User's Manual
S-16 |
16-CHANNEL MIXING CONSOLE |
R
LTO
www.altoproaudio.com
Version 2.2 August 2004
English
SAFETY RELATED SYMBOLS
CAUTION |
RISK OF ELECTRIC SHOCK |
DO NOT OPEN |
This symbol, wherever used, alerts you to the presence of un-insulated and dangerous voltages within 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 important operating and maintenance instructions. Please read.
Protective Ground Terminal
AC mains (Alternating Current)
Hazardous Live Terminal
ON: 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.
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 fire.
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.
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 SAFETY 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 instructions contained within the User's Manual.
1
PREFACE
Dear Customer:
Thank you for choosing the 
LTO S-16 16-Channel Mixing Console, which is the result of our 
LTO AUDIO TEAM's endeavours.
For the 
LTO AUDIO TEAM, music and audio is 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 products made by musicians, for musicians. With our design centres in Italy, the Netherlands, and the 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 
LTO products you become the most important member of our 
LTO 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 developing future products for you. We guarantee to you our commitment for quality, continual research and development, and of course the best prices.
The 
LTO S-16 is an extremely flexible, ultra-low noise 16-channel console, configured with 8 mono and 8 stereo input channels. Each channel is equipped with a variety of key features including a warm, natural sounding EQ, Peak LEDs, MUTE/ALT 3-4, SOLO-in-place and high quality faders.
We would like to thank all the people who made the 
LTO S-16 16-Channel Mixing Console possible, especially to our designers and 
LTO 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.
LTO AUDIO TEAM
2
TABLE OF CONTENTS |
|
|
1.INTRODUCTION...................................................................................................................................................... |
4 |
|
2.FEATURES............................................................................................................................................. ................ |
5 |
|
3.GETTING STARTED................................................................................................................................................. |
6 |
|
4.CONTROL ELEMENTS........................................................................................................................................... |
7 |
|
4.1 |
The mono MIC/LINE channel....................................................................................................................... |
8 |
4.2 |
INPUT LEVEL setting.................................................................................................................................. |
8 |
4.3 |
LOW CUT FILTER........................................................................................................................................ |
8 |
4.4 |
STEREO INPUTS......................................................................................................................................... |
9 |
4.5 |
+4dBu / -10dBV............................................................................................................................................ |
9 |
4.6 |
PHONES...................................................................................................................................................... |
9 |
4.7 |
EQUALISER.................................................................................................................................................. |
9 |
4.8 |
AUX SEND ................................................................................................................................................. |
10 |
4.9 |
PAN.............................................................................................................................................................. |
10 |
4.10 MUTE / ALT 3-4 ......................................................................................................................................... |
10 |
|
4.11 SOLO ........................................................................................................................................................ |
10 |
|
4.12 SOLO LED ................................................................................................................................................. |
10 |
|
4.13 PEAK.......................................................................................................................................................... |
11 |
|
4.14 FADER........................................................................................................................................................ |
11 |
|
4.15 INSERT....................................................................................................................................................... |
11 |
|
4.16 MAIN SECTION......................................................................................................................................... |
11 |
|
4.17 REAR PANEL ............................................................................................................................................ |
14 |
|
5.INSTALLATION & CONNECTION............................................................................................................................. |
15 |
|
6.FOR THE EXPERTS WHO WANT TO KNOW MORE............................................................................................... |
18 |
|
7.SYSTEM BLOCK DIAGRAMS................................................................................................................................. |
19 |
|
8.TECHNICAL SPECIFICATIONS................................................................................................................................ |
20 |
|
9.WARRANTY.............................................................................................................................................................. |
21 |
|
3
1.INTRODUCTION
Your S-16 is the "big brother" of one of the most popular and best selling mixer in the world, S-8, that has been sold already in terms of thousands of units worldwide. Despite its compact dimensions, great performances and sound quality are insured thanks to the specification of the components used and the building quality.
Your S-16 is packed with features that can not be found in other consoles of its size: 8 Mono (these are provided with Ultra Low Noise microphone preamplifiers and Phantom Power at +48 Volt) and 8 stereo input channels are provided, and each of mono channels is provided with a 3 bands MID sweep equaliser, each of stereo channels is provided with a 4 bands fixed frequency equaliser.
Your S-16 is very easy to operate but we advise you to go through each Section of this Manual carefully. In this way you will get the best out of your S-16.
4
2.FEATURES
The S-16 16-Channel Mixing Console is designed for the professional application, and presents with the following specific features:
. Ultra-low noise 16-channel 2+2-bus mixing console
. 8 MIC input channels with gold-plated XLRs and phone connectors
. 4 stereo input channels with balanced TRS jacks
. 2 stereo AUX returns for additional functionality
. Ultra-low noise discrete MIC preamps with +48V Phantom power
. Independent main mix, control room and headphone outputs
. Peak LEDs on each channel
. Low noise, high headroom
. Balanced inputs and main outputs
. PRE and POST fader AUX routing for external effects and monitoring
. 2-Track inputs assignable to Main Mix, Phones/Control Room outputs
. Switchable low-cut filter on each mono channel
. +4dBu/-10dBV on each stereo channel
. Mute/Alt 3-4, Solo function on each channel
. Inserts on MIC channel
. 12-segment bar-graph meters for optimum reading of the output signal
. High quality faders and sealed potentiometer
5
3.GETTING STARTED
3.1Please check the AC Voltage available in your Country before connecting your S-16 to the AC socket.
3.2Be 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.
3.3Before turning on the S-16 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.
3.4Before disconnecting the S-16 always turn-off the Power switch.
3.5Do not use solvents to clean your S-16. A dry and clean cloth will be OK.
6
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