Kg Frequencyresponse Dimensions ...
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