APM80.1500 - Alto Professional
Contents
1. 4 2 5 3 QUICK STAR que 6 4 5 7 4 1 MONO STEREO Input Channel Section 4 2 MASTER SECTION Control 4 3 MASTER SECTION INPUT and OUTPUT Jacks 4 4 DSP Section 4 5 Rear Panel e PRESET A aac coed 15 6 INSTALLATIONIAND CONNECTION 16 6 1 Audio Connections 6 2 Speaker Connections 6 3 Possible System Connection Mode for Live Sound Application 7 TECHNICAL 20 Bo 22 1 INTRODUCTION Thank you very much for expressing your confidence in ALTO products by purchasing ALTO APM80 1500 8 channel stereo powered mixer with DSP The APM80 1500 is professional powerful mixer which provides the state of the art digital amplifier technology specifically You will get the smooth accurate more natural and open sound from this apparatus it is really ideal for large gigs recording and fixed PA installations The APM80 1500 8 channel stereo powered mixer with DSP is packed with some key features For example there is six MIC line inputs which provided with ultra low noise microphone pre amplifiers and phant2. MODEL APMBO 1500 e VEN SZ ER R 4 CONTROL ELEMENTS ares 80 1500 m NL 1 8 d in Re NUN NR FER TEMP E E pu A aol re ii in MOM XN 4 P KEREN ee e s LA lt E 2 IAE D m ox W P 1 al 1 P uu 5 4 1 MONO STEREO Input Channel Section Your APM80 1500 comprises 6 mono input channels and 2 stereo input channels each of them including 20dB PAD 3 band equalizer AUX sends PAN and LEVEL con trols The following content will detail the each part input Channels 1 6 There CH1 through CH6 which comes with MIC IN and LINE IN connector Use the XLR MIC IN connector to connect low noise microphones preamp and low level signal which also feature 48V phantom power allowing you to connect condenser microphones Use the 1 4 TRS LINE IN connector to connect either a microphone or a line level instrument such as synthesizers drum machines effects processors Note You shall never connect an unbalanced microphone to the XLR connector if you do not want to damage both the microphone and the mixer STEREO Input Channels 7 10 There are CH7 through CH10 They are organised in stereo pair Via the 1 4 TRS input connectors you can connect the outputs from stereo devices such as synthesizers effects processor or any stereo line level sign
3. me C deum 134 POWER ON OFF Switch This switch is used to turn the main power ON and OFF Inlet with FUSE Holder Use it to connect your APM80 1500 to the main AC with the supplied AC cord Please check the voltage available in your country and how the voltage for your APM80 1500 is configured before attempting to connect your 80 1500 to the main AC e SPEAKERS Jacks These jacks are used to connect speakers They are configured with 4 way speakon connectors and 1 4 phone jacks You can determine the signal that is output to these jacks according to the setting of AMPLIFIER MODE select switch Note In order to avoid damaging your built in amplifier please pay more attention to the impedance of speaker Lower load impedances are not permitted QJ c Select Switch This switch has two choices for voltage 115 VAC or 230 VAC Note If you want to switch the voltage remove the cover plate with a screwdriver and set the switch to the 115 VAC or 230VAC as the actual requirement Refer to the specification page 20 for instructions of replacing fuse PRESET LIST Controllable parameter Description VOCAL 1 Simulate a room with small delay time Decay time 0 8 1 15 Pre delay 0 79ms VOCAL 2 Simulate a small space with slight decay time Decay time 0 8 2 5s Pre delay 0 79ms LARGE HALL Simulate a large acoustic space of the sound Decay time 3 6 5 4s Pre delay 23 55ms SMALL HALL Simulate a small acoustic sp
4. 80 1500 l Lad 8 User s Manual 8 channel Stereo Powered Mixer with DSP ove APMBO 1500 LLVM 0051 a LTO www altoproaudio com Version 1 0 Jan 2007 English SAFETY RELATED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol wherever used alerts you to the pre sence of un insulated and dangerous voltages with in 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 impo rtant operating and maintenance instructions Please read Protective Ground Terminal AC mains Alternating Current Hazardous Live Terminal 8 16 Denotes the product is turned on OFF Denotes the product is turned off WARNING Describes precautions that should be observed to prevent the possibility of death or injury to the user CAUTION Describes precautions that should be observed to prevent damage to the product Disposing of this product should not be placed in municipal waste and should be mmm Separate collection WARNING Power Supply Ensure that the mains source voltage AC outlet matches the voltage rating of the product Failure to do so could result in damage to the product and possibly the user Unplug the product before electrical storms occur and when unused for long periods of time to reduce the risk of electric shock or fir
5. STEREO MODE 2x750 W 4 OHM 2x400 W 8 OHM 4 OHM MIN LOAD BRIDGE MODE 1500 W 8 OHM 8 OHM MIN LOAD CLASS 2 WIRING BE USED A Here some illustrations will give you some helpful suggestions Main Speaker Eua AMPLIFIER MODE m L MAIN BRIDGE BRIDGE MODE RIGHT MONITOR MAIN MONITOR BRIDGE OUTPUT 1 2 1 de 1 POS POS NEG Bridge Mode Main Speaker LEFT MONO MAIN OUTPUT 2 POS AMPLIFIER MODE x l MAIN MAIN BRIDGE MONITOR Ss BRIDGE MODE RIGHT MONITOR BRIDGE OUTPUT 1 2 1 1 1 POS NEG POS Use either the speakon jacks or phone jacks Monitor Speaker MAIN MONITOR Mode Main Speaker LEFT MONO MAIN OUTPUT 2 POS NEG AMPLIFIER a MODE LL MAIN MAIN BRIDGE MAIN MONITOR BRIDGE MODE RIGHT MONITOR BRIDGE OUTPUT 1 2 1 de 1 POS NEG POS NEG Use either the speakon jacks or phone jacks Main Speaker MAIN MAIN Mode 6 3 Possible System Connection Mode for Live Sound Application Read through the QUICK START chapter and previous setting procedures you will know how to start your system quickly and adjust the channel setting under safety conditions Here shows the APM80 1500 in a live sound system The following sect
6. 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 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 NF02706 1 0
7. 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 operating in accordance with the user s manual thoroughly any abuse or misuse of this product Normal tear and wear e The product has been altered or modified in any way Damage which may have been caused either directly or indirectly by another product force etc 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 exclu sion or limitation of incidental or consequential damages
8. 4 jacks AUX Sends max out 22dBu Output Power 80 1500 Stereo mode 680W RMS 4ohm Power supply 770W EIAJ 4ohm 429W RMS Q 8ohm 399W EIAJ 8ohm Bridge mode 1553W 8ohm Main voltage 100 120VAC 60Hz 220 240VAC 50Hz Fuse 100 120V T10A 250V 220 240V T6 3A 250V Physical Dimension WxDxH 550mmx220mmx310mm 8 66 x12 20 x21 65 Weight Net 8 0kg 17 635 Gross 10 8kg 23 816 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 sales 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
9. FETY INSTRUCTIONS Read these instructions Follow all instructions Keep these instructions Do not discard Heed all warnings Only use attachments accessories specified by the manufacturer Power Cord and Plug Do not tamper with the power cord or plug These 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 Cleaning When required either blow off dust from the product or use a dry cloth Do not use any solvents such as Benzol or Alcohol For safety keep product clean and free from dust Servicing Refer all servicing to qualified service personnel only Do not perform any servicing other than those instruc tions contained within the User s Manual PREFACE Dear customer Thank you for choosing the ALTO APM80 1500 8 channel stereo powered mixer with DSP which is the result of our ALTO AUDIO TEAM s endeavours For the ALTO AUDIO TEAM music and audio are more than a profession it is a passion and an obsession We have in fact been designing professional audio products for a number of years in cooperation with many of the world s major brands The ALTO line represents unparalleled analogue and digital products made by musician for musicians Wit
10. RT 3 1 Please check the AC Voltage available in your country before connecting your APM80 1500 to the AC socket 3 2 Be sure that the main power switch is turned off before connecting the Mixer to the AC socket Also you should make sure that all Input and output controls are turned down This will avoid damages to your speakers and avoid excessive noise 3 3 Please connect one side of the speaker cable to speakon or phone jacks of your APM80 1500 and the other side to the input socket of your speaker cabinet or connect one side to the main output L R of your APM80 1500 And other side to the input socket of your active speaker cabinet or other stereo power amplifier 3 4 Complete these connections as illustrated 3 5 When no external power amplifier or active speaker connected to the main output L R of your APM80 1500 please switch on your APM80 1500 after turning on all external devices after using switch off your APM80 1500 Before all external devices 3 6 When the external power amplifier or active speaker connected to the main output L R of your APM80 1500 please switch on your APM80 1500 before the external power amplifier or active speaker After using switch off your APM80 1500 after the external power amplifier or active speaker 3 7 Before disconnecting the APM80 1500 always turn off the Power switch 3 8 Do not use solvents to clean your APM80 1500 A dry and clean cloth will be OK
11. THD amp N 0 006 at 4dBu 1kHz Gain 50dB MIC SNR Signal to Noise Ratio gt 90dB Line input electronically balanced Frequency response 10Hz to 55kHz 3dB Distortion THD amp N 0 04 at 4dBu 1kHz Gain 30dB Stereo input channels Line input Unbalanced Frequency response 10Hz to 55kHz Distortion THD amp N 0 006 at 4dBu 1kHz Impedances Microphone input 1 4kOhm Channel Insert return 2 5kOhm All other inputs 10kOhm or greater Tape out 1kOhm All other output 1200hm Equalization Hi shelving 15dB 12kHz Mid bell 15dB 2 5kHz Low shelving 15dB 80Hz DSP Section A D and D A converters 24 bit DSP resolution 24 bit Type of effects Hall Room Vocal amp Plate REVERBS Mono amp Stereo DELAY max DELAY TIME 650ms Chorus Flanger amp Reverb MODULATIONS REVERB DELAY REVERB CHORUS REVERB FLANGER combinations Presets 256 Controls 16 position PRESET Selector 16 position VARIATION selector CLIP LED MUTE SWITCH with LED indicator Main Mix Section Noise Bus noise Fader 0 dB channels muted 85dBr ref 4dBu Fader OGB all input channels assigned and set to UNITY gain 71dBr ref 4dBu Max output 27dBu balanced 22dBu unbalanced 1
12. ace of the sound Decay time 1 0 2 9s Pre delay 20 45ms LARGE ROOM Simulate a studio room with many early reflections Decay time 2 9 4 5s Pre delay 23 55ms SMALL ROOM Simulate a bright studio room Decay time Pre delay 7 PLATE Simulate the transducers sound like classic bright Decay time vocal plate Pre delay TAPE REVERB Simulate a record head and multiple playback heads Decay time at intervals along the tape Pre delay SPRING REVERB Simulate the analog transducers springs lightly Decay time 1 3 5 4s stretched sound Pre delay 0 35 10 DELAY Reproduce the sound input on the outputafter a Period 60 650ms lapse of time 11 STEREO DELAY Recreate the input sound on the stereo output with Period 210 400ms different time Feedback 37 73 12 FLANGER Simulate to play with another person carryingout Rate 0 16 2 79Hz sam e the notes on the same instrument 13 CHORUS Recreate the illusion of more than one instrument Rate 0 5 5Hz from a single instrument sound 14 REV DELAY Delay with room effect Delay period 211 375ms Rev decay time 1 0 2 9s 15 REV FLANGER Stereo chorus and large room reverb Flanger Rate 0 16 2 52Hz Rev decay time 1 5 2 9s 16 REV CHORUS Simulate the sound effect achieved by rotating horn Chorus rate 0 5 4 74Hz speakers and a bass cylinder Rev decay time 1 5 2 9s 6 INSTALLATION AND CONNECTION Ok you have got to this point and you are now in the position to successfully operate
13. al If only the right jack was connected the input will operate in mono mode Via the XLR MIC IN connector you can input the low level signal o 20dB PAD Button Pressing this button will attenuate the input signal by 20dB In such way you can produce increased headroom and reduce the risk of distortion because of level peaks at input level when the input signal is quite hot EQUALIZER Your APM80 1500 features a 3 band equalizer allowing you adjust the high mid and low frequencies separately on each channel All bands provide up to 15dB of boost or cut flat at the center detent HIGH This is the treble control You can use it to get rid of high frequency noises or to boost the sound of cymbals or the high harmonics of the human voice MID This is the midrange control It can affect most fundamental frequencies of all musical instruments and human voice An attentive use of this control will give you a very wide panorama of sound effects LOW This is the bass control It is used to Boost male voice or kickdrum and bass guitar Your system will sound much bigger than what it is LINE IN bal O LOW NOISg Pp gt MIC bal MIC IN bal e HIGH X e 12KHz 15dB 15dB B e LAC 5 5 2 5KHz 15 15 eo LOW 2 LJ 80Hz 15dB o MON AUX1 Control Your APM80 1500 has two auxiliary sends which can be used for sending signals to external or
14. al Sleeve Tip Ring Strain Clamp Tip Left Signal Sleeve Ground Screen Use for Headphone 1 4 Stereo TRS Jack Plug Sleeve Strain Clamp Tip Signal Sleeve Ground Screen Use for Mono Line In Mono 1 4 Jack Plugs 1 4 Mono TS Jack Plug Ring Return Signal Sleeve Ring Strain Clamp Tip Send Signal Sleeve Ground Screen Use for Insert Points 1 4 Stereo TRS Jack Plug 2 Hot 1 Ground Screen 2 Hot 1 Ground Screen 3 Cold 3 Cold Use for Balanced Mic Inputs Use for Main output For unbalanced use connect pin 1 to 3 For unbalanced use leave pin 3 unconnected 3 pin XLR Line Socket seen from soldering side 3 pin XLR Male Plug seen from soldering side 6 2 Main Speaker Connections Please use only the power connectors to make connections with other signal source equipment for the passive speaker cabinets The power connector has four terminals 1 1 2 2 1 2 Speakon connector Your APM80 1500 features three modes for connecting the main speakers The speaker impedance requirement varies depending on how you connect the speaker In order to avoid damaging your built in amplifier please pay more attention to the impedance of speaker Lower load impedances are not permitted The further details you can refer to the mark on rear panel
15. ate the selected frequency by 15dB at a preset bandwidth When all faders are at the center position the output of the equalizer is flat res ponse They are used to modify the frequency contour of a sound The EQ function will be activated automatically as soon as you operate your APM80 1500 FEEDBACK TERMINATOR Button MONITOR MIX Pressing this button the automatic feedback detection function will be activated in monitor signal path When a frequency band fader lights up it means the level of this frequency band is too high i e there is a little feedback occurring in this frequency band which may result in unpleasant speaker howling or whistling In this case in order to eliminate feedback you need to turn down the corresponding fader 9 11 MONITOR LEVEL Control This control is used to adjust the level of monitor output monitor LEVEL LED Display This LED display is used to monitor the monitor output level FEEDBACK TERMINATOR Button MAIN MIX Pressing this button the automatic feedback detection function will be activated in main mix signal path When a frequency band fader lights up it means the level of this frequency band is too high i e there is a little feedback occurring in this frequency band which may result in unpleasant speaker howling or whistling In this case in order to eliminate feedback you need to turn down the corresponding fader MAIN MIX LEVEL Control This contr
16. e External Connection Always use proper ready made insulated mains cabling power cord Failure to do so could result in shock death or fire If in doubt seek advice from a registered electrician Do Not Remove Any Covers Within the product are areas where high voltages may present To reduce the risk of electric shock do not remove any covers unless the AC mains power cord is removed Covers should be removed by qualified service personnel only No user serviceable parts inside e Fuse 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 Protective Ground Before turning the product ON make sure that it is connected to Ground This is to prevent the risk of electric shock Never cut internal or external Ground wires Likewise never remove Ground wiring from the Protective Ground Terminal Operating Conditions Always install in accordance with the manufacturer s instructions To avoid the risk of electric shock and damage do not subject this product to any liquid rain or moisture Do not use this product when in close proximity to water Do not install this product near any direct heat source Do not block areas of ventilation Failure to do so could result in fire Keep product away from naked flames IMPORTANT SA
17. eadphones u OUT Jack The phone jack is used to output the line level signal of AUX2 bus AUX2 sn p OUT Generally it is available to connecting effects unit O STEREO RTN Jack STEREO Use the stereo phone jack to return the sound of an effect unit to RTN the main mix You can also use it as the extra auxiliary inputs QE TO Select Switch Pushing this switch to left will route the signal from TAPE IN to CH9 10 path and the signal will be affected by channel level control and main level control while to right will route the signal to main mix bus the signal will be affected only by main level control 2 Your APM80 1500 features dual RCA jacks for 2 track in left and right If you wish to listen to your mix from a tape recorder DAT or cassette please use these tape input jacks Depending on the setting of TAPE TO select switch you can assign the signal coming from the tape recorder DAT or cassette to CH9 10 path or main mix bus 2 OUT Your APM80 1500 features dual RCA jacks for 2 track out left and right Via these jacks you can route the main mix signal into a tape recorder or DAT for recording E 4 4 DSP Section 80 1500 features the special 256 position multi effect further details please refer to following content MUTE MUTE 27 PRESETS Control VARIATIONS Adjust this knob to select the right effect you wish to perform There are total 16 o
18. h our de sign centres in Italy Netherlands and United Kingdom we provide you with world class designs while our software development teams continue to develop an impressive range of audio specific algorithms By purchasing our ALTO products you become the most important member of our ALTO AUDIO TEAM We would like to share with you our passion for what we design and invite you to make suggestions which will aid us in develop ing future products for you We guarantee you our commitment for quality continual research and development and of course the best prices The ALTO APMB80 1500 is extremely flexible ultra low noise 8 channel stereo powered mixer with DSP which is configured with six MIC line and two stereo inputs channels each of them is equipped with a variety of key features including a 3 band equalizer two aux sends and pan control etc Besides the miraculous DSP with 256 presets and powerful digital power amplifier will meet your requirements To deserve to be mentioned the output power of ALTO 80 1500 is 2 x 750W Seeing is believing let s meet the ALTO APM80 1500 We would like to thank all the people who made the ALTO APM80 1500 possible especially to our designers and ALTO staff It is their passion for music and professional audio that has made it possible for us to offer you our most important team member our continued support Thank you very much ALTO AUDIO TEAM TABLE OF CONTENTS TAINTRODUGTIION ECC
19. internal effects device or for creating a monitor mix they are used to adjust the level of respective channel signal sent to AUX bus and the adjustable range goes from to 10dB The 1 control is configured as PRE FADER which means that the signal is sent out before reaching the channel fader It is used for a monitor mix in a live sound mixing or for a headphone mix in recording application DsPIFxX AUX2 Control The AUX2 control is configured as POST FADER so the audio signal will be affected by channel fader Via the AUX2 OUT jack the AUX2 signal can be sent to an external effects device furthermore the AUX2 signal can also be assigned to internal onboard effect module PAN Control Abbreviation of PANORAMA control for mono and stereo channels It is used to determine the amount of channel signal sent to left and right of main mix Keep this control in center position then the signal will be positioned in middle of stage Turn this control fully counterclockwise the signal will be present only on the left of main mix and vice versa Channel LEVEL Control This control is used to adjust the overall level of respective channel The adjustable range goes from 2 to 10dB 4 2 MASTER SECTION Controls STEREO GRAPHIC EQ Your APM80 1500 is equipped with both stereo graphic EQs one is for MAIN MIX another for MONITOR MIX each of them provides 9 band fader controls Via these faders you can boost or attenu
20. ion explains the basic connection and operating For input section connect three or more microphones to mono MIC channels 1 3 connect synthesizers or signal processor to either line input of stereo channel 7 8 or line input of mono channel connect the CD player to line input of mono or stereo channel other stereo line signal source can be connected to line input of channel 9 10 For output section you can connect either an external amplifier or active speaker to the monitor output jack Th rough the main output jacks on front panel you can connect an external power amplifier to driving the 2 sub woofers or 2 active speakers Besides you can connect a pair of headphone to headphone output jack There are powered mix output connectors on rear panel through these you can connect 2 passive main speakers Normally more speaker outputs are needed you can use the AUX2 output jack to connect the power amplifier for driving the studio monitor speaker If necessary you can also use the 2 track in out connectors to connect the DAT or cassette for recording 9 LTO POWERED MIXER MODEL 80 1500 MEN SZ Cassette or DAT CD Player Synthesizers Other stereo line level signal Vocal MIC Monitor 5 TECHNICAL SPECIFICATION Mono input channels Microphone input electronically balanced discrete input configuration Frequency response 10Hz to 55kHz 3dB Distortion
21. ol is used to adjust the overall volume of main mix output main MIX LEVEL LED Display The stereo 4 segments LED display is used to monitor the main mix output level Ha ao 80 1500 OPERATING LED Display The LED indicates when the power is switched on in your APM80 1500 PHANTOM 48V Switch It is available only to the XLR MIC sockets Never plug in a micro phone when phantom power is already on Before turning phantom power on make sure that all faders are all the way down In this PHANTOM AMPLIFIER 48V MODE way you will protect your stage monitors and main loudspeakers mj i j 1 i MAIN MAIN BRIDGE Pushing the switch to right will apply 48V phantom power only to erba ai the 8 XLR microphone inputs QD wPLiFIER MODE Switch This switch provides three modes MAIN MAIN MAIN MONITOR BRIDGE Select any one of these modes to specify the signals to be routed to the corresponding jacks according to the speaker connection at speaker jacks on the rear panel The details refer to later content 4 3 MASTER SECTION INPUT and OUTPUT Jacks Monitor OUT Jack Use the balanced MONITOR jack to connect the input of external monitor amplifier or active monitor speaker MAIN OUT Jacks The both jacks are used to output the main mix signal to an external amplifier or active speaker HEADPHONE OUT Jack This is a stereo phone type output jack it is used to send out the monitor signal to a pair of h
22. om power at 48V plus two stereo inputs each of them features a 3 band equalizer two aux sends pan and level control The master section includes stereo return 2 track input output for playing back stereo devices for recording your mix sweet equ alizers for main and monitor 256 position multieffect and built in feedback terminator and so on Though your APM80 1500 is very easy to operate we strongly recommend you to go through each section of this manual carefully in this way you will get the best out of your APM80 1500 2 FEATURES The APM80 1500 8 channel stereo powered mixer with DSP is designed for professional application It provides the following features Digital amplifier technology offering high power and a very dynamic sound 9 band graphic EQ for MAIN MONITOR e Built in feedback terminator 6 MIC line input channels with gold plated XLRs and balanced LINE inputs 2 Stereo input channels with balanced TRS jacks e Ultra low noise discrete MIC preamps with 48V phantom power Extremely high headroom offering more dynamic range 3 band equlizer on input channels e Each input channel with 20dB PAD PAN and level control e 2 AUX sends for built in or external effects on stage monitor mix or headphone mixing 256 position multieffect e 2 track recording IN OUT phono Headphone output e 2x750 watt EIAJ amplifiers For APM80 1500 Output connector 6 3 jack 4 way speakon 3 QUICK STA
23. ptions for you several kinds of reverb mono and stereo delay modulation effects and versatile two effect combination VARIATIONS Control Since you have selected the preferable effect the next step please go with the fine consideration there are also total 16 variations for e TOMON each preset and each variation has been designed modifying several parameters e DSP MUTE Switch This switch is used to activate deactivate the effect facility Sometimes you can also use the following FOOT SW jack for convenient operation ELAY 15 REVERB FLANGER 16 REVERB CHORUS CLIP MUTE LED This LED lights up when the input signal is too strong In case of the digital effect module being muted this LED also lights up DSP TO MON Control This control is used to control the volume of effect signal sent to monitor mix which be varied from co to 10dB e DSP TO MAIN Control This control is used to control the volume of effect signal sent to main mix bus which can be varied from co to 10dB e FOOT SW Jack Here you can connect an external footswitch to turn on off the onboard effect module It is 1 4 phone jack 4 5 Rear Panel y VES POWERED MODEL APM80 1500 e wm LEFT MONO MAIN s OUTPUT 2 OUTPUT 1 I BRIDGE MODE RIGHT MONITOR KILLER e tam S 24 9
24. your APM80 1500 However we advise you to read carefully the following section to be the real master of your own mix Not paying attention enough 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 this procedure for every single channel e Turn down all Input and output gain controls Connect phantom powered microphones before switching on the 48Volt phantom power switch e Set the output level of your APM80 1500 or the connected power amplifier at no more than 75 Now set the MONITOR level at no more than 50 In this way you will be able to hear later what you are doing connecting a pair of headphones or a pair of powered studio monitor speakers e Position EQ controls on middle position Position panoramic PAN control on center position e Increase the input gain properly for maintaining the good headroom and ideal dynamic range Depending on the actual application turn slowly the input and output level controls for obtaining the maximum gain before distortion Now repeat the same sequence for all input channels The main LED meter could move up into the red section In this case you can adjust the overall output level through the MAIN MIX control 6 1 Audio Connections You can connect unbalanced equipment to balanced inputs and outputs Simply follow these schematics Ring Right Sign
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