Alto AMX-140 User Manual
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Alto AMX-140 User Manual

14-channel mixing console with digital effects
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See also: Service Manual
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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Summary of Contents for Alto AMX-140

  • Page 1 User's Manual AMX-140FX/ 14-CHANNEL MIXING CONSOLE/ with DIGITAL EFFECTS AMX-140 www.altoproaudio.com Version 1.0 December 2003 English...

  • Page 2: Safety Related Symbols

    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.
  • Page 3 LTO AMX-140(FX) mixing console is equipped with 4 mono input channels (these are provided with ultra low noise microphone pre-amplifiers and phantom power at +48 Volt), 4 stereo input channels, 4 stereo aux returns and 2 TK IN.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1.INTRODUCTION...4 2.FEATURES...5 3.READY TO START?...6 4.CONTROL ELEMENTS...7 MONO MIC/LINE Channels ...9 INPUT LEVEL Setting ...9 MONO Channel INSERT ...9 LOW CUT Switch ...9 STEREO Inputs ...10 3 BANDS EQUALIZER Controls ...10 AUX SENDS Controls ...10 PAN/BAL Control ...11 PEAK LED ...11 4.10 LEVEL Control ...11 4.11 MAIN MIX LEVEL Dial ...11...

  • Page 5: Introduction

    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 noise microphone pre-amplifiers and phantom power at +48 Volt) and 4 stereo input channels, and each of them is provided with a 3 bands graphic equalizer for HI, MID and LOW controls ;...

  • Page 6: Features

    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...

  • Page 7: Ready To Start

    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 amplifier. Once you have finished your working session you shall turn the mixer off AFTER the power amplifier.

  • Page 8: Control Elements

    4. CONTROL ELEMENTS AMX-140FX MIC 1 MIC 2 MIC 3 J.T. J.T. J.T. J.T. BAL OR BAL OR BAL OR BAL OR UNBAL UNBAL UNBAL UNBAL LINE IN 1 LINE IN 2 INSERT INSERT TRIM TRIM TRIM +15dB +15dB -30dB LINE -30dB LINE +15dB +15dB...
  • Page 9 AMX-140 MIC 1 MIC 2 MIC 3 J.T. J.T. J.T. J.T. J.T. J.T. BAL OR BAL OR BAL OR BAL OR UNBAL UNBAL UNBAL UNBAL LINE IN 1 LINE IN 2 INSERT INSERT TRIM TRIM TRIM +15dB +15dB -30dB LINE...

  • Page 10: Mono Mic/Line Channels

    4.1 MONO MIC/LINE Channels 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 either a microphone or a line level instrument. You shall never connect an un- balanced microphone to the XLR socket if you do not want to damage both the microphone and the mixer.

  • Page 11: Stereo Inputs

    4.5 STEREO Inputs These are Channel 5 through 8. They are organised in stereo pair and provided with 1/4" TRS sockets. If you connect only the left jack, the input will operate in mono mode. 4.6 3 BANDS EQUALIZER Controls A 3-band equalizer is provided for all input channels with a wide range of frequency adjustment.

  • Page 12: Pan/Bal Control

    4.9 PEAK LED Inside your AMX-140(FX) the audio signal is monitored in several different stages and then sent to the PEAK LED. When this LED blinks, it warns you that you are reaching signal saturation and possible distortion. The PEAK LED will blink with a level that is 6dB before actual clipping.

  • Page 13: 2Tk In Control

    4.16 2TK IN Control This control is used to adjust the level of 2TK IN signal, which can be varied from - 4.17 PHONES/CTRL ROOM Control This control sets the amount of signal sent to the control room and headphone. 4.18 AUX RETURN Controls 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,...

  • Page 14: Bit Digital Effects (For Amx-140Fx Model)

    4.23 24 BIT DIGITAL EFFECTS (For AMX-140FX Model) - PRESETS Control 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.

  • Page 15: Main Mix Output Connectors

    4.25 MAIN MIX OUTPUT Connectors 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.

  • Page 16: Installation And Connection

    Connect phantom powered microphones before switching on the +48Volt phantom power switch. If you have a power amplifier connected to your AMX-140(FX) set the level of the amplifier at no more than 75%. Now, set the CONTROL ROOM/PHONES level at no more than 50%. In this way you will be able to hear later you are doing connecting a pair of headphones or a pair of powered studio monitor speakers.
  • Page 17 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 Sleeve Ring Strain Clamp Tip=Left Signal Sleeve=Ground/Screen Use for Headphone, Stereo Return 1/4" Stereo (TRS) Jack Plug Sleeve Tip=Signal Strain Clamp...
  • Page 18 Ring=Return Signal (Connected together) Sleeve=Ground/Screen Tip=Signal Sleeve=Ground/Screen 'Tapped' Connection Direct Output Lead (Enables the Insert to be used as a Direct Output while maintaining the channel signal flow) Sleeve=Ground/Screen Ring=Return Signal Sleeve Ring -Stereo lead for insert Connection (To be used when the processor does not employ a single jack connection for the In/Out Connections) To Channel Insert To Tape or FX Input...

  • Page 19: For The Experts Who Want To Know More

    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.

  • Page 20: Preset List

    7. PRESET LIST (For AMX-140FX Model) 01. VOCAL1 Pre-delay 02. VOCAL2 Pre-delay 03. LARGE HALL Pre-delay Rev Time Room Size 1.00 1.00 4.50 3.60 1.20 3.60 1.50 2.40 0.90 1.50 1.00 1.00 2.10 4.50 1.70 Rev Time Room Size 1.00 0.80 3.60 1.20...

  • Page 21: Small Hall

    04. SMALL HALL Pre-delay 05. LARGE ROOM Pre-delay 4.00 4.00 4.00 4.00 3.60 3.60 3.60 3.60 Rev Time Room Size 2.90 2.90 2.90 2.90 2.10 2.10 2.10 2.10 1.50 1.50 1.50 1.50 1.00 1.00 1.00 1.00 Rev Time Room Size 4.50 4.50 4.50...
  • Page 22 06. SMALL ROOM Pre-delay 07. PLATE Pre-delay 08. TAPE REVERB Pre-delay Rev Time Room Size 2.10 2.10 2.10 2.10 1.50 1.50 1.50 1.50 1.00 1.00 1.00 1.00 0.70 0.70 0.70 0.70 Rev Time Room Size 6.10 5.40 4.50 4.00 3.60 2.90 2.40 2.10...

  • Page 23: Spring Reverb

    09. SPRING REVERB Pre-delay 10. MONO DELAY Delay 3.60 3.60 2.90 2.90 2.10 2.10 1.30 1.30 Rev Time Room Size 4.50 4.50 3.60 3.60 2.90 2.90 2.40 2.40 1.70 1.70 1.30 1.30 F.B. -0.96 -12.00 -0.96 -12.00 -0.96 -12.00 -0.96 -12.00 Hi Damp Rev level...

  • Page 24: Stereo Delay

    11. STEREO DELAY Delay 12. FLANGER Mod. Freq 2.79 2.52 2.33 2.25 2.10 1.99 1.75 1.61 1.34 1.22 1.00 0.80 0.65 0.54 0.42 0.16 13. CHORUS Mod. Freq. 5.00 4.74 4.39 4.12 3.90 3.67 3.32 3.02 2.87 2.63 Right Delay Left F.B.
  • Page 25 2.33 1.99 1.70 1.35 1.00 0.50 14. REVERB+DELAY Rev Time Room Size 2.90 2.90 2.90 2.90 2.40 2.40 2.40 2.40 2.10 2.10 1.50 1.50 1.50 1.50 1.00 1.00 15. REVERB+FLANGER Rev Time 2.90 2.90 2.90 2.90 2.90 2.90 2.90 2.90 1.50 1.50 1.50...
  • Page 26 16. REVERB+CHORUS Rev Time 2.90 2.90 2.90 2.90 2.90 2.90 2.90 2.90 1.50 1.50 1.50 1.50 1.50 1.50 1.00 1.00 Room Size Mod. Freq. Pitch. Depth 4.74 4.12 3.67 3.02 2.63 1.99 1.35 0.50 4.74 4.12 3.67 3.02 2.63 1.99 1.35 0.50 Left F.B.

  • Page 27: System Block Diagrams

    8. SYSTEM BLOCK DIAGRAMS SEND AUX-2 AUX-1 RIGHT-BUS LEFT-BUS SEND AUX-2 AUX-1 RIGHT-BUS LEFT-BUS...

  • Page 28: Technical Specification

    9. TECHNICAL SPECIFICATION Mono input channels Microphone input Frequency response Distortion (THD & N) Gain range SNR (Signal to Noise Ratio) Line input Frequency response Distortion (THD & N) Sensitivity range Stereo input channels Line input Frequency response Distortion (THD & N) Impedances Microphone input Channel Insert return...
  • Page 29 Power supply (AC/AC Adaptor) Main voltage Power Consumption Physical Dimension (W D H) Net weight Shipping weight USA/Canada 100 120V~, 60Hz Europe 210 240V~, 50Hz U.K./Australia 240V~, 50Hz 17.1 watts 270mm 310mm 35/45mm (7.79" 8.95" 1.01"/1.30") 3.0Kg (6.61lb) 3.6Kg (7.94lb)

  • Page 30: Warranty

    10. 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.
  • Page 31 SEIKAKU TECHNICAL GROUP LIMITED No. 1, Lane 17, Sec. 2, Han Shi W. Road, Taichung, 401 Taiwan http://www.altomobile.com Tel: 886-4-22313737 email: info@altomobile.com Fax: 886-4-22346757 All rights reserved to ALTO Mobile. Due to continued development in response to customer feedback, product features, specifications and/or internal/external design may be changed without prior notice.

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Amx-140fx

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