4. control elements
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1. Turn down all controls as suggested above Only at this stage connect the supplied AC Adaptor to the mixer and to the AC Outlet You should also plug in into the AC outlet the other components of your Sound systems such as amplifiers powered speakers sound processors etc Make sure that the AC outlet are properly grounded and able to deliver enough current e Now turn on all the power switches and leave the amplifier switch for last e At this point turn up of a quarter the MAIN MIX giant blue knob and you are ready to set the other levels 3 LEVEL SETTING FOR THE MIC LINE CHANNEL e Connect a dynamic microphone or a line level instrument as described above Sing in the microphone at normal volume or play the instrument at normal level e While singing or playing turn up the relative gain TRIM so that the PEAK LED next to the LEVEL control starts blinking e Now start to raise the channel LEVEL until you hear your noise comfortably e f you like you can use the EQ on the MIC channel to adjust high and low frequencies e Now you can turn up the big blue MAIN MIX control for a listening level you are comfortable with 4 LEVEL SETTING FOR THE STEREO LINE CHANNELS e Play a mono or stereo instrument connected to the LINE IN jacks e Now turn up the instrument output level control until the PEAK LED next to The LEVEL control starts blinking e Turn up the LEVEL control until is about equal in volume to the microphone Connected to C2. A Downloaded from www Manualslib com manuals search engine 5 QUICK START AND CONNECTIONS OK you have got to this point and you are now in the position to successfully operate your AMX 80 However we advise you to read carefully the following section to get the best out of your AMX 80 Not paying enough attention to the input signal level to the routing of the signal and the assignment of the signal will result in unwanted distortion a corrupted signal or no sound at all So you should follow these procedures before operation 1 2 3 Before connecting microphones or instruments make sure that the power of all your systems components including the AMX 80 is turned off Also make sure that all input and output controls are turned down This will avoid damage to your speakers and excessive noise Properly connect all external equipment such as microphone power amplifier speakers etc Now turn on the power of any peripheral devices then connect the 18VAC power supply to your AMX 80 and to the AC socket NOTE The power amplifier or powered monitors shall be turned ON after the 4 9 AMX 80 and OFF before the AMX 80 is turned OFF Set the output level of your AMX 80 or the connected power amplifier at no more than 75 Set the PHONE level at no more than 50 Set HI and LOW EQ controls on center position Set panoramic PAN BAL control on center position While speaking into the
3. The US Government s Occupational Safety and Health Administration QSHA has specified the permissible exposure to noise level These are shown in the following chart HOURS X DAY SPL EXAMPLE 90 Small gig 92 train 95 Subway train 97 High level desktop monitors 100 Classic music concert 5 102 105 0 5 110 0 25 or less 115 Rock concert 800 According to OSHA an exposure to high SPL in excess of these limits may result in the loss of heat To avoid the potential damage of heat it is recommended that Personnel exposed to equipment capable of generating high SPL use hearing protection while such equipment is under operation The apparatus shall be connected to a mains socket outlet with a protective earthing connection The mains plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable IN THIS MANUAL Te INTRODUCTIO Noris achete desde n QUAE a 1 2 T 1 S REAB Y TO SIART Z areor es sted pee UMEN e 4 CONTROL ELEMENT Sariini nE 5 5 QUICK START AND CONNECTIONS 10 BLOCK DIAGRAM S RAEE EE EEE EANA 11 7 TECHNICAL SPECIFICATIOUN io EUR cord nino anus tone sadip Te B WARRANTY cuban SAN 13 1 INTRODUCTION Thank y
4. about 18dBu Actually we have built a safety threshold before actual distortion and clipping occur but please turn down the MAIN MIC control knob so that the CLIP LED only blinks occasionally In normal operating conditions the LED Meter will display the main mix level after the MAIN MIX control but if the 2TK TO PHONES switch is pressed in the LED Meter will show the level of the signal applied to the TAPE IN sockets 3 A CLOSER LOOK The LED Meter is your best friend in adjusting the Mixer audio 20 0 5 CLIP PWR levels for optimal performance Usually you get a good mix when the LED Meter 0 flashes in between 2OdB and 6dB If the Meter flashes a lot at PEAK you will get distortion If no Meter activity at all you will get a lot of noise at the output Once you have adjusted the mixer levels for no noise and no distortion you can adjust the levels of the external amplifier or powered speakers for the desired overall volume See 15 MAIN MIX LEVEL 14 MAIN MIX LEVEL This large blue knob controls the final level of the main mix signal sent to the MAIN OUTPUT TAPE OUT RCA sockets PHONES output and the LED Meter For optimal operation the MAINMIX LEVEL knob should be positioned in between O and 3 oclock AN Downloaded from www Manualslib com manuals search engine 4 CONTROL ELEMENTS THE OUTPUT CONNECTIONS AN 80 OLE 15 MAIN OUT Connecting these Left a
5. microphone or playing the instrument at normal volume adjust the channel level control so that the input PEAK LED light up only occasionally in this way you will maintain good headroom and proper dynamic range You can shape the tone of each channel by adjusting the equalizer controls as desired 10 Now repeat the same sequence for all input channels The Main LED Meter could Downloaded from www move up into the red section In this case you can adjust the overall output level through the MAIN MIX control 10N Manualslib com manuals search engine SHNOHd LNO 3dV L LATTI LAO Adv SHNOHd AR q UALIN LH NA RR YALA LAAT LHOTA NI AdVL LAJI NI 44V L LH TA XIN N o XIN OL Hd V L sna LHORE o S08 LTTI E sad LNO NIVIA XIN ah sna LAAT sna LHOnI Sn8 LAAT 08 S 7 S THNNVHO LOAdNI OTAALS THNNVHO LOAdNI ONOW a 6 BLOCK DIAGRAM Downloaded from www Manualslib com manuals search engine 7 TECHNICAL SPECIFICATION Mono input channels Microphone input Frequency response Distortion THD amp Gain range SNR Sig
6. UCTIO Noris achete desde n QUAE a 1 2 T 1 S REAB Y TO SIART Z areor es sted pee UMEN e 4 CONTROL ELEMENT Sariini nE 5 5 QUICK START AND CONNECTIONS 10 BLOCK DIAGRAM S RAEE EE EEE EANA 11 7 TECHNICAL SPECIFICATIOUN io EUR cord nino anus tone sadip Te B WARRANTY cuban SAN 13 1 INTRODUCTION Thank you for your purchasing the ALTO AMX 80 compact mixer It is just one of the many ALTO products that a talented multinational Team of Audio engineers and musicians have developed with their great passion for Music Your AMX 80 is a remarkable compact mixing desk that doesnt find many equals in the market today With enough microphone and Line level inputs for serious small live performances The 2TK input usually used for Tape of CD sources even comes with its own volume control and this feature is hard to find in a mixer of this size Use it for small Gigs for Computer Audio AMX 80 is also a flexible tool for your Multimedia presentations Enjoy your AMX 80 and make sure to read this Manual carefully before operation 2 FEATURES The AMX 80 7 Channel Mixing Console is designed for professional application It provides the following features A One MIC input channel with gold plated XLR and balanced Line inp
7. a LTO User s Manual AMX 80 7 CHANNEL MIXING CONSOLE www altoproaudio com Version 2 0 MARCH 2007 English m www Manualslib com manuals search engine IMPORTANT SAFETY INSTRUCTION RISK OF ELECTRIC SHOCK DO NOT OPEN TO REDUCE THE RISK OF ELECTRIC SHOCK WARNING To reduce the risk of electric shock and fire do not expose this equipment to moisture or rain PLEASE DO NOT REMOVE THE COVER OR THE BACK PANEL OF THIS EQUIPMENT THERE ARE NO PARTS NEEDED BY USER INSIDE THE EQUIPMENT FOR SERVICE PLEASE CONTACT QUALIFIED SERVICE CENTERS A This symbol wherever used alerts you to the presence of un insulated and dangerous voltages within the product enclosure These are voltages that may be sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to important operating and maintenance instructions Please read Protective Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off CAUTION Describes precautions that should be observed to prevent damage to the product 1 Read this Manual carefully before operation 2 Keep this Manual in a safe place 3 Be aware of all warnings reported with this symbol 4 Keep this Equipment away from water and moisture Clean it only with dry cloth Do not use solvent or other chemicals Do not d
8. amp or cover any cooling opening Install the equipment only in accordance with the Manufacturer s instructions o 7 Power Cords are designed for your safety Do not remove Ground connections If the plug does not fit your AC outlet seek advice from a qualified electrician Protect the power cord and plug from any physical stress to avoid risk of electric shock Do not place heavy objects on the power cord This could cause electric shock or fire 8 Unplug this equipment when unused for long periods of time or during a storm 9 Refer all service to qualified service personnel only Do not perform any servicing other than those instructions contained within the User s Manual 10 To prevent fire and damage to the product use only the recommended fuse type as indicated in this manual Do not short circuit the fuse holder Before replacing the fuse make sure that the product is OFF and disconnected from the AC outlet Downloaded from www Manualslib com manuals search engine Dispose of this product should not be placed in municipal waste and should be separate collection 11 Move this Equipment only with a cart stand tripod or bracket specified by the manufacturer or sold with the Equipment When a cart is used use caution when moving the cart equipment combination to vend imr avoid possible injury from tip over 12 Permanent hearing loss may be caused by exposure to extremely high noise levels
9. ating in accordance with the user s manual thoroughly any abuse or misuse of this product e Normal tear and wear e The product has been altered or modified in any way e Damage which may have been caused either directly or indirectly by another product force etc e Abnormal service or repairing by anyone other than the qualified personnel or technician And in such cases all the expenses will be charged to the buyer 3 5 In no event shall ALTO be liable for any incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above exclusion or limitation may not apply to you 3 6 This warranty gives you the specific rights and these rights are compatible with the state laws you may also have other statutory rights that may vary from state to state 13N Downloaded from www Manualslib com manuals search engine SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan http www altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 All rights reserved to ALTO All features and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group NFO2825 1 1 Downloaded from www Manualslib com manuals search engine
10. hannel 1 A Downloaded from www Manualslib com manuals search engine 4 CONTROL ELEMENTS CHANNEL INPUT MIC 1 1 MIC INPUT AMX 80 is equipped with one low noise microphone pre amplifier with 15V phantom power and 500 of gain You can connect almost any type of microphone Use phantom power only with condenser microphones but please make sure the power switch is turned off before connecting a microphone to the input Phantom power will not damage your dynamic microphones but it may damage tube or ribbon UNBAL microphones so make sure to read the microphone NE instructions manual before using NOTE Never try to connect a line level signal to the XLR MIC input when the phantom power functions 2 UNE INPUT You can plug in any stereo or mono line level instrument using balanced or unbalanced plugs You can also connect sound processors CD Players Tape Players and MP3 iPOD Players to these sockets When connecting a MONO device just remember to use The LEFT socket The mono signal will anyway appear on both left and right outputs TRIM CONTROL This control adjusts the input sensitivity of the 158 30dB LINE 0dB 44dB MIC MlC1channel A signal applied to this input can be adjusted for an optimal operating level The TRIM control provides 50dB of gain when raised fully 4 PEAK LED Thanks to these little LEDs you know that the signals applied to the mixer are adjusted properly FEAR and
11. nal to Noise Rated Line input Frequency response Distortion THD amp N Sensitivity range Stereo input channels Line input Frequency response Distortion THD amp N Impedances Microphone input Line input Main output Phones output Equalization High Low Main Mix Section Noise Bus Noise Max output Power supply AC AC Adaptor Main voltage Power consumption Physical Dimension WXDXH Net weight 1 Downloaded from www Manualslib com manuals search engine electronically balanced discrete input configuration 1QHz to 150kHz 1dB 0 005 4dBu 20Hz 20kHz OdB to 44dB MIC 115dB electronically balanced 10Hz to 150kHz 1dB 0 005 9 4dBu 20Hz 20kHz 15dBu to 30dBu Balanced 10Hz to 55kHz 1dB 0 005 4dBu 20 Hz 20kHz 2 66kOhm balanced 20kOhm balanced 2400hm balanced 1200hm unbalanced 250hm 15dB 12kHz 15dB 980kHz Fader OdB all input channels assigned and set to UNITY gain 106dBr 22dBu unbalanced 1 4 jacks USA Canada 100 120VAC 60Hz Europe 210 230VAC 50Hz UK Australia 240VAC 50Hz 8Watts 204mmx 126 5mmx 38mm 0 74Kg 8 WARRANTY 1 WARRANTY REGISTRATION CARD To obtain Warranty Service the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sale
12. nd Right Output to an amplifier or a pair of powered speakers You may decide to plug in an equalizer or a dynamic processor in between these outputs and your amplifier powered speakers 9 MAIN OUTPUT LEFT T 16 PHONES OUTPUT The stereo signal at this output is controlled by the PHONES control Through this output via headphones of powered Studio Monitors you can RIGHT listen either to the Main Mix or to the signal applied to the TAPE IN sockets depending on the positions of the 2TH to PHONES switch 17 TAPE OUT You can record your entire session into a Tape or DAT Recorder connected to these outputs The level at these sockets will be affected by the MAIN MIX control R REAR PANEL DESCRIPTION TAPE OUT OFF ON CAUTION A uic il DO NOT OPEN POWER RATED POWER WARNING SHOCK HAZARD DO NOT OPEN CONSUMPTION 8W 18VAC AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR Connect the supplied AC Adaptor into this socket and then to the AC outlet 18 POWER ON OFF SWITCH This switch is used to turn the main power ON and OFF x A CLOSER LOOK some Competitors do not offer a Power switch in similar models In such case the mixer will be permanently ON if the AC Adapter is connected to an AC outlet This may turn out in heat problems power consumption and damages to the unit in case of lightening 19 AC INPUT CONNECTOR This connector is used to connect the 18VAC adapter supplied by ALTO Company only
13. ou for your purchasing the ALTO AMX 80 compact mixer It is just one of the many ALTO products that a talented multinational Team of Audio engineers and musicians have developed with their great passion for Music Your AMX 80 is a remarkable compact mixing desk that doesnt find many equals in the market today With enough microphone and Line level inputs for serious small live performances The 2TK input usually used for Tape of CD sources even comes with its own volume control and this feature is hard to find in a mixer of this size Use it for small Gigs for Computer Audio AMX 80 is also a flexible tool for your Multimedia presentations Enjoy your AMX 80 and make sure to read this Manual carefully before operation 2 FEATURES The AMX 80 7 Channel Mixing Console is designed for professional application It provides the following features A One MIC input channel with gold plated XLR and balanced Line input A Two stereo input channels with balanced TRS jack A Ultra low noise discrete MIC pre amps with 15V Phantom power A Extremely high headroom offering extra dynamic range A Balanced inputs for highest signal integrity and low noise operation A Warm natural 2 band EQ on mono channel A Peak LEDs on each channel A 2 Irack inputs with level control assignable to main mix Headphone outputs A Highly accurate 4 segment bar graph meters Downloaded from www Manualslib com manuals search engine IN THIS MANUAL Te INTROD
14. s pushed in But when the 2TK to PHONES is pushed in the signal will also be routed to the PHONES Output TAPE IN TAPE OUT 10 2TK TO MIX 8 When you push in this switch the signal applied to the TAPE IN socket wil be sent directly to the Main Mix large blue Control knob This is usually used in between gig and another when you stop for a beer or more and you want to give some reproduced music to the 2TKTO 2TKTO Audience PHONES MIX 11 2TK TO PHONES When pushed in this switch it will assign the signal applied to the TAPE IN sockets to the PHONES 07 output sockets You can plug in a pair of stereo headphones to these sockets or a pair of active Studio Monitors such as ALTO MA You will need a Y type Adapter If this switch is depressed the MAIN MIX signal will be sent to the PHONES output sockets You can adjust the PHONES output signal via the PHONES control Always turn down this control before connecting headphones or active studio monitors Downloaded from www Manualslib com manuals search engine N 4 CONTROL ELEMENTS The MAIN SECTION 12 PWR LED This LED will turn on when the AC Adaptor is connected to an AC outlet and the main switch on the back panel is on ON position 13 LED METER There are four LEDs for each Left and Right channel with thresholds ranging from eOdBu up to 18dBu The OdB LED corresponds to an output level of about OdB The CLIP LED comes alive when the output is
15. s status so as to purport a more effective and efficient after sales warranty service Please fill out all the information carefully and genuinely miswriting or absence of this card will void your warranty service 2 RETURN NOTICE 2 1 In case of return for any warranty service please make sure that the product is well packed in its original shipping carton and it can protect your unit from any other extra damage 2 2 Please provide a copy of your sales receipt or other proof of purchase with the returned machine and give detail information about your return address and contact telephone number 2 3 A brief description of the defect will be appreciated 2 4 Please prepay all the costs involved in the return shipping handling and insurance 3 TERMS AND CONDITIONS 3 1 ALTO warrants that this product will be free from any defects in materials and or workmanship for a period of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service ALTO may repair or replace this product at its own option at no charge to you for parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions e Instead of oper
16. that they come into the mixer without B distortion Perform a sound check with a microphone or a line level instrument such as keyboard and EVER adjust the TRIM control so that the LED blinks occasionally In case of the line level channels you must adjust the output level of the instrument so that the LED blinks occasionally gt lt A CLOSER LOOK Unlike other competitors AMX 80 features Peak LEDs both on the MIC channel and on the LINE channels Most compact mixer of this kind in fact do not present Peak LEDs for the Line channels and it is therefore very difficult to prevent distorted signals coming into the mixer A Downloaded from www Manualslib com manuals search engine 4 CONTROL ELEMENTS EQUALIZATION The MIC channel is provided with 2 bands of equalization each one providing for up to 15dB of boost and cut There will be no signal change with the EQ control in centre position 5 HI EG This is a shelving filter operating on frequencies above 12kHz It means that all the frequencies above this level will be boosted or cut depending on the rotation of this control If you want to 0 reduce the sibilance of human voice or reduce EQ Tape noise turn the knob down You can make 2 HI 15 15 0 cymbals crispier or add transparency to Er vocals and guitar if you turn the knob up 6 LOW EG B Low hye Ns 80Hz This is also a shelving filter operating on frequencies below 80Hz Turn
17. the control down to reduce unwanted hum or low frequencies resonance Turn it up to add more punch to your bass drums and give more body to a Bass Guitar 7 PAN BAL It stands for Panoramic Balance For the MIC channel and with the control on position the signal is sent equally to the PAN BAL Left and to the Hight side of the main e mix Turn the Control all to the left and the Signal will be sent only to the left Mar Haru side of the Main Mix and vice versa In case of the stereo channels the BAL control is pretty much like a balance control in your home stereo Turn the e control left and the right channel will be attenuated and vice versa 8 LEVEL PEAK This is the master level control for the relative e channel If the MIC TRIM is set correctly as well as the output level of the instruments Sene LETS plugged into the line level channels the I LEVEL control will be positioned in between O and 3 oclock If you have to turn the LEVEL control further up it means that the TRIM and the instruments output level is set too low and vice versa A Downloaded from www Manualslib com manuals search engine 4 CONTROL ELEMENTS THE TAPE SECTION 9 TAPE INPUT Here is where you can connect line level mono or stereo devices such as DC DVD Player Tape Player TV iPOD etc The incoming signals will be routed directly into the MAIN MIX when the 2TK to MIX switch i
18. ut A Two stereo input channels with balanced TRS jack A Ultra low noise discrete MIC pre amps with 15V Phantom power A Extremely high headroom offering extra dynamic range A Balanced inputs for highest signal integrity and low noise operation A Warm natural 2 band EQ on mono channel A Peak LEDs on each channel A 2 Irack inputs with level control assignable to main mix Headphone outputs A Highly accurate 4 segment bar graph meters Downloaded from www Manualslib com manuals search engine SMALL GIG HOOKUP DIAGRAM ACTIVE SPEAKER aye yw KEYBOARD DAT RECORDER s CD PLAYER DRUM MACHINE COMPUTER SET UP DIAGRAM 6 ACTIVE SPEAKER MICROPHONE A BOX EA GUITAR Mi WM B c 8 SOUND CARD zx DRUM MACHINE Downloaded from www Manualslib com manuals search engine 3 READY TO START Some tips to help you set up your mixer 1 ZERO THE CONTROLS At this stage leave the POWER cord disconnected from the mixer Turn down all the GAIN LEVEL controls Keep EQ and PAN BAL controls on center position Turn down PHONES and MAIN MIX controls e eTRACK TO MIX and 2ZTRACK TO PHONE switches should be up 2 CONNECTIONS From the MAIN OUPUT socket connect your amplifier or powered speakers Connect a dynamic microphone to the MIC 1 input Connect mono or stereo line level signals to the LINE input jacks
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