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User's Manual
6-CHANNEL MIXING CONSOLE
L-6 WITH DIGITAL EFFECTS
R
LTO
www.altoproaudio.com
Version 1.0 September. 2003
English
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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- Before turning the product ON, make sure that it is sence of un-insulated and dangerous voltages with- connected to Ground. This is to prevent the risk of in the product encl
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PREFACE Dear Customer: Thank you for choosing the LTO L-6 6-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. The LTO line represents unparalleled analogue and digital products made by musicians, for musicians.
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TABLE OF CONTENTS 1. INTRODUCTION..................................................................................................................................4 2. FEATURES...........................................................................................................................................4 3. READY TO START?.............................................................................................................................4 4. CONTROL ELEMENTS...................
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1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing LTO L-6 6-Channel Mixing Console with Digital Effects. The L-6 is the smallest among our range of mixing consoles with digital effects. You will get the smooth, accurate more natural and open sound from this apparatus, and it is really ideal for small gigs, record- ing and fixed PA installations. The L-6 6-Channel Mixing Console with Digital Effects is packed with features that can not be found in ot
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4. CONTROL ELEMENTS STEREO AUX RETURNS AUX SENDS CONTROL ROOM OUTPUT MIC 1 MIC 2 R LTO L-6 2 1 2 1 6-CHANNEL MIXING CONSOLE 3 3 LEFT PHONES LEFT WITH DIGITAL EFFECTS RIGHT RIGHT BAL OR BAL OR LINE IN 3/4 LINE IN 5/6 MAIN MIX OUTPUT 2-TRACK IN/OUT UNBAL UNBAL L LINE IN 1 LINE IN 2 TRIM TRIM LEFT (MONO) LEFT (MONO) LEFT R +15dB -45dB LINE +15dB -45dB LINE 0dB 60dB MIC 0dB 60dB MIC RIGHT RIGHT RIGHT TAPE IN TAPE OUT 0 0 0 0 1 16 2 1 VIBRAFLANGE EQ EQ EQ EQ 15 3 2 FUNKY 14 4 3 ROCKABILLY 4 BIGSTAGE
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4.1 The MIC/LINE channels 1 These are Channel 1 and Channel 2. You can connect balanced, low impedance MIC 1 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 unbalanced microphone to the XLR socket if you do not want to damage both the Microphone and the Mixer. 2 1 3 4.1.1 PHANTOM POWER +48 Volts It is available only on the XLR input sockets. 1 BAL OR UNBAL 4.2 INPUT LEVEL setting 2 LINE IN 1 This Con
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4.3 The 3 BANDS EQUALISER A 3-band equaliser is provided for all input channels with a wide range of frequency adjustment. 0 EQ 4.4.1 HI 4 HI 4 12kHz This is the treble control. You can use it to get rid of high frequency -15 -15 +15 +15 noises or to boost the sound of cymbals or the high harmonics 0 of the human voice. The gain range goes from -15dB to +15dB with a center frequency of 12kHz. MID 5 2.5kHz 4.4.2 MID 5 -12 +12 0 This is the midrange control. It can affect most fundamental frequ -e
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4.9 MASTER section - MAIN MIX LEVEL 11 This Control sets the amount of signal 15 16 17 18 sent either to the Main Out socket or to the Tape Output. - PHONES/CONTROL ROOM 12 0 PHANT PHANTOM OM POWER This Control sets the amount of signal CLIP sent to the Control Room and head- 10 phone. PHANTOM PWR -+15 0 AUX RETURNS 13 (DFX) -4 - LED METER 13 -10 -30 This stereo 6 segments LED Meter will 2TK TO 2TK TO MIX CTRL ROOM L R indicate the signal level sent to CON- OUTPUT LEVEL 14 TROL ROOM and PHONE ou
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- 24 BIT DIGITAL EFFECTS PRESETS 19 1 16 Adjust this knob to select the right effect you wish 2 1 VIBRAFLANGE 15 3 2 FUNKY to perform. There are total 16 options for you: 14 4 3 ROCKABILLY 4 BIGSTAGE 13 5 5 Vibraflange, Funky, Rockabilly, Bigstage, Vibrato, 19 VIBRATO 8 12 6 9 Flanger and Chorus etc.. FLANGER 11 7 12 10 8 9 13 CHORUS 16 PRESETS FX LEVEL control 20 20 Rotating this control is used to adjust the output PEAK 0 10 0 10 level of FX signal, which can be varied from 0dB FX LEVEL REVERB
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STEREO AUX RETURNS AUX SENDS CONTROL ROOM OUTPUT R LTO L-6 6-CHANNEL MIXING CONSOLE LEFT PHONES LEFT WITH DIGITAL EFFECTS RIGHT RIGHT 25 26 27 28 25 - STEREO AUX RETURNS Use these stereo 1/4" phone socket to return the sound of an effect unit or sound processor to the Main Mix. Alternatively you can use them as an extra auxiliary input. 26 - AUX SENDS This 1/4" phone socket is used to send out the signal from the AUX Bus to external devices such as effects and sound processors. 27 - PHONES This
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5. INSTALLATION AND CONNECTION Ok, you have got to this point and you are now in the position to successfully operate your L-6. 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. So you should follow this procedure for every single channel: - Turn down all
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b. Some Final Tips on Wiring Configuration You can connect unbalanced equipment to balanced inputs and outputs. Simply follow these schematics. Ring=Right Signal Tip Sleeve Ring Strain Clamp Tip=Left Signal Sleeve=Ground/Screen Use for Headphone, Stereo Return 1/4" Stereo (TRS) Jack Plug Tip Sleeve Tip=Signal Strain Clamp Sleeve=Ground/Screen Use for Mono Line In, Mono 1/4"Jack Plugs 1/4" Mono (TS) Jack Plug 2 2 1 1 2=Hot(+) 2=Hot(+) 1=Ground/Screen 1=Ground/Screen 3 3 3=Cold(-) 3=Cold(-) Use fo
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6. FOR THE EXPERTS WHO WANT TO KNOW MORE As we have told you previously in this Manual, the Aux Send Control both on Mono and 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. Aux Aux (PRE) (PRE) Solder the PRE route Disconnect POST POST the POST route Before After Modification on mono and stereo channels 13
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7. PRESET LIST Eff.1 Variat (REVERB) Eff.2 Variat (FX) Position Name Vibraflange Spring Rev. 1 Waves Funky Spring Rev. Funky style 2 Rockabilly Tape Rev. Slow & Soft Flanger 3 Bigstage Solo Flanging 4 Hall Rev. Vibrato modul. Speed 4 5 Vibrato4 Base Rev. Vibrato modul. Speed 3 6 Vibrato3 Base Rev. Vibrato modul. Speed 2 7 Vibrato2 Base Rev. Vibrato modul. Speed 1 8 Vibrato1 Base Rev. Flanger4 Flanger modul. Speed 3 + mod. Depth + Feedbk 9 Base Rev. Flanger3 Flanger modul. Speed 4 + mod. Depth +
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8. SYSTEM BLOCK DIAGRAMS 15
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9. TECHNICAL SPECIFICATION Mono input channels Microphone input electronically balanced, discrete input configuration Frequency response 10Hz to 55kHz, + 3dB Distortion (THD & N) 0.005% at +4dBu, 1kHz Gain range 0dB to 60dB (MIC) SNR (Signal to Noise Ratio) 115dB Line input electronically balanced Frequency response 10Hz to 55kHz, + 3dB Distortion (THD & N) 0.005% at +4dBu, 1kHz Sensitivity range +15dBu to +/ 45dBu Stereo input channels Line input Balanced Frequency response 10Hz to 55kHz, + 3dB
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Power supply (AC/AC Adaptor) Main voltage USA/Canada 100 - 120V ~, 60Hz Europe 210 - 230V ~, 50Hz U.K./Australia 240V ~, 50Hz Power Consumption 15 watts Physical Dimension (W D H) 185mm 230mm 35/55mm Net weight 1.4kg (3.09 lb) Shipping weight 2.7kg (5.95 lb) 17
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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. Please fill out all the information carefully and genuinely, miswriting or absence of this card wil
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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. No photocopying, translation or reproduction of any part of this user c manual is allowed without prior written
