PS_amps_manual - Peecker Sound
Contents
1.2. 4 1 Damage to speakers Check the peak power and continuous power of the amplifiers at all times These amplifiers extremely powerful and may be potentially dangerous to both speakers and human beings Most loudspeaker systems may be easily damaged or broken often if they are driven by bridged amplifiers Although the gain may be attenuated by using the controls on the front panel of the amplifier the maximum power output can still be reached if the input signal is sufficiently high 4 2 Dangerous output voltage Amplifiers can generate dangerous output voltage Do not touch any exposed speaker cables while the amplifier is operating 4 3 Radio interferences A sample of this product has been tested and approved in compliance with the limits set out by the Electromagnetic Compatibility Directive EMC These limits have been determined in order to provide reasonable protection from dangerous interferences caused by electrical appliances Should this product not be installed or used in compliance with the instructions as set out in this manual it might interfere with other appliances such as radio receivers for example There is no guarantee however that interferences will not occur in a particular installation Should the device interfere with two way radios switching the device on and off will allow you to check whether this is the case you should try to eliminate the interference by adopting one of the following
3. Repair or replacement of the product and its return to the customer are the only services provided to the customer Peecker Sound shall not be held liable to pay incidental or consequential damages including without limitation injury to persons or property or loss of use Costs paid by Peecker Sound Peecker Sound will pay for all labour and material expenses necessary for the repairs covered by the warranty Make sure you keep the original packaging otherwise the cost of replacing will be charged to you if necessary Produce the original invoice to establish the date of purchase Do not send the product to the factory without prior authorization Should shipment of the product be a problem please contact the service centre who will deal with it promptly Otherwise the customer is responsible for shipment and handling of the product to be repaired and payment of all shipping costs Limitation of implicit warranties All implicit warranties including guarantee of merchantability and suitability to specific purposes are limited to the duration of the present warranty With the exception of certain types of damage Peecker Sound liability is limited to repairing or replacing at its discretion any defective products with no obligation of compensation for any kind of incidental or consequential damages In case of any controversy the court of jurisdiction will be exclusively the Court of Reggio Emilia RE Italy 4 USER LIABILITY
4. second arises from detailed knowledge of failure modes and is used to determine precisely the amplifier correct operating conditions as well as the corresponding checking operations This procedure is also available to the final customer in the form of checking procedure for the amplifier correct electro mechanical operation as provided below Note Before removing any module or connector remember to disconnect the amplifier from the mains and take care when handling power supply capacitors as they might be under load To prevent short circuits during testing the oscilloscope must be earth insulated Do not test the amplifier while the speakers or cones are output connected use the appropriate dummy loads only When increasing the output voltage of the variable voltage transformer Variac never exceed the amplifier nominal output value plus its tolerance since higher voltage levels might seriously damage the amplifier 9 1Reuuired equipment List of testing equipment e Digital multimeter AC millivoltmeter Dual trace oscilloscope e Audio signal generator 15A 250V Two 4 Q 1800W dummy loads e Two 8 1100W dummy loads Audio Precision AP analyser e Vibrating table for mechanical testing e Withstanding voltage tester 9 2 Visual check Check that the product is correctly assembled and verify whether there are any incorrectly mounted or damaged parts open connections or short circuits CONTR
5. EN55103 2 Immunity EN60065 Class Safety or om 2 in o oO bu e 20 3 WARRANTY Peecker Sound products are guaranteed against malfunction due to defective materials or workmanship for a specified period of time starting from the date of original purchase Should a malfunction occur during the warranty period the product will be repaired or replaced at the manufacturer s discretion free of charge The shipping costs and related risks and any loss during shipment to authorized service centres are the responsibility of the customer The product will be returned to the customer with a carriage forward shipment Warranty terms The warranty covers the appliance under its initial purchase in compliance with the laws in force The warranty is valid for 3 years starting from the date of receipt of the product Peecker Sound reserves the right in certain cases to decide to replace the appliance with another identical or similar product The warranty is not extended following a product failure The warranty does not cover any incidental or consequential damages without limitation caused to persons or property during any period of inefficiency of the appliance Exclusions and limitations The warranty does not apply to any damage to exterior finishings or surfaces aesthetic elements or electric electronic parts resulting from negligent use of the product malfunction resulting from incorrect or improper use o
6. To adjust the volume of individual channels turn the corresponding knobs i e ChA ChB for PS1000 PS1400 PS2000 PS2600 and P53400 and ChA ChB ChC ChD for PS650 F With audio systems it is always better to switch off the amplifier first Remember to switch off the amplifier before connecting or disconnecting it to other units and always switch on the mixer first and then the amplifier in order to avoid peaks that could cause disturbances and may damage the speakers Figure13 Stereo Mode PS2000 PS2600 PS3400 CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peecker sound Using in mono bridge mode To activate the mono bridge mode set the switches on the rear panel on the Bridge position This configuration is only available PS650 F PS1000 and PS1400 models Using in mono bridge mode requires both amplifier channels A and B C and D to operate with the same input signal but with inverted phases Power values can be found in the technical specifications table at the end of this manual To use the PS650 F model in mono bridge mode the input signal necessarily has to be connected to Ch A for bridging between Ch A and Ch B and to Ch C for bridging between Ch C and Ch D The corresponding volume is adjusted using the potentiometers of Ch A and Ch C Make sure that the level attenuators are in the same position In the case of PS1000 the input signal necessarily has to be connected to Ch A and the
7. 0 5V e P51000 AC voltage values in the secondary should be 56V 0 56V GRN BLK BLU B DC voltage on the amplifier module should be 77 V C Fans power supply voltage 24 V e 51400 A AC voltage values in the secondary coil should be 65V 0 65V GRN BLK GRN 19V 0 19V BLU BLK BLU 17V 0 17V YEL BLK YEL 0 WHI WHI B DC voltage on the amplifier module should be 88 V C Fans power supply voltage 24 V PS2000 PS2600 PS3400 A AC voltage values in the secondary coil should be 56V 0 56V PS3400 50V 0 50V PS2600 45V 0 45V PS2000 All models must have the following AC output voltage values 1 9V 0 19V 17 0 17V 0 10V B DC voltage on the amplifier modules should be 78 V PS3400 68 V PS2600 61 V PS2000 tolerance 1 V C Protection circuits power supply voltage 24V tolerance 2 V D Fans power supply voltage 24 V E Power supply voltage in the pre amplifier module 12 V tolerance lt 0 5 V 5 Check that the background noise in both channels is below 1 mV 58 dBu and that there is no signal after switching off the unit Use the oscilloscope to perform this test connecting a speaker for a sound check if necessary 5 a Only applicable to PS2000 PS2600 PS3400 Measure the voltage on collectors for Q104 Q103 Q204 and Q203 and check that it is 1 2 V If necessary adjust the 1 trimme
8. 1 kHz 1 THD both ch s driven 230 VAC Net Weight Frequency Response SNR Distortion THD N Level adjustment per channel Input Impedance Input Sensitivity Crosstalk Phase Response Damping Factor Input Connectors per channel Output Connectors per channel Controls Led Indicators Amplifier Protections Load Protections Circuitry Cooling Power Requirements Dimensions WxHxD Approvals CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound 280 W 450 W 650 W 850 W 1000 W 300 W 450 W 700 W 1000 W 1300 W 1700 W 650 W 880 W 1300 W 1200 W 14 kg 22 kg 32 kg 32 kg 33 kg 30 kg 20 Hz 20 kHz 0 5 dB 100 dB 0 196 1 kHz oo 0 dB 30 kO electronically balanced 0 dBu gt 50 dB 18 20 Hz 25 20 kHz gt 200 8 8 Q 1 kHz 3 pin Cannon XLR Neutrik speakON screw terminals except for PS650 F Front power switch ChA ChB PS650 F ChC ChD gain potentiometers Rear mode limit or ground lift switches Temperature Protect Clip Signal PS 1400 PS650 F Bridge overload full short circuit thermal ultrasonic and radio frequency immunity soft start soft clip limiter DC fault Class AB front to rear air flow fan speed in function of temperature 230 VAC 10 50 60 Hz 483 19 x 132 3 RU x 487 mm PS100 483 197 x 88 2RU x 388 mm CE EN55103 1 Emissions CE EN55103 2 Immunity CE EN6065 Class Safety peecker sound
9. F 6 A with an 8 load 10 A with a 4 O load e P51000 6 A with an 8 load 10 A with a 4 O load e P51400 7 A with an 8 load 13 A with a 4 O load e P52000 9 A with an 8 load 15 A with a 4 O load P52600 10 A with an 8 Q load 18 A with a 4 load e P53400 11 A with an 8 load 20 5 A with a 4 O load 15 Output protection test short circuit the output with 0 O and check that the protection system activates the relays should disconnect the load 16 Adjust the mains power supply voltage using the Variac from 205 V to 255V and check that the amplifier is operating correctly 17 Check that the THD 1kHz is less than or equal to 0 0896 with an 80 load 18 Test for vibrations and correct amplifier operation using the vibrating table for mechanical tests e Vibration frequency 5 60 Hz e Direction vertical horizontal lest duration 180 seconds e Check that there is no output signal after the vibration test has been performed 19 Burn in test e Using a Pink Noise generator set the input signal so as to obtain 1 8 of nominal output power 40 e Check that the Clip LEDs light up occasionally though not too repeatedly After 4 hours of testing check general operating functions peecker sound ene FQ QOQ T O O D D 00000 999000 ea88 86 88 888 8 8 8 10 TECHNICAL SPECIFICATIONS PS2000 Power Output per channel 80 40 Bridged Mono Power 80 EIA
10. allows the amplification level of each channel to be adjusted level attenuators must be in the same position We recommend setting them on the 0 position Note when using in bridged mode only applicable to PS650 F PS1000 PS1400 amplifiers the various 2 TEMP When the temperature LED lights up the channel gets deactivated as a protection measure against overheating The fan will continue to operate so as to bring the temperature down as quickly as possible A this situation normally occurs when there is inadequate ventilation Check the amplifier installation carefully 3 PROTECT This protection LED lights up when the load connected is below 1 or the amplifier output has been short circuited 4 a CLIP LED indicator for input signal clip point 4 b SIGNAL LED indicator for signal presence 5 a SIG CLIP Dual mode LED indicator for both signal presence green and signal clip point red 5 b BRIDGE LED indicator for amplifier operating in bridged mode 6 POWER On Off switch 7 Ventilation grille for correct amplifier ventilation 8 19 rack installation holes CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peecker sound eu 9 X 01010100 eee I 010101010 JO a 292 DDA ACOUSTIC RESEARCH 15 14 o z 4 nc o Figure 5 PS1000 rear panel Figure 6 PS1400 rear panel Figure 8
11. corresponding volume is thus adjusted using the potentiometer of Ch A The input signal for PS1400 on the other hand must necessarily be connected to Ch A and the corresponding volume is thus adjusted by the potentiometer of Ch A To connect the input signal use the Cannon XLR connectors on the rear panel speakers must be connected to the Neutrik SpeakOn output connectors Note when using in bridge mode do not connect loads under 8 M 101010101000000 000000 OOOO Ay QOOUQDOQU00OT oe T3 O O tt O O O CE OO 01010 81000 OO000000000000000000000000 QOQOQOO00000000000000000000 O0000000000000000000000000 Figure 16 Bridge Mode PS 1400 Parallel inputs Parallel mode is activated using the dedicated switches on the rear panel When operating in parallel mode the inputs of both channels are connected and receive the same signal This function is only available in models PS1000 and PS1400 To connect the input signal use Cannon XLR connectors The loudspeaker systems must be connected to the Neutrik SpeakOn output connectors Make sure that only the inputs are connected in parallel Never earth positive output terminals or connect them in parallel z i q OOOO06000000000000 000000000 Figure 18 Parallel Mode PS1400 CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peeck
12. measures A Increase the distance between the appliance and the receiver B Connect the appliance to a socket positioned on a circuit different from which the receiver is connected to C Re position or move the aerial of the receiver Check that the unit complies with the EMC immunity limits it must carry the CE mark All electrical appliances sold in the EU must be approved for immunity to electromagnetic fields high voltage and radio interferences Seek professional assistance 9 INTRODUCTION Congratulations on your choice of a Peecker Sound Professional Series power amplifier and thank you for your confidence in us and our products Your amplifier has been carefully engineered down to the smallest detail from component selection to final assembly All Peecker Sound products aim for full customer satisfaction and you can rest assured that the product you have chosen uses cutting edge technology The amplifiers have been designed in the Sound Corporation Design and Research amp Development R amp D departments paying particular attention to the choice of materials safety devices and electronic design for the manufacture of a safe reliable and long lasting product Since inappropriate use of the product can jeopardize its correct operating performance please ensure that you use it carefully and correctly Please read this manual carefully all the information it contains is vitally important for using your appliance saf
13. 1 2 Cooling Pay particular attention to the ventilation cooling conditions of the amplifiers An internal system of forced airflow by means of a variable speed fan allows the heat sinks to cool down from the heat generated by power parts The air flows from the front panel of the amplifier to its rear panel so that the air is drawn in from the front opening and let out through the back opening Ensure that there is sufficient space in front of the appliance to allow adequate inflow and outflow of air With rack installation make sure there are sufficient openings for air to flow freely through the amplifier 1 3 Connection cables To connect the amplifier to the speakers always use suitable cables to avoid amplifier power dispersion due to inadequate cable section When connecting the amplifier to the mixer only use shielded cables and not electric power cables The main inputs and outputs are connected using Cannon XLR and Neutrik SpeakOn connectors 1 4 Configurations Female Male TM 14 POS CH1 CH3 QOO0000000000000000000000000 0000000000000000000000000 0000000000000000 Ne ee eee eee eee ee eee Rim NEG CH1 CH3 2 POS CH2 CH4 NEG CH2 CH4 Front Rear Figure 9 Cannon XLR and Neutrik SpeakOn connectors Make sure the unit is switched off before configuring according to your requirements To turn on the unit use the ON OFF switch located on the right of the front panel
14. OLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peecker sound 9 3 Electrical testing procedures 1 Use the withstanding voltage tester to test the amplifier turn off the amplifier set the voltage testing level at 1500 V and the test time at 60 seconds If the leakage current does not go above 5 mA the test has been successful Check the whole unit thoroughly for any short circuits using the multimeter Verify that the voltage supply and earthing are correct and that the power supply cable is undamaged After the amplifier has been turned on once make sure there are no short circuits Using the Variac set the power supply in the primary coil of the transformer at 230 V This voltage value has to be monitored and adjusted in order to be kept constant throughout the duration of the test Turn the amplifier on and off six times to check whether the power switch works correctly the relays are activated with a certain amount of delay and both protection LEDs are flashing 4 Check that the voltages in the power supply module are as follows e PS650 F A AC voltage values in the secondary coil should be 65V 0 65V 20V 0 20V 17V 0 17V 0 10V B DC voltage on the amplifier modules should be 89 V tolerance 1 C Protection circuits power supply voltage 24 V tolerance 2 V D Fans power supply voltage 24V tolerance 2 V E Power supply voltage in the pre amplifier module 12 V tolerance lt
15. PS650 F Rear panel 13 CONTROLLED RADIATION POWER INPUT Figure 7 PS2000 PS2600 PS3400 rear panel o z a x a o Limiter control switch LIMIT ON soft clip limiter enabled LIMIT OFF disabled Power Input IEC 3 pin power supply connector POWER INPUT A 230 10 X0Hz 60Hz Earth Ground lift that allows connection disconnection of electrical earth to from mechanical earth Operating mode switch Operating mode selection switch mono stereo parallel or bridge Ventilation grille Outputs CHA OUT CHB OUT Neutrik SpeakOn output connectors for each channel Bridge CHA CHB CHC CHD outputs with Neutrik SpeakON connectors for bridge mode Inputs CHA IN CHB IN Cannon XLR inputs for each channel Limit 9 10 11 12 13 14 T eo e m m 3 4 Rear panels peecker sound E w 2 2 09 0 0908 909000 000 0000009000 70 00 0009 0 AOL yal 6 BRIEF DESCRIPTION OF THE SERIES Professional Series amplifiers are available in six models r e differentiated according to power ratings and number of channels PS1000 PS1400 PS2000 PS2600 and PS3400 models are two E channel amplifiers capable of delivering from 450 W up 1700 channel onto 4 PS650 F model by contrast has four 650 W channels also onto 4 All Professional Series amplifier
16. cicli forsee Deere P IITAE her somd diese wd al Fazer LIE 1 peecher saml iria j origi Paie prii lrt xum ei rri Ead LL CONTROLLED RADIATION ACOUSTIC RESEARCH GE e mm D T D am OP O O OQO OA e O E Qe B T TABLE OF CONTENTS 1 IMPORTANT SAFETY INSTRUCTIONS 2 DECLARATION OF CONFORMITY 3 WARRANTY 4 USER LIABILITY 4 1 Damage to speakers 4 2 Dangerous output voltage 4 3 Radio interferences 5 INTRODUCTION 51 Unpacking 5 2 Installation 5 3 Front panels 5 4 Rear panels 6 BRIEF DESCRIPTION OF THE SERIES 7 OPERATING INSTRUCTIONS 7 1 Connection to the AC mains supply and power absorption 7 2 Cooling 7 3 Connection cables 7 4 Configurations 8 PROTECTION SYSTEM FEATURES 8 1 Limiter 8 2 Thermal protection 8 3 Load safety control 8 4 DC protection 8 5 Power on off transients 9 TESTING PROCEDURE FOR ELECTRO MECHANICAL OPERATION 9 1 Required equipment 9 2 Visual check 9 3 Electrical testing procedures 10 TECHNICAL SPECIFICATIONS ABS ea0868 88 888 8 8 8 EN CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peecker sound 1 IMPORTANT SAFETY INSTRUCTIONS Te wN O WU M 18 i 20 This symbol indicates key operating instructions and information requiring particular attention for correct use of the product This symb
17. ely 9 1 Unpacking Inspect the packaging and its contents immediately to check whether there are any signs of damage After unpacking inspect the product and any accessories Should you notice any damage inform your dealer immediately Please keep all the packaging materials which will be useful for returning the product to Peecker Sound or sending it to one of our authorized Service Centres if the product does not arrive in perfect condition Use exclusively the original packaging as it is the best way to protect the appliance from mishandling by the carrier Please take care of the environment Once the appliance has become obsolete please dispose of it in the appropriate recycling container 9 2 Installation All Peecker Sound Professional Series models can be installed in standard 19 rack units as shown in Fig 2 There are four installation holes on the front panel for optimal securing of the appliance an important factor in mobile systems peecker sound Professional Series PS1000 483 mm Figure 1 PS amplifier dimensions Figure 2 Flight case for pro amplifiers CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound peecker sound 080800000000001 0909 Be o cker sound pce 1 Professional Series PS1000 1 8 Figure 3 51000 PS1400 52000 52600 PS3400 Front panel Figure 4 PS650 F front panel 1 CHA CHB CHC CHD Precision input level controls that
18. er sound un es es VOUS 0000 E ABS e88 88 6 88 888 8 8 8 C O O D ope O O Sam Azar 2G Ze E 8 PROTECTION SYSTEM FEATURES All Peecker Sound Professional Series amplifiers are equipped with powerful systems to protect the amplifier and its load Protection systems are designed to ensure that power amplifiers have a long operating life 8 1 Limiter When the CLIP LED lights up the limiter is active In this case the channel gain will be reduced automatically to protect the load acoustic speakers from damage caused by a distorted signal The limiter circuit cannot be deactivated except for the 51000 amplifier 8 2 Thermal protection The temperature level of the heat sink is constantly monitored as indicated by the TEMP LED When the heat sink temperature goes above 60 C the cooling fan switches on while at 90 C anomalous operating condition the TEMP LED lights up and the whole system goes into mute mode until the temperature returns to normal levels 8 3 Load safety control The state of the input signal in Peecker Sound amplifiers is constantly monitored Should the power load exceed the maximum allowable level the output voltage will be automatically readjusted so that the amplifier can operate safely Should the connected load impedance be significantly below recommended levels the amplifier output phase will be inhibited 8 4 DC Protection The presence of a DC voltage is moni
19. f the product or from transport without due care malfunction resulting from repairs carried out by unauthorized persons or service centres malfunction due to circumstances that cannot be ascribed to manufacturing defects of the appliance plastic or glass parts bulbs and the like as well as all that can be regarded as normal wear and tear As regards circuit components transistors diodes etc the general terms set by the original manufacturers apply The following are also not covered by the warranty damage caused by accidents product modifications negligence or incorrect connection damage that occurred during transport damage resulting from failure to comply with the instructions contained in the user s manual e claims based on misrepresentations by the seller and any product whose serial number has been rubbed off modified or removed Receiving warranty service To receive repair or replacement of the product under warranty the customer must deliver the product in its original packaging carriage paid to an authorized Peecker Sound service centre together with the relevant proof of purchase i e bill of sale receipt or invoice The warranty service and list of authorized service centres is available at the address below Peecker Sound After Sales Service Via Monti Urali 29 42100 Reggio Emilia Italy Tel 39 0522 557735 Fax 39 0522 391268 E mail info peeckersound com peecker sound
20. igher than that indicated in the manual Do not connect the amplifier output to the input of another channel Do not connect the amplifier output to any other power source such as batteries power supply unit or mains outlets regardless of whether the amplifier is switched on or off Clean with a dry cloth only The product must be handled by qualified technicians when e the power cable or the plug is damaged e the product has been exposed to rain or humidity e liquid has got inside the unit an object has fallen on the unit the unit has fallen and is damaged e the appliance seems to be malfunctioning or is showing a marked change in performance Careful supervision is required if the product is used in the presence of children or by unskilled adults 21 This appliance may produce sound pressure levels damaging to the hearing Take the utmost care and do not use the product for long periods of time at high or uncomfortable volume levels Should you experience any hearing loss or buzzing in your ears consult an audiometric specialist CONTROLLED RADIATION ACOUSTIC RESEARCH j peecker sound 2 DECLARATION OF CONFORMITY This device complies with the requirements of the European Electromagnetic Compatibility Directive 89 336 EEC and relevant 92 31 EEC amendment as well as the requirements of the Low Voltage Directive 72 23 EEC and relevant 93 68 EE amendment Regulations applied EN55103 1 Emissions
21. ol warns of dangerous voltage and the consequent risk of electric shock Take extra care and proceed with caution Read carefully all the attached product documentation and keep for further reference Heed the warnings Keep the packaging and check that all the material is in perfect condition Do not use the product in the vicinity of water or pour water or any other liquid on the amplifier Take care not to use it with wet hands or with your feet in water Do not use near sources of heat such as radiators stoves or other heat producing appliances Check that the power cable is intact and undamaged Do not tread on the cable and take care not to put any pressure on the plug Connect the plug to a properly earthed electric socket Do not tamper with the plug Should the plug supplied not fit your socket have an electrician replace it with the correct one Connect to the mains supply having identical voltage as that indicated on the back of the amplifier Install the amplifier in compliance with the instructions Do not obstruct the air ducts Disconnect the appliance in case of storms or when not in use Wire exclusively as shown in the instructions Do not remove the upper or lower covers as this would expose the user to the risk of electric shock CAUTION DO NOT OPEN Do not attempt to repair the appliance yourself but always seek the assistance of qualified technicians Do not connect an input signal h
22. r so that this value has a tolerance level less than or equal to 0 1 V x 0 1 V The output terminal DC voltage must be less than or equal to 10 mV x 10 mV CONTROLLED RADIATION j ACOUSTIC RESEARCH j peecker sound 6 Dynamic testing e Set a sinusoidal signal at 1 kHz set the signal level at a value close to clip LED activating signal e Connect a 4 load of suitable power in one channel only The output signal voltage should be 57 V PS650 F 47 V PS1000 56 V PS1400 72 V 52000 82 V PS2600 92 V PS3600 e Check that the output waveform is regular Shake the input output connectors to check that they are reliable and there are no faulty contacts 7 Signal LED test check that the LED lights up when there is an input signal set the Gain of each channel at maximum level 8 Make sure that the crosstalk is greater than or equal to 50 dB x 50 dB 9 Check that the CMRR 1kHz is greater than or equal to 60 dB lt 60 dB 10 Check the phase between output and input 11 Connect the 8 O loads on both channels set the volume to maximum level and check that there is no background noise due to the power supply transformer 12 Test the frequency response 20 Hz 20 kHz 0 5 13 Bring the heat sink temperature to 50 C PS650 F PS1400 PS2000 PS2600 PS3400 or 70 C PS1000 and check that the fans are operating and noiseless 14 Check that at maximum output power the current is e P5650
23. s have been designed to meet the specific requirements of the world of professional audio based on criteria of maximum reliability and ease of use Power delivery id Multi application remains constant even at high loads with low heat dissipation and high performance thanks to low leakage toroidal transformers which provide an extra margin above the stated nominal output The power supply unit is protected against possible overvoltages overheating and short circuiting E Each of the power stage modules is fully independent in terms of both 4 High technology electrical and thermal protections Each channel in fact is equipped with its own heat sink and independent temperature control which acts directly on the cooling fan The signal is constantly monitored with the LED light on the front aa panel checking and indicating the level e Durability An internal limiter provides loudspeaker system protection against signal distortion The mechanical construction and subsequent circuit engineering are such as to guarantee high production standards Thanks to its rigid steel chassis the amplifier is able to withstand even the toughest tours guaranteeing maximum reliability in all operating igh T3 conditions power amp efficiency trr sand rr s 51000 51400 52000 Output Power 4 Ohm 2x450 W Output Power 4 Ohm 2 x 700 W Output Power 4 Ohm 2 x 1000 W Output Power 8 Ohm 2 x 280 W Output Po
24. tored on both channels independently If a value equal to or above 7 Volts is detected the amplifier output stage will be inhibited This protects the speakers against DC voltage 8 5 Power on off transients To eliminate power on off transients which can damage the loudspeaker systems a soft start circuit is enabled that connects the load with delay and disconnects it immediately 9 TESTING PROCEDURE FOR ELECTRO MECHANICAL OPERATION The testing protocols for the various series of amplifiers manufactured by Sound Corporation XTDT series by X Treme and PSDSP and PS series by Peecker Sound have been designed according to the FMEA Failure Mode and Effect Analysis method This is a risk assessment system deriving from electro mechanical reliability studies used widely in industrial and non industrial sectors to evaluate the reliability of both products and processes FMEA consists of procedures for analysing potential failures they are repeatable transparent and guarantee total control of the operating functions and absolute reliability of the manufactured products FMEA results basically consist of the following two documents e he first is an internal Sound Corporation tool designed for the Product Development Department with an indication of the various critical areas detected and suggested actions for improvement such as increasing MTTF Mean Time to Failure and or the life cycle of the amplifier under investigation
25. wer 8 Ohm 2 x 450 W Output Power 8 Ohm 2 x 650 W 52600 P 3400 PS650 F Output Power 4 Ohm 2 x 1300 W Output Power 4 Ohm 2x 1700 W Output Power 4 Ohm 2 x 650 W Output Power 8 Ohm 2 x 850 W Output Power 8 Ohm 2 1000 Output Power 8 Ohm 2 x 300 W FIA 1 kHz 196 THD both ch s driven 230 VAC CONTROLLED RADIATION ACOUSTIC RESEARCH j peecker sound peecker sound Using in stereo mode standard When using in stereo mode each channel operates independently and z the dedicated input attenuators control the respective channel level 11 Connection to the AC mains supply and power absorption The recommended minimum load for using in stereo mode is 4 Q per channel for all Peecker Sound Professional Series models see Technical Check that your mains power supply is sufficient for the power requirement specifications To connect the input signal use the Cannon XLR connectors of the electric mains should correspond to the voltage indicated on the backof Neutrike SpeakOn output connectors the amplifier Maximum current absorption is limited by internal fuses 7 OPERATING INSTRUCTIONS Note Remember that before connecting any of the cables it is always better to switch off and disconnect the amplifier from the power supply When switching on the amplifier the volume controls should always be set to the lowest level
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