User's Manual L-16 16-CHANNEL COMPACT INTEGRATED LIVE SOUND MIXER WITH DIGITAL EFFECTS R LTO www.altoproaudio.com Version 1.
Fuse SAFETY RELATED SYMBOLS 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. 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.
PREFACE Dear Customer: Thank you for choosing the LTO L-16 16-Channel Compact Integrated Live Sound Mixer 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.
TABLE OF CONTENTS 1. INTRODUCTION...................................................................................................................................................4 2. FEATURES...........................................................................................................................................................5 3. READY TO START?...............................................................................................................................................
1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing LTO L-16 16 Channel Compact Integrated Mixer with Digital Effects. The L-16 is a professional compact mixer. 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.
2. FEATURES The L-16 16 Channel Compact Integrated Mixer with Digital Effects is designed for professional appliance.
3. READY TO START? 3.1 Please check the AC Voltage available in your Country before connecting your L-16 to the AC socket. 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 Before turning on the L-16 you shall connect it to a power amplifier and turn-on the mixer BEFORE the power amplifier.
- - - - -15 0 0 0 0 0 2 -60 -60 1 -30 -40 -30 -40 SOLO -25 -20 -25 -10 -20 MAIN L-R 0 0 0 0 0 SOLO MAIN L-R SUB 3-4 SUB 1-2 MUTE PAN DFX2 (INT) DFX1 (EXT) POST PRE AUX LOW 80Hz FREQ MID HI 12kHz RIGHT +15 +15 +15 +15 +15 8kHz +15 +15 SG/PEAK -10 -5 -5 SUB 3-4 0 5 5 0 10 dB 10 SUB 1-2 - - - - -15 LEFT 4 3 2 1 0 800 100Hz -15 -15 dB MUTE PAN DFX2 (INT) DFX1 (EXT) POST PRE AUX LOW 80Hz FREQ MID HI 12kHz RIGHT +15 +15 +
4. CONTROL ELEMENTS 1 4.1 The MONO MIC/LINE Channels These are Channel 1 through Channel 8. You can connect balanced, low impedance 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. 48 Volt phantom power MIC 1 2 1 3 4 1 LINE IN 1 It is available only to the XLR Mic sockets.
6 4.5 STEREO INPUTS MIC 10 These are Channel 9 through 16. They are organised in stereo pair (9/10 and 11/12 pairs also feature XLR Mic inputs 9 and 10) and they are provided with 1/4" TRS phone sockets. 2 1 3 If you connect only the left jack, the input will operate in mono mode.
10 4.6.4 MID-LOW This control gives you up to 15dB boost or cut at 500Hz. 0 4.6.5 LOW 0 EQ 11 EQ HI 12kHz HI 12kHz This is the Bass control. Boost male voice or kickdrum and bass guitar. Your system will sound much bigger than what it is. The gain range goes from -15dB to +15dB and the center frequency is 80 Hz. -15 0 -15 0 +15 +15 HI-MID 3kHz MID -15 800 -15 0 +15 +15 MID-LOW 500Hz FREQ 100Hz -15 8kHz 12 0 LOW 80Hz - AUX3 and AUX4 are configured as POST-Faders.
4.10 FADER 16 This Fader will adjust the overall level of this channel and set the amount of signal sent to the Main output or the corresponding subgroup output. SG/PEAK SG/PEAK MUTE 4.11 ASSIGNMENT Control 17 Each channel provides four push-buttons: SUB1-2, SUB3-4, MAIN L-R and SOLO.
20 21 22 AUX SENDS When the external effect unit connected to mixer has no input gain control, you can get a further +15dB gain available form these AUX SEND outputs.
25 - SUB1-2/SUB3-4/MAIN MIX These three buttons are configured for AUX RETURN4, they can be regarded as the signal assignment switches. Engage the SUB1-2 button to assign the stereo signal from AUX RETURN4 to Submix1/2; in the same way, SUB3-4 for Submix3/4, MAIN MIX for MAIN MIX buses. 26 - AUX RETURN SOLO The function of AUX RETURN SOLO is like the channel SOLO button. Engaging it sends the signal from AUX RETURN (1-4) to the CTRL OUT, PHONES outputs and METERS display.
- 24 BIT DIGITAL EFFECTS 33 37 38 Adjust this knob to select the right effect you wish to perform. There are total 16 options for you: several kinds of reverb, mono and stereo delay, effects with modulation, and versatile two-effect combination.
43 - 2-TRACK IN/OUT 2-TRACK IN/OUT TAPE IN Use the Tape input if you wish to listen to your Mix from a Taper Recorder or DAT. You can assign the signal coming from the Taper Recorder either to a pair of studio monitor using the Control Room assignment on the front panel or you can also send the signal directly to the Main Mix. L LAMP 12V 0.5A R TAPE IN TAPE OUT TAPE OUT These RCA jacks will route the main mix into a tape recorder.
MAIN MIX OUTPUT (BAL/UNBAL) 49 MAIN INSERT +4dBu -30dBu L 2 1 MAIN OUTPUT LEVEL 3 TIP SEND RING RETURN MONO CTRL OUT DFX OUT 0 48 R 2 1 L L R R - 8 54 +15 L R 3 FOOT SWITCH (BAL/UNBAL) 50 52 51 53 55 48 - MAIN MIX OUTPUT This stereo output is supplied with both the XLR and 1/4" phone sockets and it is controlled by the Main Mix Level. 49 - MAIN OUTPUT LEVEL This button sets the main mix output level to match the input of the device that you are ready to connect.
56 AUX SENDS 1 2 1 2 3 4 AUX RETURNS 3 4 L L L L R R R R 57 56 - AUX SENDS These 1/4" phone sockets are used to send out the signal from the AUX Bus to external devices such as effects. 57 - AUX RETURNS Use these stereo 1/4" phone sockets to return the sound of an effect unit to the Main Mix. You can also use them as an extra auxiliary input.
- DIRECT OUTS 58 Each MONO MIC/LINE channel (CH1-CH8) is equipped the 1/4" phone socket for direct output. These jacks are used to send the signal from the channel path to external device for recording function etc.. - SUBGROUPS OUT 59 These 1/4" phone sockets are used to connect the inputs of deck or available for a complicated PA live sound system. You will find it is the best tool when you operate the SUBGROUPS OUT. - SUBGROUPS INSERT 60 These 1/4" phone sockets are insert points.
5. INSTALLATION AND CONNECTION Ok, you have got to this point and you are now in the position to successfully operate your L-16. 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.
5.1 SOME FINAL TIPS ON WIRING CONFIGURATION You can connect unbalanced equipment to balanced inputs and outputs. Simply follow these schematics.
Ring=Return Signal (Connected together) To Channel Insert Sleeve=Ground/Screen Tip=Signal To Tape or FX Input Sleeve=Ground/Screen 'Tapped' Connection Direct Output Lead (Enables the Insert to be used as a Direct Output while maintaining the channel signal flow) To Processor Input Sleeve=Ground/Screen Tip=Send Signal Tip To Channel Insert Sleeve Ring=Return Signal Ring To Processor Output -Stereo lead for insert Connection (To be used when the processor does not employ a single jack connection
6. PRESET LIST No. Preset Description Controllable parameter Parameter Variable range 1 VOCAL 1 Simulate a room with small delay time. Decay time Pre-delay 0.8~1.1s 0~79ms 2 VOCAL 2 Simulate a small space with slight decay time. Decay time Pre-delay 0.8~2.5s 0~79ms 3 LARGE HALL Simulate a large acoustic space of the sound. Decay time Pre-delay 3.6~5.4s 23~55ms 4 SMALL HALL Simulate a small acoustic space of the sound. Decay time Pre-delay 1.0~2.
23 A B C 1 LEFT(MONO) 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T + - + - 75Hz HI PASS DFX OUT RIGHT LEFT(MONO) R T S STEREO AUX RTN4 RIGHT LEFT(MONO) STEREO AUX RTN3 RIGHT LEFT(MONO) STEREO AUX RTN2 RIGHT LEFT(MONO) STEREO AUX RTN1 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 5e S 3c R 4d RN 2b TN 1a T 2 DSP F
8. TECHNICAL SPECIFICATION Mono input channels Microphone input Frequency response Distortion (THD & N) Gain range SNR (Signal to Noise Ratio) Line input Frequency response Distortion (THD & N) Sensitivity range electronically balanced, discrete input configuration 10Hz to 55kHz, + 3dB 0.005% at + 4dBu, 1kHz 0dB to 60dB (MIC) Line input Frequency response Distortion (THD & N) Balanced/unbalanced 10Hz to 55kHz, + 3dB 0.
Power supply Main voltage USA/Canada Europe 100 120V~, 60Hz 210 240V~, 50Hz U.K./Australia 240V~, 50Hz 65 watts 100 120V~ : T800mAL 210 240V~ : T500mAL Standard IEC receptacle Power Consumption Fuse Main connection Physical Dimension (W D H) 518mm 400mm 38/115mm (20.39" 15.75" 1.49"/4.53") 7.8Kg (17.
9. 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.
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 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright c 2005 SEIKAKU GROUP NF 01493-1.
