L-6
6-CHANNEL MIXING CONSOLEWITH DIGITAL EFFECTS
OWNER'S MANUAL
www.altoproaudio.com
Version 2.0 SEPTEMBER 2007
LTO
R
English
Page 1: ...L 6 6 CHANNEL MIXING CONSOLE WITH DIGITAL EFFECTS OWNER S MANUAL www altoproaudio com Version 2 0 SEPTEMBER 2007 LTO R English ...
Page 2: ...ective Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off The apparatus shall be connected to a mains socket outlet with a protective earthing connection The mains plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable CAUTION Describes precautions ...
Page 3: ...tory Presets and separate level for digital reverb There is a three bands EQ on all input channels and separate Main Mix and Control Room outputs for Multizone operation with different volume settings Use it for small GIGs and RECORDING Your L 6 also is a flexible tool for your Multi media presentations Enjoy your L 6 and make sure to read this Manual carefully before operation 2 MIC input channel...
Page 4: ...L ROOM BAL OR UNBAL 15dB 45dB LINE 0dB 60dB MIC LINE IN 1 TRIM MIC 1 BAL OR UNBAL 15dB 45dB LINE 0dB 60dB MIC LINE IN 2 TRIM MIC 2 LEFT LEFT RIGHT LINE IN 3 4 LEFT MONO RIGHT LINE IN 5 6 LEFT MONO RIGHT MAIN MIX OUTPUT LEFT 2 TRACK IN OUT TAPE IN TAPE OUT L R RIGHT RIGHT CONTROL ROOM OUTPUT 2TK TO MIX L R 15 8 15 8 15 8 15 8 15 8 D F X D F X D F X D F X AUX RETURNS DFX OUTPUT LEVEL PRE POST PRE PO...
Page 5: ...RUM MACHINE CD PLAYER DAT OR TAPE RECORDER DAT DIGITAL EFFECT UNIT POWERED STAGE MONITORS ACTIVE SPEAKERS ALTO PS4 HA BAL OR UNBAL 15dB 45dB LINE 0dB 60dB MIC LINE IN 1 TRIM MIC 1 BAL OR UNBAL 15dB 45dB LINE 0dB 60dB MIC LINE IN 2 TRIM MIC 2 LEFT LEFT RIGHT LINE IN 3 4 LEFT MONO RIGHT LINE IN 5 6 LEFT MONO RIGHT MAIN MIX OUTPUT LEFT 2 TRACK IN OUT TAPE IN TAPE OUT L R RIGHT RIGHT CONTROL ROOM OUTP...
Page 6: ...ter to your L 6 first and then into the AC outlet making sure that the available voltage is the same with your L 6 b Before turning on the L 6 you shall connect it to a power amplifier and speakers Turning off the mixer BEFORE the power amplifier c Plug the microphone into Channel 1 MIC IN f Turn on your L 6 g With LEVEL control on 0 position sing or speak in to the microphone with normal volume a...
Page 7: ...ower Use switch 24 to activate deactivate phantom power These two channels are also equipped with 1 4 TRS balanced unbalanced LINE IN plugs to connect line level instruments such as keyboards drum machines and effect devices NOTE Never try to connect a line level signal to the XLR MIC input when the phantom power is engaged or you may seriously damage your equipment 2 STEREO LINE INPUTS 3 to 6 The...
Page 8: ...0 PHONES This socket will be used to send the signal to a pair of headphones 11 LEVEL This knob controls the channel s level from to 15 dB 12 PEAK LED This red LED will let you know about the status of the signals processed into your L 6 Connect a microphone or an instrument to your L 6 and sing play at normal volume Set the level control of that channel so that the PEAK LED lights up only occasio...
Page 9: ...fect on a single channel and you may overload the signal easily Individual EQ will give you a much better control on single tracks 15 HI If you turn this control up you will boost all the frequencies above 12 kHz shelving filter You will add transparency to vocals and guitar and also make cymbals crispier Turn the control down to cut all frequencies above 12 kHz In such way you can reduce sibilanc...
Page 10: ... of your woofers MASTER SECTION 18 MAIN MIX LEVEL This knob controls the level of the signal sent to MAIN OUTPUTS and TAPE OUT Also AUX RETURNS signals will be sent to this control 19 PHONES CONTROL ROOM LEVEL This knob controls the signal sent to CONTROL ROOM OUTPUT PHONES OUTPUT 20 OUTPUT LEVEL METERS These consist of two column of 6 LEDs each ranging from 30 dB to 18 dB CLIP The 0 LED correspon...
Page 11: ...s control to select the desired effect There are a total of 16 Factory presets available including pitch variations Vibratos Flanger Chorus etc 24 PHANTOM PWR Switch This button will apply 48 Volt Phantom Power only to the 2 XLR MIC input sockets When condenser microphones are not used please make sure that the Phantom Power is disengaged DSP SECTION Your L 6 includes a quite unique and innovative...
Page 12: ...LED This LED lights up when the input signal is too strong CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING SHOCK HAZARD AVIS RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR SERIAL MODEL POWER ON OFF AC INPUT 10 SPOTLIGHT 4 CONTROL ELEMENTS 31 POWER SWITCH This switch is used to turn the main power ON and OFF 32 AC INPUT This connector is used to connect the supplied AC Adapter REAR PANEL 31...
Page 13: ...ocedure for every single channel 5 INSTALLATION AND CONNECTION 3 Set the output level of your L 6 or the connected power amplifier at no more than 75 8 While speaking into the microphone or playing the instrument adjust the channel level control so that the PEAK LED will blink occasionally in this way you will maintain good headroom and ideal dynamic range 9 Now repeat the same sequence for all in...
Page 14: ...near potentiometer All potentiometers in your L 6 are of rotary type but we keep the pre fader post fader description that is quite industry standard and easily understandable When your L 6 leaves the Alto Factory the AUX bus of all input channels is wired post fader In this way the Aux bus can be used for the internal or external multi effect If you want to use the L 6 Aux bus for powered stage m...
Page 15: ...ecay time 5 4s Rate 4 8 Hz Vibrato 3 Slight variation of pitch resulting from the free oscillation of the vocal cords Rate 3 8 Hz Vibrato 2 Slight variation of pitch resulting from the free oscillation of the vocal cords Rate 3 0 Hz Vibrato 1 Slight variation of pitch resulting from the free oscillation of the vocal cords Rate 2 0 Hz Rate 4 9 Hz Flanger 3 Simulate to play with another person carry...
Page 16: ...14 8 BLOCK DIAGRAM ...
Page 17: ...5 at 4 dBu 1 kHz Microphone input 1 4 kOhm All other inputs 10 kOhm or greater Tape out 1 kOhm All other output 120 Ohm Equalization DSP Section Hi shelving 15 dB 12 kHz Mid bell 15 dB 2 5 kHz Low shelving 15 dB 80 Hz A D and D A converters 24 bit DSP resolution 24 bit Type of effects Vibraflange Funky Rockabilly Bigstage Vibrato1 4 Flanger1 4 Chorus1 4 Presets 16 Controls 16 position PRESET Selec...
Page 18: ...period of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service LTO may repair or replace this product at its own option at no charge to you for parts or for labor in accorda...
Page 19: ...py translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan http www altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 ...
