OWNERS MANUAL -> ADVANTAGE SERIES
Contents
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3. POTs LEDs CHAPA D3 4 CLIP d sic nes oves P1 POT BIAL_2 a 2222 ALTAIR 082 1550 POWER SUPPLY D2 J4 GND VAC VAC J3 5 5 o H x GND 15VAC 4 15VAC e zi 5 m POWER OUT CH2 P2 112 D11 L cue SIG 4 Dg A ON PROT 85 11 PROFESSIONAL POWER AM PUFIERS ADVANTAGE 65 tt INPUT SENSITIVITY GAIN ADJUST The power amplifier input sensitivity may be configured with two resistors one for each channel When not installed this resistors the input SENSITIVITY input level necessary in order to produce the maximum output level of the channel is 0 dBu and with a resistor of 3K16 we obtain a input SENSITIVITY of 8 dBu These are the two extreme values of the resistor to configure the input sensitivity The factory configuration is with input sensitivity O dBu ww VW MN 01111 J d y J J JA 1 12 a Channel 1 Channel 2 The different resistors to obtain input sensitivities between 0 dBu and 8 dBu are show in the next table INPUT SENSITIVITY RESISTOR 1 4W 1 0 dBu 0 77 V 1dBu 0 87 V 2 dBu 0 98 V 3 dBu 110 V 4 dBu 123 V 5 dBu 138 V 6 dBu 155 V 7 dBu 174 V 8 dBu 195 V
4. 57 11 PROFESSIONAL POWER AMPLIFIERS ADVANTAGE SERIES NOTICE PIN 2 OWNERS MANUAL EQUIPOS EUROPEOS ELECTR NICOS S A L Avda de la Industria 50 28760 TRES CANTOS M ADRID SPAIN 4 ma 24 zm 22 34 1804 32 65 34 1804 43 se f altairgaltairaudio com www altairaudio com PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES CONTENTS 1 INTRODUCTION 2 SWITCHES INDICATORS ATTENUATORS AND CONNECTORS FRONT PANEL REAR PANEL 3 WORKING PRECAUTIONS 4 INSTALLATION UNPACKING MOUNTING CHANGING THE FUSE CONNECTING TO THE MAINS INPUT CONNECTION UNBALANCED INPUT BALANCED INPUT OUTPUT POWER CONNECTION MODES OF OPERATION STEREO M ODE OPERATION BRIDGE M ODE OPERATION EARTH LINK 5 OPERATION POWER UP INPUT ATTENUATORS CLIP INDICATORS INPUT SIGNAL OVERLOAD SIGNAL INDICATORS ON PROTECT INDICATORS FAN LOAD IMPEDANCES MAINTENANCE AMPLIFIER CONDITIONS 6 SPECIAL OPERATIONS INPUT SENSITIVITY GAIN ADJUST LIMITER ON OFF CHANGING THE MAINS VOLTAGE 7 DISTRIBUTED SYSTEMS APPLICATION PUBLIC ADDRESS 8 OPTIONAL CROSS OVER CARD 9 TECHNICAL SPECIFICATIONS 10 GRAPHS 11 WARRANTY G E ER EUBURBKRBRBRBDBBB wo0 1 100U Ui Ui A KR RU nJ MOM B EB BS t PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES 3 1 INTRODUCTION Congratulations on your purchase of the ALTAIR power amplifier ADVANTAGE series Our dilated experience in the design and manufacture of audio power
5. CAUTION Never puta resistor to configure the input sensitivity less than 3K16 This can produce a misoperate of the power amplifier The gain times thatthe output signal is increased with respectto input signal depends on the power amplifier model as well as of the input sensitivity configuration In the next table is shown the gains according to the power amplifier model and its input sensitivity configuration with intermediate input sensitivities subtract the gain corresponding to 0 dBu with the configured input sensitivity and obtain the power amplifier gain i e 36 6 30 GAIN dB INPUT SENSITIVITY 0 dBu 0 775 V 8 dBu 195 V A35 Aun 36 28 LIMITER ON OFF The power amplifier s limiter reduces the inputsignal when the power amplifier starts to saturate which avoids high saturation and loudspeaker damage PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES tt 18 Itis very advisable use the limiter circuit When the limiter ON OFF switch is not pushed the limiter is enable ON When this switch is pushed the limiter is disable OFF The limiter configuration ON OFF affects to both channels of the power amplifier The factory configuration is with the limiter enable ON in both channels LIMITER CONFIGURATION Switch position h CH1 ON 484 CH2 LIMITER ON El la CH1 gt LIMITER OFF 2b CH2 LIMITER OFF LIM TER CHANGING THE MAINS VOL
6. Any faulty unit must be sent to the dealer or the manufacturer The serial number of the unit must be included with any requestfor the service Equipos Europeos Electr nicos reserves the rightto modify the prices or the technical specifications without notice SERIAL NUMBER EQUIPOS EUROPEOS ELECTR NICOS S A L Avda de la Industria 50 28760 TRES CANTOS M ADRID SPAIN m altiro Itairaudio com www altairaudio com 34 91 804 32 65 1434 91804 43 58 European Union Waste Electronics Information Uni n Europea Informaci n sobre residuos electr nicos Waste from Electrical and Electronic Equipment WEEE directive The WEEE logo signifies specific recycling programs and procedures for electronic products in countries of the European Union We encourage the recycling of our products If you have further questions about recycling contact your local sales office Directiva sobre Residuos de Aparatos El ctricos y Electr nicos RAEE El logotipo de la Directiva RAEE se refiere a los programas y procedimientos espec ficos de reciclaje para aparatos electr nicos de pa ses de la Uni n Europea Recomendamos el reciclaje de nuestros productos Si tiene alguna consulta p ngase en contacto con su Distribuidor Information based on European Union WEEE Directive 2002 96 EC Informaci n basada en la Directiva de la uni n europea RAEE 2002 96 EC y el Real Decreto 2
7. amplifiers has led us to carry outa series of general purpose bipolar power amplifiers of great performances There is a lotthe characteristics that make of the ALTAIR power amplifiers ADVANTAGES series one of the mosthighlighted of the audio professional market here enumerated some Multiple protection Has improved the circuits of DC output protection by relay Guiding directly the power transistors outputto the loudspeakers binding post has improved several qualities of the signal quality the damping factor and the global reliability Equally the conventional thermal switches based on contacts has been substituted of the power modules by solid state sensors whose information completes the double condition of speed fan control and discharge the thermal protection All the protection situations are displayed in the power amplifier front panel Clipping circuit limiter Since mostof the damage caused to loudspeakers and even to the power amplifiers is normally the result of the permanence of the power unit during long periods of time in clipping itis necessary to have limiter mechanisms that assure their reliable operation For this purpose all the ADVANTAGE series power amplifiers has a soft clipping circuit that acts on the output power by comparing the input and output signals Once it detects a distortion or other noticeable cut it stabilises the integrity of the output signal thereby avoiding overloading and saturation levels th
8. e SIGNALINDICATOR TURN ON PROTECT INDICATOR POWER SWITCH REAR PANEL Ll auras A FUTT EQUIPOS EUROPEOS ELECTR NICOS Ng GD TRES CANTOS MADRID SPAIN Us 115 VAC T HIGH MODEL A3 5 7 5 230 VAC ad gt TA 50 60 Hz hu 1 GND OVI OUTPUTS CH 3 NEGATIVE 1 E E NP STE gs OFF BALANCED INPUTS CH hs SERIAL IP BINDING POST Al VENTS FUSE HOLDER MAINS CORD PROFESSIONAL POWER AM PLIHERS ADVANTAGE SERIES gt M INPUT SIGNAL CONNECTOR XLR 3 31 STEREO BRIDGE SWITCH STE BRIDGE XLR 3 32 OUTPUT SIGNAL CONNECTOR ONLY WITH THE OPTIONAL CROSSOVER CARD FITTED INPUT SIGNAL SELECTOR FOR EACH CHANNEL ONLY WITH THE OPTIONAL CROSSOVER CARD FITTED 3 WORKING PRECAUTIONS The manufacturer cannot be held responsible for any damage thatis incurred by not using the power amplifier in compliance with the warranty or working precautions contain parts that can be repaired by the user The power amplifier could have electric DANGER High voltage inside the amplifier Do notopen The power amplifier doesn t power stored in their interior even disconnected it from the mains CAUTION Protect the power amplifier from the rain and moisture Ensure that no objects or liquids
9. enter it If liquid is spilled into the power amplifier disconnect the power amplifier from the mains and consulta qualified service technician 42 464 Don t place power amplifier close to sources of heat Also make sure that the front and the rear panel there are free of obstructions since the fan could not work properly and cause the thermal protection work DANGER The power amplifier output connectors could have high voltage Make sure of turning off the power amplifier before handling on these output connectors 4 INSTALLATION UNPACKING Before leaving from factory each power amplifier was carefully inspected and tested Unpack and inspectthe power amplifier for any damage that may have occurred during shipment If any damage is found doesn t connectthe power amplifier to the mains notify the salesperson immediately because the unit must be inspected by a qualified service technician PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES to O Save the original packing you could use if you need to transportthe power amplifier NEVER SHIP THE POWER AMPLIFIER WITHOUT IT S ORIGINAL PACKING MOUNTING Itis always advisable to mountthe power amplifiers in rack either for mobile or fixed installations for protection safety aesthetics etc The ADVANTAGE series power amplifiers are designed for standard 19 rack mounting and occupy 2u high rack space Due to the weight of the unit it should be securely fastened at t
10. indicating thatthe power amplifier is cutting the output signal and after a few seconds this led changes to green and a RELAY click will be listened indicating thatthe power amplifier is connecting the output signal to the loudspeakers Atthis time you can turn up the power amplifier input attenuators INPUT ATTENUATORS Each power amplifier channel has an input signal attenuator gauged The calibration is measured between 1dBu relative to the scale The inputattenuators are independentfor each channel in STEREO mode In mode BRIDGE both channels depend on the CH1inputattenuator CLIP INDICATORS INPUT SIGNAL OVERLOAD The CLIP red LED e illuminates when the power amplifier starts to saturate moreover if the limiter is ON this LED indicates thatthe circuit limiter starts to work for more information see PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES section SPECIAL OPERATIONS LIM TER CONFIGURATION The CLIP indicators e are independent in each channel and indicate a real saturation by comparing input and output continuously and are independent of the mains voltage EUM The CLIP indicators e also illuminates when there is an output short circuit whenever one input signal is being introduced to the power amplifier To make the loudspeakers life longer avoid this situation of overload during extended periods of time If the input signal level is too high don t turn the power amplifier limiter off because itis
11. turning red the ON PROTLED ofthe corresponding channel This only happens under the most severe conditions of continuous overload in such a case itis essential to localise and to rectify the cause of this overheating condition The thermal protection circuit returns automatically to its normal operation when the power amplifier output transistors drops under the 0 security level connecting the load again and turning green the ON PROTIED o The power amplifier load protection circuit work when a continuous voltage appears in the power amplifier output connectors disconnecting the load from the power amplifier ON PROT LED ofthe corresponding channel illuminates on red When the continuous voltage disappear the load protection circuit automatically connects the load to the power amplifier and the ON PROTLED O turns green The power amplifier has two ON PROTLED indicators one per channel PROFESSIONAL POWER AM PLIHERS ADVANTAGE SERIES tt The power amplifier includes a thermally controlled system which continuously regulates the fan speed depending on the heat energy it has to evacuate This variable speed circuit avoids abrupt changes of temperature and substantially extents the working life of the components builds in At power amplifier turn on the fan rotates at maximum speed in order to exhaust the maximum dust possible Soon after the fan s speed drops to normal speed The power amplifier fa
12. 08 2005 ALDOR ROIRONCSLESCON Es M y EQUIPOS EUROPEOS ELECTRONICOS S A L Y AE 71 br Ld Avda de la Industria 50 28760 TRES CANTOS MADRID SPAIN A pl pis zi Quis 34 91 761 65 80 gi 34 91 804 43 58 at laltairGaltairaudio com www altairaudio com
13. L A3 5 A7 E OPEN T8 1 GND OV CH2 OUTPUTS CH 5 NEGATIVE LI E EG aX il E I OFF BALANCED INPUTS SERIAL NO IE INPUT CONNECTION Each power amplifiers channel incorporates one XLR 3 31female connector The inputs are balanced with a nominal impedance of 20 10 unbalanced The nextlist shows the input pins correspondence as A E S recommendation practice INPUT CONNECTOR XLR 3 31 PIN2 X X PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES O The input connection depends on two factors the first is the type of inputsignal balanced or unbalanced and the second the ground configuration of the sound source floating or ground referenced The next pictures shows some of the different possibilities of connection relying on the type of input signal balanced or unbalanced and according to the ground configuration of the equipment floating or ground referenced In the next diagrams we use the following symbols 7 Sound source with mains cord without ground connection T Sound source with mains cord with ground connection Ei Sound source with the EARTH LINK OFF Sound source with the EARTH LINK ON UNBALANCED INPUT This type of connection will be used when the sound source doesn t provide balanced output If itis possible will be employed th
14. TAGE The power amplifier is setto operate at 230V 50 60Hz or at 115 50 60Hz Make sure that the power amplifier is disconnected of the mains Q Set up the voltage selector placed in the left side of the power supply card POWER SUPPLY 5 082 in the position that shows the voltage that you want to connect it Power Amplifier setup 15 V Power Amplifier set up 230 V Make sure thatthe fuse is the rightone for the selected voltage MODEL FUSE 230V 50 60 Hz FUSE 15V 50 60 Hz DA TSA 0 Au O PROFESSIONAL POWER AM PLIHERS ADVANTAGE SERIES 11 7 DISTRIBUTED SYSTEMS APPLICATION PUBLIC ADDRESS Currently the standard of public address PA uses loudspeakers of 70 7 Volts and 100 Volts with different powers The professional power amplifiers ADVANTAGE series could work with these public address systems In order to use the power amplifiers in distributed systems itis necessary to choose the loudspeaker voltage operation and therefore the power amplifier model and wire the loudspeakers in parallel and then to the power amplifier output always keeping in mind thatthe sum ofthe loudspeaker power placed in parallel with the power amplifier output should not never overcome the maximum acceptable power of the amplifier The nexttable shows the voltages and powers to choose from Note that both configurations are in Bridge mode so never refer any loudspeaker to ground in the sou
15. an efficient protection for the loudspeakers In general the loudspeakers resist high peaks of instantaneous power but when exposed to extended saturations they lose any guarantee of good operation The saturation measuring circuit is sensitive to peaks ithas a quick attack time and a slow release time SIGNAL INDICATORS The SIGNALgreen LEDs illuminates when the output signal of the corresponding channel reaches 25 dBu before saturation These LEDs indicate signal presence in the power amplifier input This SIGNAL measurement circuit is sensitive to peaks ithas a quick attack time and a slow release time to indicate the average power ON PROTECT INDICATORS e The ON PROT LED indicates the connection or disconnection of the load from the power ON PROT amplifier These bi colour LED ON PROT illuminates in red when the load is disconnected from the power amplifier and it illuminates in green when the load is connected to the power amplifier Therefore whenever this indicator is in red will indicate us thatthe load is disconnected from the power amplifier and the power amplifier is not operative at that moment This occurs when the power amplifier is turned on and when the ERROR or THERMAL protections are activated When the power amplifier output transistors reach 909C the thermal protection circuit of the corresponding channel is activated The thermal protection disconnects the load from the power amplifier
16. at might damage the system This limiter effect is switchable on or off internally Under control The conception of the new loudspeakers especially the uses for low frequencies is based on thatthe amplifiers that govern them behave as ideal voltage amplifiers is say with zero output impedance The ADVANTAGE series approaches to this value nearly zero presenting a damping factor better than 300 whatredounds in a perfect control of the loudspeaker voice coil position along their excursion Naturally you wantto use your power amplifier just now but before beginning is important that you read this manual This manual will help you to install and use your new power amplifier It is very important that you read it carefully mainly the paragraphs marked as NOTE PRECAUTION and DANGER for your security Save the original packing you can re use itto transportthe power amplifier NEVER SHIP THE POWER AMPLIFIER WITHOUT THE ORIGINAL PACKING PROFESSIONAL POWER AM PLIHERS ADVANTAGE SERIES tt 4 2 SWITCHES INDICATORS ATTENUATORS AND CONNECTORS These are the switches indicators attenuators and connectors that you could find in your power amplifier The description and explanation of each one you will find itin the corresponding section FRONT PANEL o DIm M 4 5 LY INPUT ATTENUATOR had COOUNG VENTS INPUT SIGNAL OVERLOAD INDICATOR
17. d ko i R17A BE cl mum 5 8 ur Enn 38 9 Me quib x 5 TR 09 Rifa a a lt d Ei EE M cas Rt R81 R95 R95 J3 R180 RUD Q R164 6 8 5 S zie amp R C 144 R162 J 5 OCF dom p B CAC _ 7865 L Palo E 5 8881 J6 mu Dri 7 68 Regt az gi Rig g vcc QUT B gs 077 BIS are RTT 2 YE D4 ls e c e DX RE R73 123 El 02 C33 015 4 040 E 8 R63 7 gt i 5 eile mesa O Ris ia y 280 15 E BEN C54 Em 9 R93 pioa R123 RIH R127 R122 C54 c _RLI6 R129 amp amp R124 ROO E The voltage selector is placed in the left side of the power supply card shown in the next figure POWER SUPPLY A5 U ALTAIR 082 The power supply card is located in the front left side of the power amplifier as you face the front panel
18. e adequate PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES CONNECTING TO THE MAINS The connection of the power amplifier to the mains takes place by means of a three wire cord provided by the factory The European standard colour code is Brown Live Blue Neutral and Yellow Green Earth keeps in mind this mains configuration whenever handle the power amplifier plug In the connection of several devices to the same AC distribution board and extension cables keeps in mind the maximum current of the power amplifier and make sure that the mains connector as well as the AC distribution board are of enough current capacity since could take place in the mains connector and in the same AC distribution board a overheating with the risk of fire and or short circuit The following listshows the maximum average current requirement of the different models of power amplifiers at normal music operation MODELS MAXIMUM CURRENT REQUIREMENT 2A Make sure that the power amplifier power switch is at position 0 turned off Q Insert the male connector of the three wire cable into the mains plug Turn on the power amplifier power switch Right now the power amplifier will turn on CAUTION Make sure thatthe mains voltage is the correct as well as their fuse is the adequate HIGH uxta 19 no Ll arrain C O NN preasan EQUIPOS EUROPEOS TRES CANTOS MADRID SPAIN FUSE e MODE
19. e connection type 1 Using twin lead shielded cable gt Floating sound source arab 16 POWER AMPLIFIER SOUND SOURCE s O PO dem lt 100 soe eo 594 E ESSERE POWER AMPLIFIER SOUND p SOURCE me O ti ms _ 2 Using single conductor coax cable Floating sound source arab 1 POWER AMPLIFIER Em CO SOUND PY SOURCE gt Ex PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES to O AMPLIFIER SOUND ps ody he em O SOURCE 22 ERU OUR UR UR A EN 9 O BALANCED INPUT AMPLIFIER O y O E OO AS SOUND P EE 2 22 52 SOURCE cs momo ci Aaa AMPLIFIER ai a m SOUND P7 DURC m nd OUTPUT POWER CONNECTION MODES OF OPERATION Each channel includes a pair of five way binding post The red binding postis positive and the black is ground Keep in mind the polarity upon connecting the speaker
20. erous and not advisable because should any circumstance part of the mains signal is derived to the chassis could cause a short circuit through our body upon having eliminated one of the working precautions of the unit For this cirrumstance NEVER lifts the mains earth use the EARTH LINK switch of the unit in order to avoid possible accidents 9 OPERATION POWER UP Plug in all input and output connectors following the recommendations of the sections INSTALLATION INPUT CONNECTION AND INSTALLATION OUTPUT MEME CONNECTION Ensure that both power amplifier s input attenuators are turned fully counter clockwise position At this time you can switch on the power amplifier m Upon switch the power amplifier on the delay turn on system takes place that minimises the effect of the transient currents on the loudspeakers In a few seconds the delay turn on system stops working a RELAY click will be listened and the load is connected When turning on a rack of power amplifiers they should be switched on individually The practice of leaving all power amplifiers in a rack switched on and powering up the whole rack by connecting itto the mains is dangerous and likely itblows the mains fuse ofthe rack power supply if with good approach the rack has one In a rack of power amplifiers switch the power amplifiers on in a one by one basis Note that upon switching the power amplifier on the ON PROTECT indicator lights red
21. he front and the back of the cabinet If the racks are carriage ones itis advisable thathave trays in order to allow the power amplifier to rest on its base and in an elastic cradle if possible Itis advisable leave a separation space between amplifiers and other units in order to facilitate its cooling upon mounting the amplifier in a rack In the mounting either fixed or in rack the cooling vents placed in the front and rear panel should be free so thatthe air circulates freely and the amplifier could have a better heat dissipation In the same way make sure thatthere are no heatsources near the front cooling vent because the fan exhaust cool air through this vent CHANGING THE FUSE The power amplifiers are designed to work with slow blow type fuses of 6x32 whose values in order to work with a mains voltage of 230V 50 60 Hz or 115V 50 60 Hz are specified in the following list MODEL FUSE 230V 50 60 Hz FUSE 15V 50 60 Hz A35 Au Make sure that the power amplifier is disconnected from the mains d Atthe power amplifier rear panel is placed the fuse holder Unscrew the most external partof the fuse holder Upon unscrewing the most external part of the fuse holder the fuse will appear Remove it and change for a new one Never use other type of elementthan a fuse Screw the external partof the fuse holder 2 T CAUTION Always make sure upon changing the fuse thatthis is th
22. he limiter is engaged it will be working and if itis not engaged the output signal will be e ee Co Saturated CLIP SIGNAL ON PROT CLIP SIGNAL ON PROT e o o The channel with this indicator status has its output in short circuit Ca There is no power to the amplifier either because itis not e o o plugged or because the power switch is in the OFF position INDICATORS RED 9 GREEN C 6 SPECIAL OPERATIONS In order to configure some of the power amplifier possibilities itis necessary to open it removing the nine screws on the upper cover NOTE This type of operations takes place with the unit open for what it should be carried out by a qualified technician DANGER Before opening the amplifier disconnect it from the mains It is important to indicate that although the unit is power out with the power switch in 0 position if it continues connected to the mains there are different parts of the unit that are subjected to high voltage CAUTION Protect the power amplifier from the rain and moisture mainly if itis open If liquid is Spilled into the power amplifier disconnect it from the mains and consult a qualified service technician The input sensitivity and limiter configuration of both channels takes place in the driver card shown in the next figure DRIVER A5 ILALTAIR 081 This board is located parallel to the power amplifier bottom plate The driver board is wide occupying almostthe wh
23. ier The selection of a good loudspeaker cable with a good quality and an adequate diameter is very important and is one of the things thatless is keptin mind PE The next list shows the maximum output current of the power amplifiers according to the model MODELS MAXIMUM OUTPUT CURRENT There are many factors that determine the loudspeaker cable diameter the length of the cable the type of signal that is going to circulate for it the output power of the power amplifier etc A cable with high resistance reduces the damping factor limiting the power amplifier capacity for controlling the speakers accurately The possible output connections depends on the configuration of the STEREO BRIDGE mode switch on the rear panel CAUTION Do notchange the configuration of STEREO BRIDGE switch unless the power amplifier is first turned off Before turn on the power amplifier make sure that the mains input and output connections are correct If doesn t follow these recommendations could cause a power amplifier and or loudspeakers breakdown STEREO M ODE OPERATION In this mode the two channels of the power amplifier are totally independent so that the two inputsignals and the two power outputs will be wiring independently In order to configure the power amplifier in STEREO mode turn the amplifier off slide the STEREO BRIDGE switch toward the left as you face the rear panel and wire the input and output connections according to the ne
24. ld damage the lubricant la yer of the potentiometers Use compressed air to clean them or replace with similar parts AMPLIFIER CONDITIONS INDICATORS AMPLIFIER CONDITION The power amplifier has just been turned on itis still in the initial delay and itis notreceiving an input signal In this case the ON PROT indicators of both channels would be illuminated in red e O OR A protection was activated ERROR or THERM AL The power amplifier is not receiving an input signal In this case would be illuminated in red the ON PROT indicator ofthe channel in which the protection has been activated PROFESSIONAL POWER AM PUFIERS ADVANTAGE SERIES M INDICATORS AMPLIFIER CONDITION The power amplifier has just been turned on itis still in the initial delay and itis receiving an input signal In this case the ON PROT indicators of both channels would be illuminated in red 0 OR A protection was activated ERROR or THERMAL The power amplifier is receiving an input signal In this case would be illuminated in red the ON PROT indicator of the channel in which the protection has been activated e o o The channel with this indicator status is notreceiving an on input signal but is ready in order to receive it e o o Normal operation The channel with this indicator status 15 m receiving an input signal and amplifying it The channel with this indicator status is receiving an input e o o signal too high If t
25. n rotates at maximum speed also in an overheating situation when a thermal protection is activated so that the heat drops under the security level quickly The fan is placed inside the power amplifier and incorporates some cooling vents in the front and rear panel for which the air is evacuated for that reason itis important make sure thatthe cooling vents are always free so thatthe air could circulate with freedom LOAD IMPEDANCES The power amplifiers ADVANTAGE series are designed to drive a 4Q or higher load impedances in STEREO mode 8Q or higher in Mode BRIDGE without current limiting When the power amplifier is working in BRIDGE mode the load impedance must be 8Q or higher with the same consideration that in STEREO mode with 40 load impedance This is because in BRIDGE mode each channel is like driving with the half load impedance MAINTENANCE Periodically and in a technical service you must clean the dust and dirt accumulated inside the power amplifier especially in the heatsinks the fan and the cooling vents with a vacuum cleaner or with an air compressor gun The dirt diminishes considerably the capacity of radiation and ventilation The input attenuators potentiometers are sensitive to the dust accumulated and therefore for trouble free operation they mustbe cleaned with an air compressor gun or be changed if necessary NOTE Equipos Europeos Electr nicos don t recommend the use of spray cleaners because they cou
26. nd system installation OUTPUT POWER Watts RMS 1KHz THD N 0 1 Bridge mode OR 70 7 UNE 100 V LINE A35 An 100 8 OPTIONAL CROSS OVER CARD An optional crossover card is available as an option to be installed and configured by using a simple screwdriver The card provides High and Low frequency crossover outputs of 24 dB octave L R type Refer to its corresponding user manual for proper operation 9 TECHNICAL SPECIFICATIONS A3 5 7 OUTPUT POWER IN WATTS RM S IKHz THD 0 1 Stereo mode 330 per channel botch channel driven Bridge mode 8o 3235 mo Dynamic power RS 490 channels driven TOTAL HARMONIC DISTORTION THD N Less than 0 05 at rated output power at 1kHz into 4 Q INTERMODULATION DISTORTION SMPTE Less than 0 08 at 60Hz 7KHz 4 1ratio into 40 at rated output power DIM 30 Less than 0 04 into 40 INPUT SENSITIVITY Internally selectable by means of resistor atrated output power 40 From 0 dBv 0 775 V to 8dBv 195 V Unbalanced 10KQ HUM AND NOISE weighted Greater than 100 dB 20Hz to 20KHz ref full output INDIDATORS CLIP LED one per channel SIGNAL LED one per channel ON PROT LED one per channel COOLING Forced air by continuous variable speed fan Frontto rear cooling PROTECTIONS Electronic against short circuit and open circuit Thermal against output transisto
27. ole width of the power amplifier The input sensitivity configuration of both channels is close the XLR 3 310f CH1 and the limiter configuration is close the XLR 3 3210f CH2 PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES
28. rs overheats DC out by relay Delayed turn on off Mains inrush transient 7 A only POWER SUPPLY 115 230 Volts 10 3096 50 60 Hz DIMENSIONS 22x89870 m m 9 x2u so NOTE EQUIPOS EUROPEOS ELECTR NICOS S A L reserves the rightto modify the technical specifications without previous notice Alt Typical common mode relation ratio C M R R versus frequency at rated output power 120 0 20 100 lk Channel separation L gt R R gt L JAN 99 09 05 51 10k PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES E b a At p DD o o o o o o o o o o e e H e o o o e e e o e e d n H u H d 3 000 Total harmonic distortion versus frequency at rated output power into 40 21 22 PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES 1 WARRANTY This unitis warranted by Equipos Europeos Electr nicos to the original user againstflaws in the manufacturing and in the materials for a length of time of one year starting from the date of sale Faws due to misuse of the unit internal modifications or accidents are not covered by this warranty There is no other warranty expressed or implicit
29. s since changing the speaker polarity of a system reduces the total output power by the effect of the phase cancellations mechanisms In the output connection it is necessary to keep in mind a series of important precautions in order to avoid an accidental short circuit or a possible damage in the equipment Consider the power handling capacity of your speakers before connecting it to the power amplifier Equipos Europeos Electr nicos is not liable for damage occurred by the connection of speakers to the power amplifier with a nominal power lower thatthe power amplifier off the power amplifier and turn down the input attenuators whenever takes place an output power connection The output power connectors could have high voltage with the rising danger of short circuit PROFESSIONAL POWER AM PLIFIERS ADVANTAGE SERIES Never put the output power connectors in parallel This connection doesn t increase the power and could cause the break of the power amplifier Do not connect the power amplifier output connectors to the output connectors of any other power amplifier This connection could cause the break of one or both power amplifiers Do not connect the output connector ground black binding post to any input connector ground PIN lof the connector XLR 3 31 This could create a ground loop and could cause feedback oscillations Q Use loudspeaker cables sizes capable to manage the output current of the power amplif
30. xt picture PROFESSIONAL POWER AM PLIHERS ADVANTAGE SERIES i CHANNEL 2 4 CHANNEL 1_ td A MODE E MN STE BRIDGE RNI HIG AUXILAFY X u VEF CUTFUTS nM ALTAIR C ir AGA M m 4 THIS E 70 V INPUT SELECTION v EITHER RAIN MOISTURE 8 CAUTION GE Pr A 230 ln 2 e 1 GND 2 OUTPUTS e IM or CHX BALA CHANNEL 1 2 SOUND SOURCE C 8 e C za d zm FAR 24 O BRIDGE M ODE OPERATION In BRIDGE mode the input should be inserted the XLR CH input connector In this mode the power of the two channels will be added over a single load The CH1 input attenuator controls both channels remaining the CH2 input attenuator disabled The output in BRIDGE mode must be taken between both red binding post positive load pole is the red binding post of CHland the negative load the red binding post of CH2 putthe power amplifier in BRIDGE mode turn the power amplifier off slide the STEREO BRIDGE switch toward the right as you face the rear panel and wire the input and output connections according to the following picture
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