aero20A User´s Manual - DAS Audio
Contents
1. Nominal LF Power Amplifier Nominal HF Power Amplifier Input Type Input Impedance Sensitivity Frequency Range 10dB 1 Horizontal Coverage 6dB Vertical Coverage Rated Maximum Peak SPL at 1m 2 Transducers Replacement Parts Enclosure Geomet Enclosure Material Color Finish Rigging System onnectors AC Power Requirements 1 3 Power Pink Noise Dimensions H x W x D Weight Accessories SPECIFICATIONS aero 20A 800 W Class D 400 W Class D Balanced Differencial Line Line 20 kOhms Line 6 2 V 18dBu 60 Hz 20 kHz 90 Nominal Splay Dependent 186 dB LF 1 x 12AN4 GM 12AN4 HF 1 x M 75N GM M 75N Trapezoidal 3 5 Birch Plywood Black ISO flex paint Integrated in box design Audio INPUT Female XLR Audio LOOP THRU Male XLR Audio Data INPUT etherCON Audio Data LOOP THRU etherCON AC INPUT powerCON TRUE AC OUTPUT powerCON TRUE1 2 6 Ae lilo Ve oO riz COM IL O T0 2401054 LIA SAS EN e e Ze ES 34 5 ko 75 9 b AX aero20 Rigging Grid PL 20S Pick up AX aero20 DASnet Rack AX Combo2040 Rigging Adapter D A S Audio S A continuously striv2. eCP 3 eCP 20 eCP 3 eCP 3 O gt e all fe all E all L OT TO IL T DIT Y ss gt es gt O Too Manual del Usuario aero 20A User s Manual T 24 x aero 20A 12 LX 218CA net CONFIGURATIONS cont d Note You will find more configurations on the web page 10 O00 0 0010
3. Manual del Usuario aero 20A User s Manual RIGGING SYSTEM Warning Due to the numerous images needed to explain the aero 20A array system setup this manual cant offer all the necessary information to rig the DAS Audio system In this document only we reflect the safety precautions and a summary of the elements To log in to the complete information please consult Rigging Manual which you will find on the web page To perform any operations related to flying the system read the present document first and act on the warnings and advice given The goal is to allow the user to become familiar with the mechanical elements required to fly the acoustic system as well as the safety measures to be taken during set up and teardown Only experienced installers with adequate knowledge of the equipment and local safety regulations should fly speaker boxes It is the users responsibility to ensure that the systems to be flown including flying accessories comply with state and local regulations The working load limits in this manual are the results of tests by independent laboratories It is the users responsibility to follow and comply with safety factors resistance values periodical supervisions and warnings given in this manual Product improvement by means of research and development is on going at D A S Audio Specifications are subject to change without notice To this date there is no international standard regar
4. 6 IDENTIFY COMMS LED Green LED which blinks slowly when IDENTIFY is pushed to indentify the unit or blink faster if there is communication with DASnet 7 SIGNAL LIMIT Two color LED which indicates signal presence if shines green and limiter if shines red 8 IDENTIFY KNOB It is used to indentify a unit in the software 1 AG AT FPR APY a o N N NUMBER OF UNITS gt THROW DI PA E UNIT NAMI STAGE VEN D L J ie J UD E AM 9 THROW SELECTOR A button that allows selecting the throw preset in the rear panel 10 THROW LED The LED that shines indicates the selected preset 11 NUMBER OF UNITS SELECTOR A button that switches between all the different pre configured array compensations depending on the number of cabinets 12 NUMBER OF UNITS LED The LED shining indicates the selected preset 13 QR QR symbol which allows the access
5. by internet to the user s manual 14 IDDASNET Tag with the ID number of the unit for DASnet more information in SYSTEM RECONFIGURATION 15 AC INPUT Neutrik PowerCon TRUE mains connector Only use this equipment with an appropiate mains cord 16 AC OUTPUT Neutrik PowerCon TRUE1 mains connector Only use this equipment with an appropiate mains cord 17 RADIATOR Be careful when in contact with radiator because it can be hot although it never will reach a dangerous temperature Manual del Usuario aero 20A User s Manual ON OFF A sound system should be switched on sequentially Switch on the self powered units last in your sound system switch on the subwoofer before the mid high system Switch on the sound sources such as CD players or turntables then the mixer then the processors and finally the self powered unit If you have several units it is recommended that you switch them on sequentially one at a time Follow the inverse order when switching off turning self powered units off before any other element in the sound system Disconnect the device by removing the mains connector from the mains socket The mains connector and mains socket must always be freely accessible and never covered or blocked in any way The models use a power cable equipped with a Neutrik PowerCon TRUE1 connector Power can be daisy chained via the TRUE1 output connector see details on product label IMPORTANT Do not disconne
6. 0 00000 i 00010 1 00000 ee 00000003000 000 077 00 00000 000 0000 00 00000 000 00007 0000000000 000 055 5 00 00000 000 000 065 ET 00 00000 000 00007 001000001000 000 055 5 00 00000 000 000 065 00 00000 000 000 055 EEE 00 00000 000 000 057 00 00000 000 000 065 00 00000 000 000 05 n 001000001000 000 065 00 00000 000 00907 0000000000 000 055 0000000000 000 077 Manual del Usuario aero 20A User s Manual
7. Para solicitar reparaci n en garant a es imprescindible que el producto no haya sido previamente manipulado e incluir una fotocopia de la factura de compra WARRANTY All D A S products are warrantied against any manufacturing defect for a period of 2 years from date of purchase The warranty excludes damage from incorrect use of the product All warranty repairs must be exclusively undertaken by the factory or any of Its authorised service centers To claim a warranty repair do not open or intend to repair the product Return the damaged unit at shippers risk and freight prepaid to the nearest service center with a copy of the purchase invoice Manual del Usuario aero 20A User s Manual DECLARACION DE CONFORMIDAD DECLARATION OF CONFORMITY D A S Audio S A C Islas Baleares 24 46988 Pol Fuente del Jarro Valencia Espa a Spain Declara que la aero 204 Declares that aero 204 Cumple con los objetivos esenciales de las Directivas Abide by essential objectives relating Directives Directiva de Baja Tension Low Voltage Directive 2006 95 CE O Directiva de Compatibilidad Electromagn tica EMC 2004 108 CE O Directiva RoHS 2011 65 CE Directiva RAEE WEEE 2002 96 CE Y es conforme a las siguientes Normas Armonizadas Europeas In accordance with Harmonized European Norms e EN 60065 2002 A11 2008 Audio video and similar electronic apparatus Safety requirements e EN 55103 1 2009 Electromagnet
8. The lightning and arrowhead symbol warns about the presence of uninsulated dangerous voltage To reduce the risk of electric shock do not remove the cover Only use this equipment with an appropriate mains cord for your country Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat The circulation of air through the heatsink must not be blocked Do not expose this device to rain or moisture without the rain protector supplied Do not use this apparatus near water for example swimming pools and fountains Do not place any objects containing liquids such as bottles or glasses on the top of the unit Do not splash liquids on the unit without the rain protector supplied This symbol on the product indicates that this product should not be treated as household waste Instead it shall be handed over to the appicable collection point for the recycling of electrical and electronic equipment Working temperature ranges from 15 C to 42 C with a relative humidity of 95 with 10 of the rated main voltage value indicated on the rear label according to IEC 60065 2001 If the fuse needs to be replaced please pay attention to correct type and ratings The outer wiring connected to the device requires installation by an instructed person or the use of a flexible cable already prepared If the apparatus is connected permanently the electrical system of the building must incorpo
9. Users Manual CONTENTS SAFETY PRECAUTIONS 3 WARRANTY O iii ie AAA 4 DECLARATION OF CONFORMITY coccion 9 INTRODUCTION ciiee eee 6 CONFIGURATIONS 7a8 12 aero 20A 6 LX 218CA 24 aero 20A 12 LX 218CA SPECIFICATIONS oo 9 LINE DRAWINGS 9 AMPLIFIER 10 a 12 RIGGING SYSTEM 14 a 15 APPENDIX 16 Manual del Usuario aero 20A User s Manual aero 20A pracauciona da s Cajas ac sticas activas Self powered loudspeaker enclosures El signo de exclamaci n dentro de un tri ngulo indica la existencia de importantes instrucciones de operaci n y mantenimiento en la documentaci n que acompa a al producto Conserve y lea todas estas instrucciones Siga las advertencias ATENCI N Es un producto clase A por lo que en entornos dom sticos puede causar radio interferencias en cuyo caso el usuario tendr que tomar las medidas oportunas De acuerdo con EN55103 2 usar el equipo s lo en entornos El E2 E3 E4 No desconecte la tierra en el conector de alimentaci n pues el peligroso e ilegal Equipo de Clase El signo del rayo con la punta de flecha alerta contra la presencia de voltajes peligrosos no aislados Para reducir el riesgo de choque el ctrico no retire la cubierta S lo use este equipo con el cable de red de alimentaci n adecuado para su pa s No instale el aparato cerca de ninguna
10. ct the unit while in use Ensure that the device is disconnected from the mains by observing that the ON LED is turned off Please note that the ON LED can stay on for several seconds after the mains power has been disconnected verl indicator This device has a SIGNAL LIMIT indicator The red light indicates the signal is excessive The indicator should not be lit continuously This distorts the signal quickly fatiguing your ears and may damage the speakers The unit does not need extreme settings of equalisation to produce quality sound Avoid high levels of gain on the equalisers Gain values above 3 dB on a console s EQ are not recommended This equipment does not normally overheat during normal conditions of use due to the use of a high efficiency amplifier combined with a heatsink When overheating occurs the unit protects itself at 80 C at the internal amplifier s sensing point This temperature limit can be monitored with DASnet In case of entering in protection mode you should then find out why and if necessary contact an authorised dealer for technical assistance Normally it is enough just to let the unit cool down after you have corrected the problem so that the system functions properly again The amplifier is provided with a radiator made of aluminum which improves heat evacuation Keep grilles clean and dust free Do not block or obstruct in any way the air entrance or exit while the equipment is in use A
11. ding the flying of acoustic systems However it is common practice to apply 5 1 safety factors for enclosures and static elements For slings and elements exposed to material fatigue due to friction and load variation the following ratios must be met 5 1 for steel cable slings 4 1 for steel chain slings and 7 1 for polyester slings Thus an element with a breaking load limit of 1000 kg may be statically loaded with 200 kg 5 1 safety factor and dynamically loaded with 142 kg 7 1 safety factor When a system is flying the working load must be lower than the resistance of each individual flying point in the enclosure as well as each box Hanging hardware should be regularly inspected and suspect units replaced if in doubt This is important to avoid injury and absolutely no risks should be taken in this respect It is highly recommended that you implement an inspection and maintenance program on flying elements including reports to be filled out by the personnel that will carry out the inspections Local regulations may exist that in case of accident may require you to prevent evidence of inspection reports and corrective actions after defects were found Absolutely no risks should be taken with regards to public safety When flying enclosures from ceiling support structures extreme care should be taken to assure the load bearing capabilities of the structures so that the installation is absolutely safe Do not fly enclosures f
12. elp of an electrician 1 Check your connections 2 Check the cables connectors and AC power with a suitable mains tester 3 Replace the fuse for another of the same size and type Manual del Usuario aero 20A User s Manual CHANGE OF CONFIGURATION reset The unit allows to change some default factory settings using the controls in the amplifiers panel The firmware which is described here is the 1 20 version However gain and delay only can be changed with DASnet To re establish the default factory settings Number of units Throw gain delay without using DASnet the system has to be switched ON while pressing the Throw button By doing this the cabinet will be set up with the Number of units correction to 1 unit and the Throw to MID C N a X c A TE fi NUMBER OF UNITS gt THROW D D A S AUDIO S A Valencia MADE IN SPAIN ol m u PS A 0 ero 20A Brave UNIT NAME STAGE VENUE 0 E IN D A ai PIRA iff N S DANT 2 fp i MAX 5 230V 2 115V UNITS AERO 20A ID DASNET T SIGNAL INPUT LOOP AC INPUT step 1 VERRE turn th urn tne x hold 4 PowerCo S pressed 4 DJ
13. ensibles a campos magn ticos tales como monitores de televisi n O material magn tico de almacenamiento de datos El colgado del equipo s lo debe realizarse utilizando los herrajes de colgado recomendados y por personal cualificado No cuelgue la caja de las asas y respete los valores m ximos de carga dados en el manual No existen partes ajustables por el usuario en el interior de este equipo Cualquier operaci n de mantenimiento o reparaci n debe ser realizada por personal cualificado Es necesario el servicio t cnico cuando el equipo se haya da ado de alguna forma como que haya ca do l quido o alg n objeto en el interior del aparato haya sido expuesto a lluvia o humedad no funcione correctamente haya recibido un golpe o su cable de red est da ado Limpie con un pa o seco No use limpiadores con disolventes z The exclamation point inside an equilateral triangle is intended to alert the users to the presence of important operating and maintenance servicing instructions in the literature accompanying the product Heed all warnings Folow all instructions Keep these instructions WARNING This is a class A product In a domestic environment this product my cause radio interferences in which case the user may be required to take adequate measures Use this product only in El E2 E3 or E4 environments according to EN55103 2 Do not remove mains connector ground it is dangereous and illegal Class device
14. es to enhance its products through investigation and development All specifications are subject to change without prior warning LINE DRAWINGS aero 20A 443 ALL DIMENSIONS IN MILIMETERS 9 e o se 1i o o 7 o o e gt 5 8 E o b o oo o o O 2 Y Manual del Usuario aero 20A User s Manual AMPLIFIER Description 1 INPUT XLR type input signal connector This is balanced connector just like the LOOP THRU connector with the following pin assignments 1 GND ground 2 Non inverted input 3 Inverted input 2 LOOP THRU XLR type output connector for connecting several units together and sending them all the same signal 3 IN Neutrik etherCon input connector for DASnet 4 OUT Neutrik etherCon output connector for DASnet for connect more cabinets 5 ON PROTECT Two color LED which indicates that the unit is ON if shines green and protection if shines orange
15. fuente de calor como radiadores estufas u otros aparatos que produzcan calor Debe instalarse siempre sin bloquear la libre circulaci n de aire por las aletas del radiador No exponga este equipo a la lluvia o humedad sin el protector de lluvia recomendado No use este aparato cerca del agua piscinas y fuentes por ejemplo No exponga el equipo a salpicaduras sin el protector de lluvia recomendado ni coloque sobre l objetos que contengan l quidos tales como vasos y botellas Este s mbolo indica que el presente producto no puede ser tratado como residuo dom stico normal sino que debe entregarse en el correspondiente punto de recogida de equipos el ctricos y electr nicos Equipo dise ado para funcionar entre 15 C y 42 C con una humedad relativa m xima del 95 con un rango de 10 de la tensi n nominal de alimentaci n indicada en la etiqueta trasera seg n IEC 60065 2001 Si debe sustituir el fusible preste atenci n al tipo y rango El cableado exterior conectado al equipo requiere de su instalaci n por una persona instruida o el uso de cables flexibles ya preparados Si el aparato es conectado permanentemente la instalaci n el ctrica del edificio debe incorporar un interruptor multipolar con separaci n de contacto de al menos 3mm en cada polo Desconecte este aparato durante tormentas el ctricas terremotos o cuando no se vaya a emplear durante largos periodos No emplace altavoces en proximidad a equipos s
16. ic compatibility Product family standard for audio video audio visual and entertainment lighting control apparatus tor professional use Part 1 Emission e EN 55103 2 2009 Electromagnetic compatibility Product family standard for audio video audio visual and entertainment lighting control apparatus tor professional use Part 2 Immunity Manual del Usuario aero 204 User s Manual INTRODUCTION The aero 20A is a 2 way powered line array system which incorporates connectivity for remote monitoring and control The unique configuration of the aero 204 Advanced Line Array System ALAS incorporates a 12 transducer in a bass reflex configuration for low end and mid range reproduction High frequency reproduction relies on one D A S M 75N compression driver attached to a new BPS 1912 waveguide Features Advanced Line Array System ALAS Lates generation of AD DA converters Powered two way configuration Remote monitoring and control via DASnet 2400 Wpeak Class D power amplifier Newly developed high frequency waveguides Powerfull DSP with Brick wall FIR Filters Higher SPL and increased power handling Full limiting and protection features New rigging system for improved ease of use and safety Power for the aero 20A is provided by a package of integrated electronics that includes a new 1200 W 2400 Wpeak amplifier advanced digital signal processing and connectivity for remote system management The
17. ir circulates from the bottom to the top of the amplifier Low mains voltage If mains voltage falls below the shutdown voltage for the unit it will stop playing When acceptable levels are regained the unit will switch back on automatically The unit recognised automatically if it s going to work in 230Vac or 115Vac range The nominal operating ranges are 85V to 125V for 115Vac or 170V to 250V for 230Vac Therefore the current consumed by a 115V version is double the 230V version to achieve the same acoustic power level For 230Vac the consumption of the unit giving 1 3 of power with pink noise input signal is 1 8A ACE CAUTION Th ME N1918 alzi D A S AUDIO S A Valencia MADE IN SPAIN a a 0 0 O 20A 3 4 LONG O IN DASTDEt OUT O 8 PUSH O PUSH MID 29 O 16 SHORT NUMBER OF UNITS O THROW IDENTIFY COMMS f ON PROTECT SIGNAL INPUT NUMBER OF UNITS OY THROW e Zone for user notes I Es UNIT NAME Y STAGE VENUE Da No A se MAX 5 230V 2 115V UNITS AERO 20A ID DASNET e T E 2 AC INPUT 115 230 V 50 60Hz 620W AC OUTPUT Label details Manual del Usuario aero 20A User s Manual 11 Troubleshooting PROBLEM No sound from the unit The SIGNAL LED does not light up Full power cannot be obtained The LIMIT LED never lights up Sound is distorted The LIMIT LED is not on or only lights up occasionally Sound is disto
18. lude power and a STP CAT7 cable These cables are named eCP_xx xx refers to cable length Y MZA Y P eCP_20 o o e The links between cabinets aero40A Convert15A LX 218CAnet which are STP CAT7 cables Cable code eC_ 09 o o Power Links between cabinets Cable code Plink1_09 P e Links for RoadNet series Power STP CAT7 eCPk 1 eCPk 5 Important P 6 The main feed cable eCP_xx has the following structure acket STP CAT 7 cable with Aluminium Shield for each individual pair and a main aluminium AL shield Shield e The main Shield has to be soldered to the etherCon housing Jacket The eC_09 cable is a CAT5e cable with 7 global Aluminium Shield i mms ecP_xx Power cable 3x2 5mm CAT7 4x 2 x 0 14mm_ The pin out of the EtherCon to XLR is the following on the eCP cables etherCon XLR 1 Orange White Audio 2 2 Orange Audio 3 3 Green White Audio Earth 1 4 Blue 5 Blue White 6 Green Data Earth 1 T Brown White Data A 3 8 Brown Data B 2 1 Manual del Usuario aero 20A User s Manual www qdasaudio com A E lt O N LL
19. m a signal source and the ones on the right hand side go to the inputs of the processor or amplifier Note that on the unbalanced connectors on the left hand side two terminals are joined inside the connector If hum occurs with balanced to balanced connections try disconnecting the sleeve ground on the input connector Note that the illustrations show what should be connected to what but that pin locations on an actual XLR connector are different Also pin 2 hot is assumed on XLR connectors 2 2 G A 3 3 Balanced XLR Cannon to Balanced XLR Unbalanced XLR Cannon to Balanced XLR RCA Phono to Balanced XLR Cannon Balanced 1 4 Jack to Balanced 1 4 Jack S S Unbalanced 1 4 Jack to Balanced 1 4 Jack T S S S S RT RCA Phono to Balanced 1 4 Jack Manual del Usuario aero 20A User s Manual 16 APPENDIX Il DASnet cables With each system cabling and patch panels are provided It is very important to use the system with the intended cables to prevent electromagnetic interferences between the analog audio signal the DASnet data and the power Be sure to check the specifications provided by the cable manufacturer lt is also especially important when installing connectors yourself to note that when termination is not accurate a cable will be unable to achieve its maximum performance and could have interferences There are 4 different types of cables The main feeds which inc
20. oad 15A_net 15 Manual del Usuario aero 20A User s Manual APPENDIX I Line connections unbalanced and balanced There are two basic ways to transport an audio signal with microphone or line level Unbalanced line Utilising a two conductor cable it transports the signal as the voltage between them Electromagnetic interference can get added to the signal as undesired noise Connectors that carry unbalanced signals have two pins such as RCA Phono and 6 35mm often referred to as jack mono 3 pin connector such as XLR Cannon may also carry unbalanced signals if one of the pins is unused Balanced line Utilising a three conductor cable one of them acts as a shield against electromagnetic noise and is the ground conductor The other two have the same voltage with respect to the ground conductor but with opposite signs The noise that cannot be rejected by the shield affects both signal conductors in the same way At the device s input the two signals get summed with opposite sign so that noise is cancelled out while the programme signal doubles in level Most professional audio devices use balanced inputs and outputs Connectors that can carry balanced signal have three pins such as XLR Cannon and 14 6 35mm stereo The graphs that follow show the recommended connection with different types of connectors to balanced processor or amplifier inputs The connectors on the left hand side come fro
21. r coat finish has been used to protect the components Stainless steel has been employed to fasteners and parts of the new rigging system The captive rigging system has been designed to provide ease of use safe rigging and precise aiming Using captive links and quick release pins the spring loaded links remain positioned while rigging and prevent rattling during operation Manual del Usuario aero 20A User s Manual 12 x aero 20A 6 LX 218CA net CONFIGURATIONS To continue two configuration examples You will find more on the web page ea TN mm al I TIT I I II I IL III eCP_3 eCP 3 eCP 20 eCP 3 40 010 1 1000 TA 1 10010 0 10 010 T 1 10 010 00 00000 000 000 0 00 0 0000000 000 055 n 00 00000 000 000 05 T p 00 00000 000 000 055 2 00 00000 000 000 0 y 00 00000 000 0009 00 00000 000 0000r 00 00000 000 000 02 E 00 00000 000 0000 00 00000 000 000 07 00 00000 000 000 055 00 00000 000 0000 00 00000 000 000 0 00 00000 000 000 02 00 00000 000 0000 00 00000 000 000 055 eCP 20
22. rate a multipolar switch with a separation of contact of at least 3mm in each pole Unplug this apparatus during ligtning storms earthquakes or when unused for long periods of time Do not place loudspeakers in proximity to devices sensitive to magnetic fields such as television monitors or data storage magnetic material The appliance should be flown only from the rigging points and by qualified personnel Do not suspend the box from the handles and respect the maximium load values given in the manual No user serviceable parts inside Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Clean only with a dry cloth Do not use any solvent based cleaners Manual del Usuario aero 20A User s Manual 6 GARANTIA Todos nuestros productos estan garantizados por un periodo de 24 meses desde la fecha de compra Las garant as s lo ser n v lidas si son por un defecto de fabricaci n y en ning n caso por un uso incorrecto del producto Las reparaciones en garant a pueden ser realizadas exclusivamente por el fabricante o el servicio de asistencia t cnica autorizado Otros cargos como portes y seguros son a cargo del comprador en todos los casos
23. rom unsafe structures Consult a certified professional if needed All flying accessories that are not supplied by D A S Audio are the user s responsibility Use at your own risk Accessories aero 20A systems are rigged with the accessories AX AERO20 AX Combo2040 and PickUp AX AERO20 if you need another lift motor The platform PL 20S allows the transport of four units Consult the Rigging Manual for information about the accessories more The metal parts are made of steel covered with zinc and painting in black with high resistency screws which act to reinforce the stacking and the rigging Next we name the accessories with images Manual del Usuario aero 20A User s Manual 14 Accessories Consult the Rigging Manual for more information about the accessories Other accessories DASnet rack 26 230V DASnet rack 26 115V 2 patch panel power distro 32Amp 2 patch panel power distro 30Amp European version American version DASnet cables Power Link Plink1_09 number refers to cable length meters EtherCon cable eC Shielded STP CAT7 cable eC_0 9 number refers to cable length meters Cm C EtherCon cable Powercable eCP x Shielded CAT7 cable Ha Power cable 3x2 5mm2 eCP_3 eCP_20 E aero 40A Convert 15A number refers to cable length meters Shielded CAT7 cable eCPk 1 eCPk 5 aL Power cable 3x2 5mm2 number refers to cable length meters Road 12A_net R
24. rted and very loud and LIMIT LED lights up Hum or buzz when a mixer is connected to the unit Hum or buzz when using lighting controls in the same building The ON LED does not light up when the mains connector is connected and the unit is switched to ON 12 SOLUTION 1 Check that the mixer or sound source is sending signal to the UNIT 2 Check that the cable from the sound source to the UNIT is connected correctly Replace the cable if defective 1 If using a mixer use the balanced output if available Use a professional mixer with a hotter output 2 Try to cold the unit turning down the master of the mixer 1 Turn mixer channel gains down Check that none of your signal sources are distorting 1 Turn down the mixer s output 1 Read the appendix of this manual to make a correct un balanced to balanced cable 2 Connect the mixer and the unit to the same mains outlet 3 Use a cable that is as short as possible and or move the audio signal cable away from mains cables 4 Check that there arent pins crossed in CAT cable Possible short between audio par and DASnet signal 5 Make sure that Audio INPUT is not connected in DASnet INPUT and vice versa 1 Move the audio signal cable away from lighting cables Try to find out at what point the noise is leaking into the system 2 Connect the sound system to a different phase than the lights You may need the h
25. three channel high efficiency Class D amplifier design is equipped with a switch mode power supply SMPS and a comprehensive protection package for both the amplifier as well as the components Channel two the mid range with channel three powering the high frequency drivers The aero 20A incorporates the latest in digital signal processors Brick wall FIR filters have been used to provide perfect alignment between ways achieving exceptionally uniform coverage all the way down the crossover point Top of the line AD DA converters have been employed allowing for significant improvements in dynamics lower distortion and ultra low noise levels Remote monitoring and control is provided by way of DASnet the audio management application for D A S powered cabinets and processors The DASnet software offers users instant and intuitive view of the system status as well as control over the range of parameters of a single cabinet or a network of them The aero 20A enclosure is brilliant in design Constructed using birch plywood and finished with the ISO Flex black paint offers excellent protection and durability Two individual assemblies comprising the high frequency waveguide and the carrier of the 12 woofer are made from injection molded aluminum and attached to the front of the cabinet A two piece injected aluminum heat sink housing the amplifier and related electronics is attached to the rear of the cabinet A robust steel grille with a powde
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