Alto APM-80.1000 Users Manual
APM80.1000
User's Manual
8-channel
Stereo Powered Mixer with DSP
R
LTO
www.altoproaudio.com
Version 1.0 Jan. 2007
English
SAFETY RELATED SYMBOLS
CAUTION
RISK OFELECTRIC SHOCK
DO NOTOPEN
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.
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.
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.
Disposing of this product should not be
placed in municipal waste and should be
Separate collection.
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.
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 APM80.1000 8-channel stereo powered mixer with DSP, which is the result of ourLTO
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 products made by musician, for musicians. With our design centres in Italy, the Netherlands, and 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 you our commitment for quality, continual research and development, and
of course the best prices.
The LTO is extremely flexible, ultra-low noise 8-channel stereo powered mixer with DSP, which isAPM80.1000
configured with six MIC/line and two stereo inputs channels, each of them is equipped with a variety of key features
including a 3-band equalizer, two aux sends and pan control etc.. Besides, the miraculous DSP with 256 presets and
powerful digital power amplifier will meet your requirements. To deserve to be mentioned, the output power of LTO
APM80.1000 APM80.1000is 2 500W.Seeing is believing, let's meet the LTO .
We would like to thank all the people who made the LTO possible, especially to our designers andAPM80.1000
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. QUICK START..........................................................................................................................................6
4. CONTROL ELEMENTS...........................................................................................................................7
4.1 MONO/STEREO Input Channel Section
4.2 MASTER SECTION Control
4.3 MASTER SECTION INPUT and OUTPUT Jacks
4.4 DSP Section
4.5 Rear Panel
5. PRESET LIST.........................................................................................................................................14
6. INSTALLATION AND CONNECTION ....................................................................................................15
6.1 Audio Connections
6.2 Speaker Connections
6.3 Possible System Connection Mode for Live Sound Application
7. TECHNICAL SPECIFICATION...............................................................................................................19
8. WARRANTY...........................................................................................................................................21
3
1. INTRODUCTION
Thank you very much for expressing your confidence in LTO products by purchasing LTO 8-APM80.1000
channel stereo powered mixer with DSP. The is professional, powerful mixer, which provides theAPM80.1000
state of the art digital amplifier technology specifically. You will get the smooth, accurate more natural and open
sound from this apparatus, it is really ideal for large gigs, recording and fixed PA installations.
The 8-channel stereo powered mixer with DSP is packed with some key features. For example: thereAPM80.1000
is six MIC/line inputs which provided with ultra low noise microphone pre-amplifiers and phantom power at +48V
plus two stereo inputs, each of them features a 3-band equalizer, two aux sends, pan and level control. The master
section includes stereo return, 2-track input/output for playing back stereo devices for recording your mix, sweet equalizers for main and monitor, 256 position multieffect and built-in feedback terminator and so on.
Though is very easy to operate, we strongly recommend you to go through each section of this manualAPM80.1000
carefully, in this way you will get the best out of .APM80.1000
4
2. FEATURES
The 8-channel stereo powered mixer with DSP is designed for professional application. It provides theAPM80.1000
following features:
Digital amplifier technology, offering high power and a very dynamic sound
9-band graphic EQ for MAIN / MONITOR
Built-in feedback terminator
6 MIC/line input channels with gold plated XLRs and balanced LINE inputs
2 Stereo input channels with balanced TRS jacks
Ultra-low noise discrete MIC preamps with +48V phantom power
Extremely high headroom offering more dynamic range
3-band equlizer on input channels
Each input channel with -20dB PAD, PAN and level control
2 AUX sends for built-in or external effects, on-stage monitor mix, or headphone mixing
256 position multieffect
2-track recording IN/OUT (phono)
Headphone output
2 500 watt EIAJ amplifiers (For )APM80.1000
Output connector: 6.3 jack + 4 way-speakon
5
3. QUICK START
3.1 Please check the AC Voltage available in your country before connecting to the AC socket.APM80.1000
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 Please connect one side of the speaker cable to speakon or phone jacks of and the other side toAPM80.1000
the input socket of your speaker cabinet; or connect one side to the main output L/R of and otherAPM80.1000
side to the input socket of your active speaker cabinet or other stereo power amplifier.
3.4 Complete these connections as illustrated.
3.5 When no external power amplifier or active speaker connected to the main output L/R of , pleaseAPM80.1000
switch on after turning on all external devices; after using, switch off before all externalAPM80.1000 APM80.1000
devices.
3.6 When the external power amplifier or active speaker connected to the main output L/R of , pleaseAPM80.1000
switch on before the external power amplifier or active speaker. After using, switch OffAPM80.1000 APM80.1000
after the external power amplifier or active speaker.
3.7 Before disconnecting the always turn-off the power switch.APM80.1000
3.8 Do not use solvents to clean your A dry and clean cloth will be OK.APM80.1000.
Active speaker 2
Passive speaker 2
Passive speaker 2
6
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