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User's Manual
AMX-220/
22-CHANNEL MIXING CONSOLE/
AMX-220FX
WITH DIGITAL EFFECTS
R
LTO
www.altoproaudio.com
Version 1.0 October 2004
English
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the recommended fuse type as indicated in this SAFETY RELATED SYMBOLS manual. Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is CAUTION OFF and disconnected from the AC outlet. RISK OF ELECTRIC SHOCK DO NOT OPEN Protective Ground Before turning the product ON, make sure that it is This symbol, wherever used, alerts you to the pre- connected to Ground. This is to prevent the risk of sence of un-insulated and dangerous voltages with- electric shock. in
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PREFACE Dear Customer: Thank you for choosing the LTO AMX-220 22-Channel Mixing Console (AMX-220FX 22-Channel Mixing Console with Digital Effects), which is the result of our LTO AUDIO TEAM's endeavours. For the LTO 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 LTO line represents unparalleled analogue and digital
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TABLE OF CONTENTS 1.INTRODUCTION...................................................................................................................................................4 2.FEATURES...........................................................................................................................................................5 3.READY TO START?.......................................................................................................................................
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1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing AMX-220/AMX-220FX mixing console, The AMX-220/AMX-220FX is a professional compact mixer. You will get the smooth, accurate more natural and open sound open sound from this apparatus, and it is really ideal for gigs, recording and fixed PA installations. The AMX-220/AMX-220FX mixing console is packed with some key features that can not be found in other consoles of its size: 8 mono (these are provided
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2. FEATURES The AMX-220/AMX-220FX mixing console is designed for professional application. It will provide the following features: The common features: 8 MIC input channels with gold plated XLR and balanced LINE inputs 4 stereo input channels with balanced TRS jacks Ultra-low noise discrete MIC pre-amps with +48V Phantom power Extremely high headroom offering more dynamic range Insert on each of mono input channels Switchable Low-cut filter on each mono channel +4dBu/-10dBV selector on each ster
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3. READY TO START? 3.1 Please check the AC voltage available in your country before connecting your AMX-220/AMX-220FX 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 damage to your speakers and avoid excessive noise. 3.3 Before turning on the AMX-220/AMX-220FX you shall connect it to a power amplifier and turn-on the mixer BEFORE the
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4. CONTROL ELEMENTS AMX-220 MIC 1 MIC 2 MIC 3 MIC 4 MIC 5 MIC 6 MIC 7 MIC 8 2-TRACK IN/OUT STEREO AUX RETURNS ALT OUTPUT MAIN MIX OUTPUT(BAL/UNBAL) R LTO LEFT(3) LEFT(3) 1 2 MIC MIC MIC MIC +4dBu +4dBu +4dBu +4dBu -220 L AM J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 3 3 3 3 3 3 3 3 MAIN MAIN OUTPUT OUTPUT R LEFT(MONO) LEFT 22-CHANNEL MIXING CONSOLE RIGHT(4) LEVEL LEVEL LEFT RIGHT BAL BAL O OR R BAL BAL OR OR BAL BAL OR OR BAL B
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AMX-220FX MIC 1 MIC 2 MIC 3 MIC 4 MIC 5 MIC 6 MIC 7 MIC 8 2-TRACK IN/OUT STEREO AUX RETURNS ALT OUTPUT MAIN MIX OUTPUT(BAL/UNBAL) R LTO LEFT(3) LEFT(3) MIC MIC MIC MIC +4dBu +4dBu +4dBu +4dBu FX 1 2 -220 L AM J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 3 3 3 3 3 3 3 3 MAIN MAIN OUTPUT OUTPUT R LEFT(MONO) LEFT(MONO) LEFT 22-CHANNEL MIXING CONSOLE RIGHT(4) LEVEL LEVEL WITH DIGITAL EFFECTS LEFT RIGHT BAL BAL OR OR BAL BAL OR OR BAL
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4.1 MONO MIC/LINE CHANNELS 1 These are channel 1 through channel 8. You can connect balanced, MIC 1 low impedance microphones or a low level signal to the XLR socket. On the 1/4" line jack you can connect either a microphone or a line J.T J.T.. level instrument such as synthesizers, drum machines, effect pro- 2 1 3 cessors or any other line level signal. Note: You shall never connect an unbalanced microphone to the 1 XLR socket if you do not want to damage both the microphone and mixer. Also, it
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4.7 EQUALIZER 0 0 The mono input channels (channel 1~8) are equipped with 3-band EQ EQ MID sweep EQ: HI band, MID band and LOW band. And the stereo HI HI 7 12kHz 12kHz channels (channel 9~16) are equipped with 4-band fixed frequency -15 +15 -15 +15 0 0 EQ: HI band, HI-MID band, MID-LOW band and LOW band. All bands provide up to 15dB boost or cut. MID HI-MID 9 3kHz -HI 7 -15 +15 -15 +15 800 0 8 This is the treble control. You can use it to get rid of high frequency FREQ MID-LOW 10 noises or to bo
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15 4.11 SOLO SWITCH & LED INDICATOR When pressing this button, the SOLO signal will replace other signals and reach to the CONTROL ROOM / PHONES, also the LED beside it will illuminate. Usually use the SOLO function to preview each channel signal before they are let into the mix. It is useful to set an instrument's input level and EQ, and you can "solo" any channel that you want to. However, The SOLO switch never affects any mix other than the PHONES/CONTROL ROOM mix. 4.12 PEAK LED 16 Inside you
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23 4.19 AUX SENDS These 1/4" sockets are used to send out the signal AUX SENDS CTRL ROOM OUTPUT from the AUX bus to external device such as effects 1 L equipment, they also can be used as monitoring outputs DSP by connecting a power amplifier and monitorSpeaker. PHONES FOOTSWITCH 2 R 4.20 CTRL ROOM OUTPUT 24 These 1/4" sockets are used to send the control room signal to the studio monitor speakers or a second set of PA. 23 24 25 26 25 4.21 PHONES This socket will send out the mix signal to a pai
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33 4.29 PHANTOM LED This LED indicates when the phantom power is switched on. 4.30 POWER LED 34 This LED indicates when the power is on in your AMX-220/AMX-220FX. 4.31 SOLO MODE SWITCH 35 This button provides two modes: up for PFL (Pre-Fader-Listen) mode,down for AFL(After-Fader-Listen) mode. Engage the button, the output signal of soloed channel will be sent out after its channel fader. Release the button to enter into PFL mode, the signal of soloed channel will be sent out before its channel F
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4.38 REAR PANEL DESCRIPTION ON CAUTION RISK OF ELECTRIC SHOCK MODEL DO NOT OPEN WARNING: SHOCK HAZARD - DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR 18VAC~ OFF SERIAL PHANTOM POWER RATED POWER CONSUMPTION: 25W 45 46 47 - POWER ON/OFF SWITCH 45 This switch is used to turn the main power ON and OFF. - PHANTOM ON/OFF SWITCH 46 This switch will apply +48 Volt Phantom Power only to the 8 XLR microphone inputs. Never connect microphones When the phantom power is on already. - AC INPUT C
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5. INSTALLATION AND CONNECTION Ok, you have got to this point and you are now in the position to successfully operate your AMX-220/AMX-220FX. However, we advise you to read carefully the following section to be the real master of your own mixer. 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 for every single channel
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5.1 Some Final Tips on Wiring Configuration You can connect unbalanced equipment to balanced inputs and outputs. Simply follow these schemes. Ring=Right Signal Tip Sleeve Ring Strain Clamp Tip=Left Signal Sleeve=Ground/Screen Use for Headphone, Stereo Return 1/4" Stereo (TRS) Jack Plug Tip Sleeve Tip=Signal Strain Clamp Sleeve=Ground/Screen Use for Mono Line In, Mono 1/4"Jack Plugs 1/4" Mono (TS) Jack Plug Ring=Return Signal Tip Sleeve Ring Strain Clamp Tip=Send Signal Sleeve=Ground/Screen Use f
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Ring=Return Signal (Connected together) To Channel Insert Sleeve=Ground/Screen Tip=Signal To Tape or FX Input Sleeve=Ground/Screen 'Tapped' Connection Direct Output Lead (Enables the Insert to be used as a Direct Output while maintaining the channel signal flow) To Processor Input Sleeve=Ground/Screen Tip=Send Signal Tip To Channel Insert Ring Ring=Return Signal Sleeve To Processor Output Y-Stereo lead for insert Connection (To be used when the processor does not employ a single jack connection
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6. FOR THE EXPERTS WHO WANT TO KNOW MORE As we have told you previously in this manual, the AUX SEND2 control both on mono and on stereo channels is factory wired as POST-FADER. If you have some skill in electronic components soldering you can modify this setting and have all your AUX SENDS configured as PRE-FADER. AUX AUX (PRE) (PRE) Solder the PRE route Disconnect POST POST the POST route Before After Modification on mono and stereo channels 18
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7. PRESET LIST (For AMX-180FX Model) 01. VOCAL1 Pre-delay Rev. Type Hi Damp No Rev Time Room Size 1 84 1.00 39 Hall -12 Tape 2 30 1.00 8 -12 Spring 3 0 4.50 10 -12 4 55 3.60 11 Plate -12 Spring 5 10 1.20 9 -12 6 79 3.60 8 Hall -12 7 45 0.8 41 Plate -12 8 45 1.50 41 Plate -12 Spring 9 25 2.40 9 -12 Tape 10 0 0.90 41 -12 11 45 1.50 10 Plate -12 12 114 1.00 45 Hall -12 Spring 13 40 1.00 9 -12 Tape 14 50 2.10 10 -12 15 45 4.50 11 Plate -12 16 55 1.70 Plate -12 02. VOCAL2 Pre-delay Rev. Type Hi Damp
