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User's Manual
AMX-140FX/
14-CHANNEL MIXING CONSOLE/
with DIGITAL EFFECTS
AMX-140
R
LTO
www.altoproaudio.com
Version 1.0 December 2003
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 This symbol, wherever used, alerts you to the pre- Before turning the product ON, make sure that it is sence of un-insulated and dangerous voltages with- connected to Ground. This is to prevent the risk of in the product encl
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PREFACE Dear Customer: Thank you for choosing the LTO AMX-140 14-Channel Mixing Console (AMX-140FX 14-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 LTO AMX-140(FX) mixing console. The AMX-140(FX) is a professional compact mixer. You will get the smooth, accurate more natural and open sound from this apparatus, and it is really ideal for small gigs, recording and fixed PA installations. The AMX-140(FX) mixing console is packed with some key features that can not be found in other consoles of its size: 4 mono (these are provided with ultra low noi
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2. FEATURES The AMX-140(FX) mixing console is designed for professional application. It will provide the following features: The common features: 5 MIC input channels with gold plated XLRs and balanced LINE input 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 Balanced inputs for highest signal integrity Warm, natural 3-band EQ on each channel Switch-able Low-cut filter on each mono
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3. READY TO START? 3.1 Please check the AC voltage available in your country before connecting your AMX-140(FX) 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 Before turning on the AMX-140(FX) you shall connect it to a power amplifier and turn-on the mixer BEFORE the power ampli
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4. CONTROL ELEMENTS AMX-140FX 2-TRACK IN/OUT MAIN MIX OUTPUT MIC 1 MIC 2 MIC 3 MIC 4 R (BAL/UNBAL) LTO L -140 FX AM J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. 2 1 2 1 2 1 2 1 R 3 3 3 3 14-CHANNEL MIXING CONSOLE WITH DIGITAL EFFECTS LEFT RIGHT TAPE IN TAPE OUT BAL BAL OR OR BAL BAL OR OR BAL BAL OR OR BAL BAL OR OR UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL LINE IN 1 LINE IN 2 LINE IN 3 LINE IN 4 CTRL ROOM OUTPUT LINE IN 5/6 LINE IN 7/8 PHONES L R J.T J.T.. INSERT INSERT INSERT INSERT 2 1 3 STE
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AMX-140 2-TRACK IN/OUT MAIN MIX OUTPUT R MIC 1 MIC 2 MIC 3 MIC 4 (BAL/UNBAL) LTO L -140 AM J.T J.T.. J.T J.T.. J.T J.T.. J.T J.T.. 2 1 2 1 2 1 2 1 R 3 3 3 3 14-CHANNEL MIXING CONSOLE LEFT RIGHT TAPE IN TAPE OUT BAL BAL OR OR BAL BAL OR OR BAL BAL OR OR BAL BAL OR OR UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL UNBAL LINE IN 1 LINE IN 2 LINE IN 3 LINE IN 4 CTRL ROOM OUTPUT LINE IN 5/6 LINE IN 7/8 PHONES L R J.T J.T.. 2 1 INSERT INSERT INSERT INSERT STEREO AUX RETURNS AUX SENDS 3 TRIM TRIM TRIM TRIM
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4.1 MONO MIC/LINE Channels 1 MIC 1 These are channel 1 through channel 4. You can connect balanced, low impe- dance microphones to the XLR socket. On the 1/4" phone jack you can connect J.T J.T.. either a microphone or a line level instrument. You shall never connect an un- 2 1 3 balanced microphone to the XLR socket if you do not want to damage both the microphone and the mixer. 1 48 Volt phantom power 2 BAL BAL OR OR UNBAL UNBAL It is available only to the XLR Mic sockets. Never plug in a micr
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6 4.5 STEREO Inputs LINE IN 5/6 LINE IN 7/8 These are Channel 5 through 8. They are organised in stereo pair and provided with 1/4" TRS sockets. J.T J.T.. 2 1 3 If you connect only the left jack, the input will operate LEFT(MONO) LEFT(MONO) LEFT (MONO) in mono mode. 6 MIC (MONO) TRIM RIGHT RIGHT 0dB 44dB MIC 4.6 3 BANDS EQUALIZER Controls A 3-band equalizer is provided for all input channels with a wide range of frequency adjustment. EQ 4.6.1 HI 7 HI HI 7 12kHz 12kHz This is the Treble control.
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In the AMX-140FX model, excluding sending out directly to the external effect or processor equipment, the AUX SEND2 will also be sent to the internal onboard effect module. 4.8 PAN/BAL Control 11 Abbreviation of PANORAMA control for mono channels, for the stereo channels, always says, BALANCE control. You can adjust the stereo image of the signal via this control. Keep this control in center position and your signal will be positioned in the middle of stage. Turn this control fully counterclockw
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4.16 2TK IN Control 20 This control is used to adjust the level of 2TK IN signal, which can be varied from - to MAX. 4.17 PHONES/CTRL ROOM Control 21 This control sets the amount of signal sent to the control room and headphone. 4.18 AUX RETURN Controls 22 As implied in the name, the auxiliary returns are used to 'return' the signal from the external effects or processors to the main mix, but, 0 0 0 most of the times, it can also be worked as the additional stereo line inputs. In this typical co
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4.23 24 BIT DIGITAL EFFECTS (For AMX-140FX Model) - PRESETS Control 28 Adjust this knob to select the right effect you wish to perform. There are total 16 options for you: several kinds of reverb, mono and stereo delay, effects with modulation, and versatile two-effect combination. DSP FOOTSWITCH 29 - VARIATIONS Control 32 Since you have selected the preferable effect, the next step, please go with the fine consideration, there are also total 16 variations for each preset. Each variation may be
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4.25 MAIN MIX OUTPUT Connectors 34 MAIN MIX OUTPUT (BAL/UNBAL) The stereo output is supplied both with XLR and 1/4" TRS sockets, which is used to send the audio signal to an amplifier. Through the main mix level control, you can adjust the output level from - to +15dB. LEFT RIGHT 34 4.26 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 CONSUMPT
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5. INSTALLATION AND CONNECTION Ok, you have got to this point you are now in the position to successfully operate your AMX-140(FX). 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: Turn down al
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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 schematics. 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 Us
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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 -Stereo lead for insert Connection (To be used when the processor does not employ a single jack connection f
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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-140FX 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
