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Alto S-6 - page 1
User's Manual LTO R www .altoproaudio.com V ersion 2.0 Dec. 2002 English 6 CHANNEL MIXING CONSOLE S6 ...
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Alto S-6 - page 2
1 SAFETY RELA TED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Protective Ground T erminal AC mains (Alternating Current) Hazardous Live T erminal ON: Denotes the product is turned on. OFF: Denotes the product is turned off. W ARNING Describes precautions that should be observed to prevent the possibility of death or injury to the user . CAUT ...
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Alto S-6 - page 3
2 PREF ACE Dear Customer: Thank you very much L T O AUDIO TEAM Thank you for choosing the L T O S-6 6-Channel Mixing Console, which is the result of our L TO AUDIO TEAM's endeavours. For the L T O 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 product ...
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Alto S-6 - page 4
T ABLE OF CONTENTS 1. INTRODUCTION..................................................................................................................................4 2. FEA TURES...........................................................................................................................................4 3. READY T O ST ART?........... ...
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Alto S-6 - page 5
1. INTRODUCTION 4 - 2 Input for Microphone provided with balanced 1/4" jack and XLR - 2 Stereo input for Line level signal provided with balanced TRS 1/4" jacks - The Microphone preamplifiers are Ultra Low Noise and are provided with +48 V olts Phantom Power - Main Output and Control Room outputs are unbalanced type - Precise 3 bands grap ...
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Alto S-6 - page 6
4. CONTROL ELEMENTS 1 2 3 1 2 3 EQ HI 12kHz HI 12kHz -15 +15 LOW 80Hz LOW 80Hz -15 +15 AUX 2 3/4 5/6 PA N RIGHT LEFT 1 EQ HI 12kHz HI 12kHz -15 +15 LOW 80Hz LOW 80Hz -15 +15 PA N RIGHT LEFT EQ HI 12kHz HI 12kHz -15 +15 LOW 80Hz LOW 80Hz -15 +15 AUX BAL RIGHT LEFT EQ HI 12kHz HI 12kHz -15 +15 LOW 80Hz LOW 80Hz -15 +15 AUX BAL RIGHT LEFT MIC 1 MIC 2 ...
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Alto S-6 - page 7
1 4.1 The MIC/LINE channels 2 4.2 INPUT LEVEL setting This Control is provided with 2 different indication rings: One is for the Mic- rophone and the other for the Line levels. When you use a microphone you shall read the OUTSIDE ring (0-60 dB); When you use a Line level instrument you shall read the inside ring (+15~-45 dB). For optimum operation ...
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Alto S-6 - page 8
7 4.5 AUX This control will send the audio signal to the Auxiliary Bus. The configura- tion is post-fader so the level sent to the AUX bus will be affected by the Main Level Control of that particular channel. Note: There is the possibility to configure this AUX Send as Pre-fader as we will explain later in this Manual. 8 4.6 P AN 9 4.7 PEAK 10 4.8 ...
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Alto S-6 - page 9
4.9 MASTER section 12 - PHONES/CONTROL ROOM 13 - LED METER This stereo 6 segments Led Meter will indicate the level of the overall output signal. 8 11 - MAIN MIX LEVEL 15 - AUX RETURN 14 - 2 TRACK signal path 16 - PHANTOM PWR This switch will apply +48 V olt Phantom Power only to the 2 XLR microphone inputs. Never con -nect microphones when the Pha ...
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Alto S-6 - page 10
19 - MAIN MIX OUTPUT Input - 2-TRACK IN/OUT 20 This stereo output is controlled by the Main Mix Level on the front panel and will send the audio signal to an amplifier . The output level can be varied from - to +15dB. 2-TRACK IN/OUT T APE IN T APE OUT RIGHT LEFT MAIN MIX OUTPUT R L 19 20 - STEREO AUX RETURN Use these stereo 1/4" phone socket t ...
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Alto S-6 - page 11
4.10 REAR P ANEL - POWER This switch is used to turn the Main Power ON and OFF . - 18V AC Used to connect the supplied AC Adapter . 25 26 25 26 10 POWER 18V AC~ CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN W ARNING: SHOCK HAZARD A VIS: RISQUE DE CHOC ELECTRIQUE - DO NOT OPEN - NE P AS OUVRIR ON OFF SERIAL MODEL RA TED POWER CONSUMPTION: 1 1W ...
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Alto S-6 - page 12
- T urn down all Input and Output Gain Controls - Connect phantom powered microphones before switching on the +48V olt Phantom Power switch - If you have a power amplifier connected to your S-6 set the Level of the amplifier at no more than 70% - Now , set the CONTROL ROOM/PHONE level at no more than 50%. IN this way you will be able to hear later ...
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Alto S-6 - page 13
12 Strain Clamp Sleeve Ti p Ring Sleeve=Ground/Screen Ring=Right Signal T ip=Left Signal Use for Headphone, Stereo Return 1/4" Stereo (TRS) Jack Plug Strain Clamp Sleeve Ti p Sleeve=Ground/Screen T ip=Signal Use for Mono Line In, Mono 1/4"Jack Plugs 1/4" Mono (TS) Jack Plug b. Some Final Tips on W iring Configuration Y ou can connect ...
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Alto S-6 - page 14
13 Modification on mono and stereo channels 6. FOR THE EXPERTS WHO W ANT TO KNOW MORE Before Disconnect the POST route Aux (PRE) POST After Aux (PRE) POST Solder the PRE route As we have told you previously in this Manual, the Aux Send Control both on Mono and stereo channels is factory wired as POST -F ADER. If you have some skill in electronic co ...
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Alto S-6 - page 15
14 7. SYSTEM BLOCK DIAGRAMS 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 S6-M AP . Sch Tit el Siz e File: Dat e: Draw n By: Sheet Revi s ion M odel No: 4-Oct -2002 KEVIN LIN. ALTO M I XING CON SOLE 1 1o f S-6 BLOCK DIAG RAM VER020820 A3 PU T CHANNE LS ( 1-2 ) 2 1 3 SG/OL LEFT- BUS RIGHT- BUS AUX RIG HT-BUS LE FT-B US AUX -1 PU T CHANNE LS (3 -6) LE FT-B US ...
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Alto S-6 - page 16
8. TECHNICAL SPECIFICA TION Stereo input channels Impedances Equalization Main Mix Section Power supply (AC/AC Adaptor) T ype Linear , External Input 18V AC Power 1 1W atts T ransformer External Wall Mount Physical Dimension (W D H) 171mm 224mm 34/40mm (6.73" 8.82" 1.18"/1.57") Net weight 1.33Kg (2.93lb) Without Adaptor 15 Mono ...
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Alto S-6 - page 17
16 9. W ARRANTY 1. W ARRANTY REGISTRA TION CARD T o obtain Warranty Service, the buyer should first fill out and return the enclosed W arranty Registration Card within 10 days of the Purchase Date. All the information presented in this W arranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport a ...
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Alto S-6 - page 18
SEIKAKU TECHNICAL GROUP LIMITED No. 1, Lane 17, Sec. 2, Han Shi W . Road, T aichung, 401 T aiwan http://www .altomobile.com T el: 886-4-22313737 email: info@altomobile.com Fax: 886-4-22346757 All rights reserved to AL T O Mobile. Due to continued development in response to customer feedback, product features, specifications and/or internal/external ...
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