Peavey Mixer User's Manual
Contents
1. LINE OUT This is an auxiliary unbalanced line level output This signal is after the last gain stage at an identical point of the MAIN OUT POWER SWITCH Applies mains power supply from the A C POWER RECEPTACLE A C POWER RECEPTACLE For standard IEC power cable included HTTP A 7AA PEAVEY COM COPYRIGHT 2000 ALL RIGHTS RESERVED INSTALLATION Installation PEAVEY ELECTRONICS CORP The Automix 4 is designed to be installed in a standard EIA equipment rack Since the depth of the unit is only 9 3 8 you can use practically any size rack Using only a single EIA rack space the Automix 4 includes integral rack mounting ears and does not require any additional hardware for rack mounting other than the rack screws All connections for the Automix 4 are made on the rear panel It is recom mended that you provide an additional 4 inches of clearance between the rear of the chassis and the interior rear of your equipment rack for wiring harnesses Since every connection to the Automix 4 is easy to disconnect the unit can be removed from an equipment rack easily without having to disturb fixed wiring harnesses Although the Automix 4 does not generate enough heat to warrant forced air or convection cooling it is recommended that you provide a single rack space vent above and below the unit when rack mounting Using common sense when installing this unit will ensure that it will provide years of trou ble free service In ins2. ARCHITECTURAL ACOUSTICS AUTOMIX 4 FOUR CHANNEL MINI AUTOMATIC MIXER USER MANUAL FPELVEY ARCHITECTURAL ACOUSTICS enclosure that be of sufficient magnitude to constitute a risk of electric shock to persons Intended to alert the user to the presence of uninsulated dangerous voltage within the product s Intended to alert the user of the presence of important operating and maintenance servicing A instructions in the literature accompanying the product CAUTION Risk of electrical shock DO NOT OPEN CAUTION To reduce the risk of electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel WARNING To prevent electrical shock or fire hazard do not expose this appliance to rain or moisture Before using this appliance read the operating guide for further warnings Este s mbolo tiene el prop sito de alertar al usuario de la presencia de voltaje peligroso sin ais lamiento dentro de la caja del producto y que puede tener una magnitud suficiente como para constituir riesgo de descarga el ctrica A Este s mbolo tiene el prop sito de alertar al usario de la presencia de instruccones importantes sobre la operaci n y mantenimiento en la informaci n que viene con el producto PRECAUCION Riesgo de descarga el ctrica jNO ABRIR PRECAUCION Para disminu r el riesgo de descarga el ctrica no abra la cubierta No hay piezas utiles dentro D
3. Peavey Electronics Corp Architectural Acoustics Division 711 A St Meridian MS 39301 USA Phone 601 483 5376 Fax 601 486 1678 Website http aa peavey com Please take a few minutes and fill out the warranty registration card for your Automix 4 Although your warranty is valid without the registration the information you provide with the form is crucial to our support group It enables us to provide better service and customer support and to keep you informed of new product updates Refer to the warranty statement on the back page of this manual for details about what your warranty includes and what the limitations are HTTP A 7AA PEAVEY COM COPYRIGHT 2000 ALL RIGHTS RESERVED SPECIFICATIONS Specifications MECHANICAL Dimensions H x W x D 1 75 x 19 x 9 38 45 mm x 483 mm x 238 mm Weight 7 5 lbs 3 4 kg Mounting Single EIA Space Rack Mount Connections Removable Euro Connectors for single Channel audio inputs outputs and bus link IEC receptacle for AC power PERFORMANCE Test Conditions 120 Vrms 60 Hz line voltage maintained throughout testing Reference 0 dBu 0 775 Vrms INPUT SPECIFICATIONS Equivalent Input Noise 128 dBu Rs 150 Ohms typical Preamp Gain Range 10 dB 65 dB MIC inputs 13 dB 44 dB LINE inputs Input Impedance 2K Ohms MIC inputs Ohms LINE inputs Ohms INSERT inputs Priority Channels 1 and 2 0 dB to 9 dB Phantom Power 48 Vo
4. However the paging is annoying to the main seating areas where people are eating This configuration provides separate feeds for both the waiting areas and the main restaurant using the direct output feature Also by using a two Channel compressor limiter the dynamics of the paging audio can be controlled keep the level constant and unobtrusive Dual Comp Limiter EE pex B nex B Channel Insert Out In Main Music Source BGM Bar Page Hostess Page 2 jJ ALITCIMIX 4 a LEAVE En T ar e B E ce I CHANNEL MINI AUTOMATIC MIXER MUTE qerem L MUTE m OUP e ARCHITECTURAL ACOUSTICS5 20 o oue power Edi us parno sezao 0 DESIGNED AND NADE IN U A Main Seating Area Banquet Room Lobby amp Waiting Area Bar System Features Overall mix of paging microphones and background music feeds the areas where people are waiting for a table The main seating area has music only from Channel fours direct output Channels 1 amp 2 INSERT feature used for an outboard compressor limiter Since the microphones use Channels 1 and 2 the manager can easily mute each mic by using the front panel mute button The music source is connected to Channel 4 so adjustment of the volume cannot be easily altered by meddling hands There is no mute button on this Channel and the level control is recessed and requires a tool to adjust The Channel 4 INS SWITC
5. In addition the Channel Clip LED should not be red This LED illuminates red when the signal level is at clipping Speak loudly into the microphone and watch the action of the CLIP LED on the Master Meter and the input Channel It is OK for these LED s to flash red on occasion If they stay red however the Gain Control is set too high Reduce the 20 0 CLIP POWER amount of input gain until the red Clip LED flashes only occasionally when high audio levels occur You will have to Figure 8 Master Meters use your own judgement to properly determine an acceptable level If the Gain Control is set too low you will not have enough level at the microphone input and your noise floor will increase Follow this procedure for each input to ensure proper gain structure After these adjustments are made make sure you monitor the front panel LED s and meters during normal use Take note of the action of the Channel Clip LED s Under normal operation you should see lots of green but it is not unusu al to see occasional flashes of red Constant red however indicates that a gain setting is improperly adjusted and should be reset using the above procedure One of the most powerful features of the Automix 4 is the patented priority circuit Channel 1 and 2 include a Priority Control which allows these inputs to take precedence over other Channels Turning this control clockwise will increase the amount of priority that its respective Channel 1 and
6. write to Peavey Electronics Corp Architectural Acoustics Division 711 A St Meridian MS 39301 Thank you again for using Peavey What s In The Box The Automix 4 is packaged in a single container This container includes the following items 1 Automix 4 Mini Automatic Mixer 1 IEC removable power supply line cord 120VAC Domestic 230VAC Export 5 Five screw Euro connectors 5 Three screw Euro connectors 1 Metal front panel security cover 1 User Manual Literature Package 4 Rubber feet Asterisk indicates that these items are shipped installed on the Automix 4 If any of these items are missing please contact your Authorized Peavey Architectural Acoustics contractor dealer Description The Automix 4 is a professional Automatic Microphone audio mixer intend ed for fixed installation applications This single rack mount package is designed to provide high quality audio performance and easy to use controls Engineered from the ground up with the commercial sound systems contrac tor in mind the Automix 4 includes removable screw connectors for easy installation and cost effective servicing as well as limited front panel user control PEAVEY ELECTRONICS CORP PAGE 5 Features PAGE 6 AUTOMIX 4 USER MANUAL Patented Priority Control circuitry Single rack space package Four microphone inputs LED Clip status indicator on each Channel 48 volt phantom power on each input switchable on Channels 1
7. amp 2 Recessed gain control for each Channel Channels 1 amp 2 each have priority assign control Channels 1 amp 2 each have front panel mute button Front panel master level meter three segment LED Line level inserts on each Channel Insert enable bypass switch on each Channel Gain management computer logic for seamless automatic operation Audio and control bus linking Rear panel Master Slave linking mode switch Master balanced output Mic or line level master output with switch Unbalanced aux out Removable Euro connectors for all audio connections Rear panel power switch Removable IEC power cable The Automix 4 provides high quality audio operation a simple inter face and an easy to install package For hands free operation in new and existing sound systems the Automix 4 makes sound system opera tion easy and reliable When using multiple microphones gain control becomes essential As additional mics are turned on the levels of other active mics must be reduced to prevent feedback The Automix 4 gain computer continu ously senses the signal from each mic and quickly distributes the avail able gain among the Channels in use so that you won t miss a single word Using Peavey s patented US Patent number 5 652 800 priority circuitry the Automix 4 eliminates the irritating comb filtering that often occurs when a person speaking into a wireless lapel mic moves close to an active podium
8. or 2 has over Channels 3 and 4 So if a Channel s priority con trol is adjusted more clockwise than the other that Channel has the highest priority in the system followed by the other Channel then Channels 3 and 4 Turning this control fully counterclockwise will disable the priority feature complete ly Please note that this control is not an end user adjustment Setting this control should only be made by a qualified sound engineer or system technician PAGE 14 COPYRIGHT 2000 ALL RIGHTS RESERVED CONFIGURATION ns The next step is to configure the Automix 475 rear panel Owns switches for your application Although the unit is shipped from the factory with default switch values you should make sure that these settings are correct for YOUR application Let s take a look at each one and describe their functionality INS BYPASS O INS ENABLE rz First there the Channels 1 4 Insert Bypass Enable switch es These switches determine the routing of the input Channel s audio path In the Bypass position the signal is not altered and is sent from the Channel s output to the master summing bus EES This is normal operation In the Enable position the signal ERE from the Channel is broken You can tap this signal at the INS Figure 9 Input Channel Connections and Phantom Power Switch OUT connector for use with external equipment This signal NOTE Phantom power is switchable only on Ch
9. Also the line level position is normally used for driving long wire runs for use in press distribution feeds and tie lines to other line level audio equipment Please take care in the setting of the MIC LINE switch Proper operation and maximum audio performance cannot be obtained if the level of the main output is not optimized for the equipment to which it is connected For information on the actual signal levels from this output please refer to the specifications section in this manual NOTE The Line Out terminals are not affected by the position of the MIC LINE switch Finally there is the Slave Master switch This switch is used in conjunction with the Channel link connector for com bining multiple Automix 4 mixers in larger systems The default position of this switch is Master In the Slave posi tion the Automix 4 will act as an expansion unit to a Master enabled Automix 4 All linked units will contain a mixed output with all inputs on the bus See the connections section for more information on combining multiple Automix 4 s PEAVEY ELECTRONICS CORP PAGE 15 AUTOMIX 4 USER MANUAL Restaurant The Automix 4 works very well in restaurant environments since the gain management functionality provides an easy way to set up microphones and not have to worry about levels or feedback In this example there are two paging microphones and a background music source The areas where patrons are waiting for a table require voice paging
10. Dealer Who This Warranty Protects This Warranty protects only the original retail purchaser of the product How Long This Warranty Lasts The Warranty begins on the date of purchase by the original retail purchaser The duration of the Warranty is as follows MediaMatrix DPU Excluding Frames Cinema Processors Power Amplifiers Pre Amplifiers Mixers Electronic Crossovers and Equalizers 2 years 3 years Loudspeakers 3 years 2 years Microphones 2 years Speaker Components including speakers baskets drivers diaphragm replacement kits and passive crossovers and all Accessories 90 days denotes additional warranty period applicable if optional Warranty Registration Card is completed and returned to Peavey by original retail purchaser within 90 days of purchase What Peavey Will Do We will repair or replace at Peavey s discretion products covered by warranty at no charge for labor or materials If the product or component must be shipped to Peavey for warranty service the consumer must pay initial shipping charges If the repairs are covered by warranty Peavey will pay the return shipping charges How To Get Warranty Service 1 Take the defective item and your sales receipt or other proof of date of purchase to your Authorized Peavey Dealer or Authorized Peavey Service Center OR 2 Ship the defective item prepaid to Peavey Electronics Corporation International Service Center 412 Highway 11 amp 80 East M
11. H is set for BYPASS so the CD player s Channel feeds the direct output AND the main output simultaneously PAGE 16 COPYRIGHT 2000 ALL RIGHTS RESERVED APPLICATIONS Airport Gate Area Small airport facility In an airport gate area the sound system is often a stand alone system that has feeds from the concourse system as well as the airport wide system In the gate area several levels of priority exist Mainly emergency and critical announcements take priority followed by local gate activity and concourse pages This system is typically duplicated at each gate in the concourse In this example we show how this works easily with the Automix 4 Concourse Page Gate Ramp Entrance Gate Podium Airport Wide AUTONIX 4 A AZTEAVEY DI cup d 4 CHANNEL MINI AUTOMATIC MIXER MUTE vo 2 42 MUTE kA 2 c C E ACOUSTICS 9 ze o oue POWER CHANNEL 7 CHANNEL 2 CHANNEL 29 E a gt Main Insert Outputs Adjacent Concourse Gate Area Summing Amplifier System Features The Automix 4 provides audio for the gate s adjacent concourse area as well as the seating area for the gate All concourse and airport wide signals feed this zone The Gate Podium and the Airport E Page have priority over the Ramp and Concourse page Only the Gate page signals Podium and Ramp are fed to the gate area via the INS outputs These signals still h
12. IN CH2 MIC IN PREAMP INS OUT MUTE INSERT d GND BYPASS GND LINE IN ENABLE INS IN PAD LINE IN GAN PRIORITY COMPUTER 77 Se INS OUT cup INSERT CH3 BYPASS GND MIC IN m ENABLE INS IN MIC IN VCA 77 GND LINE IN SAN CH4 LINE IN COMPUTER INSERT INS OUT BYPASS GND ENABLE INS IN c CLIP CH4 CLIP MIC IN MIC IN PREAMP VCA ei 0 OUT LINE IN LINE COM S PAD LINE IN GAIN GAIN 20 O GND COMPUTER gt lour O OUT Bp MASTER COMPUTER 77 MIC LINE BUS LINK AUTOMIX 4 BLOCK DIAGRAM 1 c Bus rm O SHD O 5 4 Figure 11 Automix 4 Functional Block Diagram HTTP 7 7AA PEAVEY COM COPYRIGHT 2000 ALL RIGHTS RESERVED PAGE 22 WARRANTY STATEMENT Architectural Acoustics PEAVEY ELECTRONICS CORPORATION LIMITED WARRANTY Effective Date July 1 1998 What This Warranty Covers Your Peavey Warranty covers defects in material and workmanship in Peavey products purchased and serviced in the U S A and Canada What This Warranty Does Not Cover The Warranty does not cover 1 damage caused by accident misuse abuse improper installation or operation rental product modification or neglect 2 damage occurring during shipment 3 damage caused by repair or service performed by persons not authorized by Peavey 4 products on which the serial number has been altered defaced or removed 5 products not purchased from an Authorized Peavey
13. Output Figure 3 Master Output Connections The LINK feature provides functionality to combine multiple Automix 4 s into a larger system The link circuitry is designed to allow for separate combine circuits for the audio and control buses When multiple units are combined and both the audio and control busses are linked the gain management feature is unified between all units thereby providing a larger automatic mixer The main output would be derived from the master unit while secondary outputs from the slaves could be used for secondary or monitor feeds MASTER The LINK switch determines whether the MASTER Automix 4 is a master or slave in the system For best results only one master should be used in a typical system For proper operation all SLAVE units MUST have both buses linked to the MASTER unit NOTE The link bus connec tions are unbalanced and their cabling should not exceed six feet Use only shielded cable Figure 4 Linking Multiple Automix 4 PEAVEY ELECTRONICS CORP PAGE 11 AUTOMIX 4 USER MANUAL Each Channel of the Automix 4 has an insert connection that has several uses for connecting external components The follow ing examples and connection diagrams illustrate the most common method of using this powerful feature For proper automat ic mixing the signal gain of the external component MUST be 0 db unity NOTE These connections are unbalanced Care should be taken when considering the distance type
14. annels 1 amp 2 is also available in the Bypass position acting as a direct line output When the Enable position is used no audio from the Channel will be present at the Master Output until a return path is configured See the Connections section for more information Next is the Channel 1 amp 2 Phantom Power switch This switch determines if the Automix 4 s internal 48V DC phan tom power is applied to the microphone input terminals on input Channel 1 or 2 If you are using condenser micro phones you must insure that this switch is in the ON position Channels 3 amp 4 do not have this switch and the 48VDC phantom power is always applied MASTER INSTALLER LINE amp gt JONTAGE eorr 5 The primary output of the Automix 4 appears at the N 5 balanced output labeled OUT and GND terminals The MIC LINE switch adjacent to the output determines the nominal level of this main output In the MIC position the main output of the Automix 4 is at mic level which is suitable for driv ing other mic level inputs such as those found on RIDIAN MS DESIGNED AND MADE IN U S A mixers Additionally using the output at mic level provides a good signal for driving tape recorders or Figure 10 Master Output and Link Connections and Mode Switches video equipment When the switch is in the LINE position the Automix 4 output is at line level suitable for driving power amplifiers signal processing equipment etc
15. ave automat ic mixing enabled so if both mics are on at the same time feedback and gain concerns are eliminated This configuration is simple and reliable By duplicating this at each gate and distributing the concourse and airport wide signals across all gates a very powerful and cost effective airport paging system can be implemented PEAVEY ELECTRONICS CORP PAGE 17 AUTOMIX 4 USER MANUAL Courtroom In this example we need eight microphones for this courtroom project Using the Automix 4 s Bus Link feature we can easily create a larger automatic mixer The main output feeds the power amplifiers which drive the reinforcement loudspeakers Prosecution qq Defense Witness CC Jury Foreman AUTOMIX 4 pe 2 i D EE EEE xun UR x ARGHITEGTURAL HEYA GAIN ACOUSTICS 9 4 20 0 cue POWER qe PEERS 7 me 2 27 DESIGNED AND MADE IN U S A Clerk dE Bus Link Portable Court Reporter CC Judge Judy EE T SIN E geet 4 CHANNEL MINI AUTOMATIC MIXER e i ow ARCHITECTURAL C gt ACOUSTICS 20 0 CUP POWER mes mme sezao gum mme 22 cue 27 Cuwa lt 2 DESIGNED AND NADE IN U SA Courtroom lt Main Gallery System Features Fight microphone inputs The Judge Court Reporter Witness and Jury Foreman have priority enabled Channels thereby attenuating the other microphones Bu
16. cations the default mode selects the Automix 4 enabling the most common microphones for system use When the console operator activates console control the logic routes the console s output to the system processing and amplifiers bypassing the Automix 4 The Priority control provides ducking of the fixed microphones so that comb filtering caused by multiple time arrivals is reduced PEAVEY ELECTRONICS CORP PAGE 19 Technical Support Warranty Registration PAGE 20 AUTOMIX 4 USER MANUAL Peavey has an extensive Technical Services Group that provides tech sup port repair and implementation services If you require assistance with your new Automix 4 you can get help from several sources There are many tech nical documents white papers and application notes on our website as well as brochures data sheets and our newsletter Audio Interactive published monthly Also on our website are message board forums that include ques tions and answers on all audio topics This forum is a great way to learn more about audio Peavey products and system design from other audio pro fessionals around the world You can also get help by sending us an e mail or posting a request on the message board Finally if you still cannot get the information you need don t hesitate to call us We have extensive phone support services and will be happy to assist you The contact information for the Architectural Acoustics Division is shown below
17. dicates if the Channel is muted from the front panel mute switch 4 MUTE SWITCH Channels 1 amp 2 only This switch mutes the audio from the selected Channel When this switch is in no audio passes from the input stage to the mix bus or gain computer circuits 5 CHANNEL LABEL This is a re writable surface area for Channel labels 6 MASTER OUTPUT METER This meter is a three segment LED display that provides visual indication of audio levels at the 20 db 0 db and clipping 7 POWER LED This illuminates when mains power is supplied to the unit and the rear panel power switch is in the ON position PEAVEY ELECTRONICS CORP PAGE 7 Rear Panel Features MONTAG ENT 120 _60 Hz 15 5 POWER O AUTOMIX 4 USER MANUAL 3 MOUNT IN RACK ONLY INSTALLER MASTER INS BYPASS CHANNEL F Bes BYPASS CHANNEL F BYPASS CHANNEL 22 NS BYPASS CHANNEL 7 SUR bee LE E stave INS ENABLE 1 5 ENABLE 48V PHANTOM POWER A DIVISION PEAVEY ELECTRONICS MERIDIAN MS DES 3NED A 9 MADE U S A d d CHAN 1512 12 ll 1 2 7 PAGE 8 MIC IN Balanced microphone level input on removable Euro connector LINE IN Balanced line level input on removable Euro connector Both the mic and line inputs feed the same gain stage but the line input terminals include a pad to accommodate line level signals INSERT IN OUT This is a unbalanced direct out and bus in c
18. e below is typical of mic or line level connections Only the LINE connection is shown for clarity INS BYPASS CHANNEL 22 INS ENABLE Insert jumper wire between the negative and shield pins for un balanced circuits NOTE On Channels 3 amp 4 48VDC phan tom power is constantly supplied to the microphone inputs Therefore an un bal anced microphone connection is not pos sible on these Channels This does not apply to the Line inputs however Un Balanced Line Level Input NOTE Unbalanced signal sources should e located within approximately six inches of the Automix 4 Figure 2 Unbalanced Audio Input Connections PAGE 10 COPYRIGHT 2000 ALL RIGHTS RESERVED CONNECTIONS The master output section features two independent sets of outputs both from the final gain stage of the Automix 4 Normally the main outputs that would be used to drive the primary power amplifier would come from the balanced output The second ary output labeled LINE OUT is un balanced Both outputs can be used simultaneously INSTALLER JONTAGE The MIC LINE switch determines whether the balanced output is nominally at microphone level or line level For driving power amplifiers this switch should be in the LINE position NOTE This applies ONLY to the balanced output NOT the LINE OUT RIDIAN Mi DESISNI D AND MADE Balanced Line or Mic Output AND Unbalanced Line
19. eje todo mantenimiento en manos del personal t cnico cualificado ADVERTENCIA Para evitar descargas el ctricas o peligro de incendio no deje expuesto a la lluvia o humedad este aparato Antes de usar este aparato lea m s advertencias en la gu a de operaci n pouvant tre d amplitude suffisante pour constituer un risque de choc lectrique Ce symbole est utilis dans ce manuel pour indiquer l utilisateur qu il ou qu elle trouvera d importantes instructions concernant l utilisation et l entretien de l appareil dans le paragraphe signal Ce symbole est utilis dans ce manuel pour indiquer l utilisateur la pr sence d une tension dangereuse ATTENTION Risques de choc lectrique NE PAS OUVRIR ATTENTION Afin de r duire le risque de choc lectrique ne pas enlever le couvercle ne se trouve l int rieur aucune pi ce pouvant tre repar e par l utilisateur Confiez l entretien et la r paration de l appareil un r parateur Peavey agr AVERTISSEMENT Afin de pr venir les risques de d charge lectrique ou de feu n exposez pas cet appareil la pluie ou l humidit Avant d utiliser cet appareil lisez attentivement les avertissements suppl mentaires de ce manuel warnen die von Ausreichender Starke sind um einen elektrischen Schlag verursachen zu k nnen Dieses Symbol soll den Anwender vor unisolierten gefahrlichen Spannungen innerhalb des Gehauses Dieses Symbol soll den Benutzer auf wich
20. eridian MS 39301 or Peavey Canada Ltd 95 Shields Court Markham Ontario Canada L3R 9T5 Include a detailed description of the problem together with a copy of your sales receipt or other proof of date of purchase as evidence of warranty coverage Also provide a complete return address OR 3 All MediaMatrix Frames needing repair should be shipped prepaid to Peavey Electronics Corporation International Service Center 412 Highway 11 amp 80 East Meridian MS 39301 Limitation of Implied Warranties ANY IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIM ITED IN DURATION TO THE LENGTH OF THIS WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you Exclusions of Damages PEAVEY S LIABILITY FOR ANY DEFECTIVE PRODUCT IS LIMITED TO THE REPAIR OR REPLACEMENT OF THE PRODUCT AT PEAVEY S OPTION IF WE ELECT TO REPLACE THE PRODUCT THE REPLACEMENT MAY BE A RECONDITIONED UNIT PEAVEY SHALL NOT BE LIABLE FOR DAMAGES BASED ON INCONVENIENCE LOSS OF USE LOST PROFITS LOST SAVINGS DAMAGE TO ANY OTHER EQUIP MENT OR OTHER ITEMS AT THE SITE OF USE OR ANY OTHER DAMAGES WHETHER INCIDENTAL CONSEQUENTIAL OR OTHERWISE EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to
21. ircuit The GND connector is common to both the INS OUT and INS points The output is after the last gain stage just before the summing bus The input is a direct path to the summing bus INS BYPASS INS ENABLE Used in conjunction with the INSERT IN OUT terminals this switch determines the internal connection between these points In bypass mode the signal will pass through without any modification In enable mode the signal is broken to allow for connection of an external device PHANTOM POWER SWITCH This switch applies 48VDC phantom power to the micro phone terminals of Channel 1 amp 2 LINK CONNECTOR This three position connector allows multiple units to be linked together for larger systems The C connector links two or more control bus circuits The A connector links two or more audio bus circuits SHD is common to both LINK SWITCH This switch in conjunction with the LINK CONNECTOR enables linking of multiple units Proper operation is a single Master and multiple Slave units MIC LINE SWITCH Determines the level of the main output In line mode the output will drive power amplifiers In the mic mode the output will drive other mic level input circuits MAIN OUT The output of the Automix 4 s summing bus The level of this output is deter mined by the position of the MIC LINE SWITCH and each input s GAIN control This is an electronically balanced output with a common ground
22. llectual property is Copyright 2000 Peavey Electronics Corporation All Rights Reserved Manual by WR AUTOMIX 4 USER MANUAL Table Of Contents Thank You PAGE A COPYRIGHT 2000 ALL RIGHTS RESERVED WELCOME Thank You Thank you for purchasing the Automix 4 Mini Automatic Mixer This prod uct is designed to provide years of trouble free operation and high quality audio performance We sincerely hope that you enjoy your new Automix 4 and will find other products in the Peavey Architectural Acoustics product line to supplement your new mixer We are confident that you will find the Automix 4 as well as other Architectural Acoustics products to be of the highest quality available This manual was written to provide as much information as possible for your new Peavey Architectural Acoustics product It is our sincere desire that you enjoy your purchase We feel that the best way to fully enjoy any purchase is to have an in depth understanding of the product s features functionality and performance characteristics We hope that this manual along with the manuals of our other products will provide this If you require additional information that this manual does not provide please let us know We are always looking for better ways to provide information about our products and your input is always appreciated If you have a comment about this manual or would like to make a suggestion please
23. lts Input Sensitivity MIC Inputs 61 dBu LINE Inputs 40 dBu INSERT Inputs 4 dBu Maximum Input Level MIC Inputs 12 dBu LINE Inputs 30 dBu INSERT Inputs 21 dBu Common Mode Rejection gt 70 dB 20 Hz 20 kHz GENERAL SPECIFICATIONS Channel Clip LED Red LED lights 2 dB before clipping Also lights to indicate mute on Channel 1 and 2 inputs Output Level Indicators Red LED lights 2 dB before clipping PEAVEY ELECTRONICS CORP OUTPUT SPECIFICATIONS Frequency Response 75 Hz 3 dB to 20 kHz 1 dB at 4 dBu ref 1 kHz 75 Hz HPF THD 01 at 4 dBu 22 Hz 22 kHz Signal Noise Rs 150 ohms 30 kHz LPF gt 85 dB all controls fully CCW Output Impedance lt 200 Ohms Nominal Output Level LINE Level Output 4 dBu MIC Level Output 26 dBu INSERT Outputs 4 dBu Maximum Output Level LINE Level Output 21 dBu Hi Z load 18 dBu 600 load MIC Level Output 9 dBu Hi Z load 12 dBu 600 load INSERT Outputs 21 dBu Hi Z load Yellow LED lights at 4 dBu Green LED lights at 16 dBu Power Requirements 120 V RMS 60 Hz Domestic 230 V RMS 50 60 Hz Export 15 watts nominal PAGE 21 AUTOMIX 4 USER MANUAL O 48V Phantom CLIP MIC IN MIC IN INSERT INS QUT GND BYPASS O GND LINE IN GAIN ENABLE INS IN LINE IN PRIORITY COMPUTER MIC
24. mic With the addition of the Automix 4 s ability to link multiple units this unit provides even more flexibility for a wide range of applications Churches Synagogues amp Meeting Rooms Religious Centers Convention Centers Presentation Rooms Paging Board Rooms Background Music Courtrooms Retail Spaces Auditorium Cafetorium Restaurant Bar Sound Lecture Hall Sound Reinforcement This manual will show how some of these applications fit into the Automix 4 s feature set and how you can maximize your system designs To fully grasp all of the functionality and possible uses of the Automix 4 please refer to the Applications section later in this manual HTTP Z AA PEAVEY COM COPYRIGHT 2000 ALL RIGHTS RESERVED PANEL FEATURES Front Panel Features shown with security cover removed AUTOMIX 4 e A Par i BG 4 CHANNEL MINI AUTOMATIC MIXER gt MUTE gt S MUTE m CLIP N CLIP ARCHITECTURAL can GAIN GAIN ACOUSTICS 20 0 OLIP POWER DESIGNED AND MADE IN U S A 25 BUILT UNDER U S PATENT NO 5 652 800 SHANNEN 7 AA CHANNELS 1 PRIORITY CONTROL This control found only on Channels 1 amp 2 adjusts the amount of pri ority to the Channel and how it acts on the auto mix bus 2 GAIN CONTROL Adjusts the gain of the first preamplifier stage 3 CLIP MUTE LED This red LED indicates the clipping conditions of the input Channel s first gain stage On Channels 1 amp 2 it also in
25. n does not interfere with proper ventilation This product should not be installed or placed near a source of heat Power supply cords and associated connectors should be unplugged from the power source when the unit is not used for long periods of time or will be stored If this product is to be mounted in an equipment rack install rear support if required by the rack manufacturer Care should be taken to ensure that the installation is clear of possible sources of contamination Make sure that the product s ventilation openings are not exposed to possible sources of liquid gases or other contaminant This product should be inspected by a qualified service technician if the power supply cord or con nector has been damaged if the unit has been dropped or if a foreign substance has gained access to the interior electronic and electrical components A A A A A A A A A A The information contained in this manual is subject to change without notice Peavey Electronics is not liable for improper installation or configuration The information contained herein is intended only as an aid to qualified personnel in the design installation and maintenance of engineered audio systems The installing contractor or end user is ultimately responsible for the successful implementation of these systems All creative content in this manual including the layout art design content photography drawings specifi cations and all other inte
26. of wire and type of external connection INS BYPASS QO INS ENABLE CHANNEL aj This example shows a loop to an external device such as an equalizer or compressor The INS OUT connection is made after the Channel s automatic gain stage and just before the summing stage To enable this feature the INS BYPASS ENABLE switch must be in the ENABLE mode 48V PHANTOM POWER Line In From external component s line Shield output Shield To external com ponent s line Line Out input Figure 5 Typical Insert Wiring In this example the link switch is in it s normal BYPASS mode The INS OUT connector provides a tap of the Channel s automatically processed output signal just before the summing bus When configuring the Automix 4 with direct outputs the master balanced output and the master line output are still active E INS BYPASS CHANNEL 7 QO INS ENABLE You can also use this feature to provide four direct outputs one for each Channel In this example the INS BYPASS ENABLE switch should be in BYPASS mode 48V PHANTOM POWER Direct Channel Output Figure 6 Direct Channel Out Wiring PAGE 12 COPYRIGHT 2000 ALL RIGHTS RESERVED CONNECTIONS THIS PAGE LEFT INTENTIONALLY BLANK PEAVEY ELECTRONICS CORP PAGE 13 AUTOMIX 4 USER MANUAL Configuration Since the Automix 4 is an analog product there is not a lot of configuration to wo
27. rry about No software no data cables no networks and no headaches However there are a few things to remember while you begin to use your new Automix 4 mixer The Automix 4 is shipped from the factory ready to go You should be able to follow the steps below and get audio through the unit The first step is to calibrate your gain settings for the inputs Each microphone input has a Gain Control and a Clip LED These in conjunction with the Master Meter work together to provide a visual indication of the Channel s gain behavior To properly adjust the Automix 4 for optimal performance follow these simple steps for each input Channel Connect a microphone to any of the inputs For proper operation use only low impedance balanced three wire microphones CHANNEL 1 Adjust the Channel Gain Control to its minimum position or fully counterclockwise for the Channel you are working on It is Figure 7 Input Channel Controls Typical of Channel 1 and 2 important to use a properly sized Phillips head screwdriver for Channels 3 and 4 do not include the Priority Control this adjustment Take care not to force the control or damage may occur Apply an audio signal to the input by speaking into a micro phone at a nominal level While monitoring the master Level Meters slowly adjust the Gain Control clockwise while audio is present Keep turning the control until the Level Meters are indicating nominal level at the OdB LED on the meter
28. s Link feature provides seamless combining of two mixers PAGE 18 COPYRIGHT 2000 ALL RIGHTS RESERVED APPLICATIONS House of Worship Frequently when designing systems for churches or other houses of worship the sound system must accommodate multiple methods of operation This example is typical when a large console is employed yet the system still requires a simple operation method when a console operator is not available or needed When the facility is used for meetings a small wedding or other application that requires only a few microphones the Automix 4 can be easily implemented using this example An added feature is the use of the Priority control on the Automix 4 s first and second inputs This feature allows for the fixed microphones to be attenuated by the action of the wireless mic as the talker approaches This insures maximum performance by reducing or eliminating comb filtering from adjacent microphones Pulpit Lectern Pastor s Wireless Music Minister s Wireless ALITCIMIX 4 a S E ZEAEY ACOUSTICS ERES BEE am Channel Insert Out To System gt Processing amp Amplifiers 2 12 a e a System Features Four dedicated inputs feed the Automix 4 and simultaneously via the Insert Out connector feed the house console The relay logic selects between the Automix 4 and the console For simple appli
29. tallations where there are multiple power amplifiers it is further recommended that the Automix 4 be located toward the top of the rack while power amplifiers remain near the bottom This is generally con sidered to be standard rack design in the commercial audio industry Following this convention will ensure adequate rack cooling and reliable operation from the Automix 4 PAGE 9 AUTOMIX 4 USER MANUAL Connections The inputs to the Automix 4 are balanced This means that there are three wires for each connection a positive negative and shield These should be connected to each pin accordingly Also each input has mic level connections AND line level connec tions However only one set can be used at a time Both connections feed the same gain stage B INS BYPASS Q INS ENABLE CHANNEL 2 7 tom power is constantly supplied to the microphone inputs Take care when con necting microphone signals These connec tions should be made only when power to the Automix 4 is OFF T NOTE On Channels 3 amp 4 48VDC phan Balance Line Input Figure 1 Balanced Audio Input Connections Balanced Mic Input OR For unbalanced connections the GND and negative terminals must be bridged with a jumper This jumper should be installed on the connector side not the receptacle side of the connector When un balancing a mic connection the phantom power must be OFF The exampl
30. tige Instruktionen in der Bedienungsanleitung aufmerksam machen die Handhabung und Wartung des Produkts betreffen VORSICHT Risiko Elektrischer Schlag Nicht ffnen VORSICHT Um das Risiko eines elektrischen Schlages zu vermeiden nicht die Abdeckung enfernen Es befinden sich keine Teile darin die vom Anwender repariert werden k nnten Reparaturen nur von qualifiziertem Fachpersonal durchf hren lassen ACHTUNG Um einen elektrischen Schlag oder Feuergefahr zu vermeiden sollte dieses Gerat nicht dem Regen oder Feuchtigkeit ausgesetzt werden Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen GENERAL CAUTIONS AND WARNINGS To prevent electrical shock or potential fire hazards do not expose the Automix 4 to moisture or rain Before using this product read the user manuals for further warnings and cautions The following cautions should be carefully observed when installing wiring or using this product DO NOT use any other power supply or cable other than the one provided with this unit DO NOT remove the top cover of the unit There are no user serviceable parts inside Refer service to qualified personnel DO NOT use solvents or other cleaners to clean the unit Basic external care requires only a damp cloth Disconnect the power supply cord before cleaning Read all safety and installation instructions and retain all documentation for further reference The Automix 4 should be installed so that its mounting positio
31. you This Warranty gives you specific legal rights and you may also have other rights which vary from state to state If you have any questions about this warranty or service received or if you need assistance in locating an Authorized Service Center please con tact the Peavey International Service Center at 601 483 5365 Peavey Canada Ltd at 905 475 2578 Features and specifications subject to change without notice PEAVEY ELECTRONICS CORP PAGE 23 ARCHITECTURAL ACOUSTICS Features and specifications subject to change without notice A product of Peavey Electronics Corporation 711 A Street Meridian MS 39301 USA 601 483 5376 FAX 601 486 1678 http aa peavey com 80304775 Copyright 2000 All Rights Reserved Printed in USA 9 2000
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