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Alto PM-12 DRAGONFLY User Manual

12-channel mixing console with digital effects
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User's Manual
PM-12
12-CHANNEL MIXING CONSOLE
WITH DIGITAL EFFECTS
DRAGONFLY
R
LTO
www.altoproaudio.com
Version 1.0 November 2003
English

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Summary of Contents for Alto PM-12 DRAGONFLY

  • Page 1 User's Manual PM-12 12-CHANNEL MIXING CONSOLE WITH DIGITAL EFFECTS DRAGONFLY www.altoproaudio.com Version 1.0 November 2003 English...
  • Page 2 the recommended fuse type as indicated in this manual. SAFETY RELATED SYMBOLS Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is OFF and disconnected CAUTION from the AC outlet. RISK OF ELECTRIC SHOCK DO NOT OPEN Protective Ground This symbol, wherever used, alerts you to the pre-...
  • Page 3 PREFACE Dear Customer: Thank you for choosing the LTO PM-12 Dragonfly 12-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.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION..............................4 2. FEATURES................................5 3. QUICK START................................6 4. CONTROL ELEMENTS............................8 5. INSTALLATION AND CONNECTION........................20 6. PRESET LIST...............................21 7. SYSTEM BLOCK DIAGRAMS..........................30 8. TECHNICAL SPECIFICATION..........................31 9. WARRANTY................................33...

  • Page 5: Introduction

    PA in-stallations. The PM-12 Dragonfly 12-Channel Mixing Console with Digital Effects is packed with some key features that can not be found in other consoles of its size: 8 mono (these are provided with ultra low noise microphone pre-amplifiers and phantom power at +48 V) and 2 stereo input channels, and each of them is provided with warm, natural EQ (mono channels (1~8) are equipped with 3-band MID sweep EQ;...

  • Page 6: Features

    2. FEATURES The PM-12 Dragonfly 12-Channel Mixing Console with Digital Effects is designed for professional application. It provides the following features: Dragonfly digital amplifier technology, offering high power and a very dynamic sound Extremely high efficiency means the amplifier is so compact that the console is no larger and barely any heavier...

  • Page 7: Quick Start

    3. QUICK START 3.1 Please check the AC Voltage available in your country before connecting your PM-12 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.
  • Page 8 Stage Monitors Amplifier Use only with a 250V fuse Use only with a 250V fuse Use only with a 250V fuse 31 Band Graphic Equalizer HI-PASS LOW-PASS BY-PASS RANGE EQU131 40Hz 16 KHz CLIP 31.5 1.25K 1.6K 2.5K 3.15K 6.3K 12.5K LEVEL POWER...

  • Page 9: Control Elements

    4. CONTROL ELEMENTS MIC 1 MIC 2 MIC 3 MIC 4 MIC 5 MIC 6 MIC 7 MIC 8 LAMP DFX OUT FOOT SWITCH PHONES 12V 0 5A MONO OUTPUT LEVEL 2-TRACK IN/OUT LEVEL LINE IN 1 LINE IN 2 LINE IN 3 LINE IN 4 LINE IN 5...
  • Page 10 4. CONTROL ELEMENTS 4.1 The MONO MIC/LINE Channels These are channel 1 through channel 8. You can connect balanced, low impe- MIC 1 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 4.5 STEREO INPUTS These are Channel 9 through 12. They are organised in stereo pair and provided with 1/4" TRS phone sockets. If you connect only the left jack, the input will operate in LINE IN 9/10 LINE IN 11/12 mono mode.
  • Page 12 4.7.4 MID-LOW This control gives you up to 15dB boost or cut at 500Hz. 4.7.5 LOW This is the Bass control. Boost male voice or kickdrum and 12kHz 12kHz bass guitar. Your system will sound much bigger than what it is. The gain range goes from -15dB to +15dB and the center HI-MID 3kHz frequency is 80 Hz.
  • Page 13 4.12 FADER This fader will adjust the overall level of this channel and set the amount of signal sent to the main output or the corresponding subgroup output. SG/PEAK SG/PEAK MUTE MUTE 4.13 ASSIGNMENT Switches Each channel provides three assignment switches: SUB1-2, SUB SUB 1-2 SUB 1-2 3-4 and MAIN L-R.
  • Page 14 4.16 Master AUX SENDS Section AUX SENDS - Master AUX SENDS Controls The four switches are used to determine the master AUX SEND levels, SOLO - - - which can be varied from - to +15dB. When the external effect unit connected to mixer has no input gain control, SOLO - - - you can get a further +15dB gain available form these AUX SEND controls.
  • Page 15 4.18 SUBGROUPS Control Section - SUBGROUPS ASSIGN TO MAIN MIX Through these switches, you can operate the subgroup faders as a master control for assigning the subgroups to MAIN MIX. Engage the LEFT switch to send the corres- CLIP ponding subgroup signal to MAIN MIX L, and the RIGHT switch for MAIN MIX R.
  • Page 16 4.22 24-BIT DIGITAL STEREO EFFECTS PROCESSOR - 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 AUX1 combination.
  • Page 17 4.24 AUX SENDS Connectors These 1/4" phone sockets are used to send out the signal from the AUX bus to external devices such as effects. AUX SENDS 4.25 AUX RETURNS Connectors Use these stereo 1/4" phone sockets to return the sound of an effect unit to the main mix.
  • Page 18 LAMP 12V 0 5A DFX OUT FOOT SWITCH PHONES MONO OUTPUT LEVEL 4.30 DFX OUT This 1/4" socket is used to output the effect signal that comes from internal DSP module. 4.31 FOOTSWITCH This 1/4" socket can be used to connect an external footswitch to turn on/off the onboard effect module. 4.32 PHONES These sockets will send out the monitor signal to a pair of headphones.
  • Page 19 4.38 MAIN INSERT These two 1/4" phone sockets are stereo insert points and used to connect processors such as compressors, Expander etc.. When insert a external processor into the jack, the Main stereo signal will be taken out after the EQ and returned into the MAIN MIX output before the main mix fader.
  • Page 20 - Speaker Output Jacks CAUTTION LETHAL VOLTAGES MAY APPEAR AT OUTPUT TERMINALS CLASS 1 WIRING IS REOUIRED CHANNEL R CHANNEL L SLEEVE SLEEVE 4 OHM SPEAKER LOAD MIN. 300 WATTS/CH Your PM-12 is equipped with the advanced class D audio amplifier and the state of the art switching power technology, which can provide wide operating voltage range, high output power and thermally protected functions etc..

  • Page 21: Installation And Connection

    5. INSTALLATION AND CONNECTION Ok, you have got to this point and you are now in the position to successfully operate your PM-12. 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.
  • Page 22 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 1/4" Stereo (TRS) Jack Plug Sleeve Tip=Signal Strain Clamp Sleeve=Ground/Screen Use for Mono Line In, Mono 1/4"Jack Plugs...
  • Page 23 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 To Channel Insert Ring=Return Signal...

  • Page 24: Preset List

    6. PRESET LIST 01. VOCAL1 Pre-delay Rev. Type Hi Damp Rev Time Room Size 1.00 Hall Tape 1.00 Spring 4.50 3.60 Plate Spring 1.20 3.60 Hall Plate 1.50 Plate Spring 2.40 Tape 0.90 1.50 Plate 1.00 Hall Spring 1.00 Tape 2.10 4.50 Plate...
  • Page 25 4.00 -0.96 4.00 -12.00 4.00 -0.96 4.00 -12.00 3.60 -0.96 3.60 -12.00 3.60 -0.96 3.60 -12.00 04. SMALL HALL Pre-delay Hi Damp Rev Time Room Size Rev level 2.90 -0.96 2.90 -12.00 2.90 -0.96 2.90 -12.00 2.10 -0.96 2.10 -12.00 2.10 -0.96 2.10...
  • Page 26 06. SMALL ROOM Pre-delay Hi Damp Rev Time Room Size Rev level 2.10 -0.96 2.10 -12.00 2.10 -0.96 2.10 -12.00 1.50 -0.96 1.50 -12.00 1.50 -0.96 1.50 -12.00 1.00 -0.96 1.00 -12.00 1.00 -0.96 1.00 -12.00 0.70 -0.96 0.70 -12.00 0.70 -0.96 0.70...
  • Page 27 3.60 -0.96 3.60 -12.00 2.90 -0.96 2.90 -12.00 2.10 -0.96 2.10 -12.00 1.30 -0.96 1.30 -12.00 09. SPRING REVERB Pre-delay Hi Damp Rev Time Room Size Rev level -0.96 -12.00 4.50 -0.96 4.50 -12.00 -0.96 -12.00 3.60 -0.96 3.60 -12.00 2.90 -0.96 2.90...
  • Page 28 11. STEREO DELAY Delay Right Delay Left F.B. Right F.B. 12. FLANGER Mod. Freq Pitch. Depth Left F.B. Right F.B. 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. Pitch.
  • Page 29 2.33 -3(0) 1.99 -3(0) 1.70 -3(0) 1.35 -2(0) 1.00 -2(0) 0.50 -2(0) 14. REVERB+DELAY Rev Time Room Size Left Delay Right Delay Left F.B. Right F.B. Rev level 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...
  • Page 30 16. REVERB+CHORUS Rev Time Room Size Mod. Freq. Pitch. Depth Left F.B. Rev level 2.90 4.74 2.90 4.12 2.90 3.67 2.90 3.02 2.90 2.63 2.90 1.99 2.90 1.35 2.90 0.50 1.50 4.74 1.50 4.12 1.50 3.67 1.50 3.02 1.50 2.63 1.50 1.99 1.00...

  • Page 31: System Block Diagrams

    7. SYSTEM BLOCK DIAGRAMS...

  • Page 32: Technical Specification

    8. TECHNICAL SPECIFICATION Mono input channels Microphone input electronically balanced, discrete input configuration Frequency response 10Hz to 55kHz, + Distortion (THD & N) 0.005% at 4dBu, 1kHz Gain range 0dB to 45dB (MIC) SNR (Signal to Noise Ratio) 115dB Line input electronically balanced Frequency response 10Hz to 55kHz,...
  • Page 33 Power AMP section Power AMP output (sine @ 1% THD) 300W into 4ohm Power supply Main voltage USA/Canada 100 120V~, 60Hz Europe 210 240V~, 50Hz U.K./Australia 240V~, 50Hz Power Consumption 650 watts Fuse 100 120V~ : T10AL 210 240V~ : T6.3AL Main connection Standard IEC receptacle Physical...

  • Page 34: Warranty

    9. 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 35 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. No photocopying, translation or reproduction of any part of this user manual is allowed without prior written permission.Copyright...

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