MLC LS12/2 Instruction Manual Download Page 3

MIDI LOOP & SWITCH LS12/2 

 Instruction Manual 3 

MARK  L  Custom  Guitar  Electronics  

 

Introduction 

 

Congratulations on buying your  MIDI/LOOP & SWITCH  LS12/2 

 
 

Our effect loops guarantee: 

 

-

 

perfectly

 

transparent sound 

-

 

ultra-clean sound thanks to using passive components  

-

 

signal to noise ration comparable to CD quality recording s(102dB) 

-

 

no dynamic loss 

-

 

full bandwidth  

-

 

silent, click-free switching,  even in high gain level  

-

 

MIDI compatibility ( CC# Control Change and PC# Program Change ) 

-

 

two relay contact closures (S1-S2) for devices utilizing switch to ground  

       functions 

-

 

high grade low noise ( 

INPUT 1 ) 

line buffer 

-

 

alternating or direct current operation 

 

 

 

LS12/2

 is equipped with 12 effect loops, 2 switches ground separated,  

LS12/2 

is controlled by MIDI CC (Control Change)  and MIDI PC ( Program Change ) 

commands over 16 MIDI channels. 

LS12/2 

is compatible with any type of MIDI controller capable of sending CC or PC midi 

commands, but to ensure proper operation and maximum effectiveness we recommend using 

MLC MARK L

 controllers. 

 
The effects loop can be hooked up with: 

-12 mono effects (12 effects plugged in before the amplifier) 
-12 mono effects  (12 effects plugged in the amplifier’s FX LOOP ) 
 

By dividing the loop into two sections we can plug in: 

- 12 mono effects (7 before the amplifier and 5 in the amplifier’s FX LOOP) 
- 5 stereo effects (5 left channels to loop 1-5 and 5 right channels to loop 8-11) achieving 5 

stereo

 loops for 5 effects 

- 7/5 or 5 

MUTE EFFECT

 (in pair with a line mixer) 

 
 

 
 
 
 
 
 
 

Summary of Contents for LS12/2

Page 1: ...MIDI LOOP SWITCH LS12 2 Instruction Manual 1 MARK L Custom Guitar Electronics 1 MIDI LOOP SWITCH LS12 2 Instruction Manual...

Page 2: ...MIDI LOOP SWITCH LS12 2 Instruction Manual 2 MARK L Custom Guitar Electronics 2 Contents Introduction Warranty 1 Front Panel 2 Rear Panel 3 MIDI 4 Configuration and effects plug in...

Page 3: ...ion LS12 2 is equipped with 12 effect loops 2 switches ground separated LS12 2 is controlled by MIDI CC Control Change and MIDI PC Program Change commands over 16 MIDI channels LS12 2 is compatible wi...

Page 4: ...The rear panel also features two MIDI IN receptacles used for processing the foot pedal signal and a MIDI THRU OUT a bypass thanks to which we can hook up an additional midi device which we want to co...

Page 5: ...by the former Defects and malfunctions caused by fire flood lightning strike or any other natural disaster acts of war or social turbulence corrosion rust staining short circuits wrong Voltage wear or...

Page 6: ...device is receiving MIDI signals and 16 buttons The buttons turn audio loops 1 through 12 on off and relay switches 1 through 2 on off The LED above each button is lit when the corresponding audio lo...

Page 7: ...t 12 x Send used for connecting the effect s IN socket 12 x Return used for connecting the effect s OUT socket 2 x Switch used for controlling the amplifier channels tone etc GND LIFT switch used for...

Page 8: ...MIDI LOOP SWITCH LS12 2 Instruction Manual 8 MARK L Custom Guitar Electronics 8...

Page 9: ...tar Electronics 9 3 Midi MIDI CONNECTION and Phantom Power for FX25 FX25ACE MIDI INPUT signal Pin 1 NC Pin 2 NC Pin 3 NC Pin 4 MIDI Pin 5 MIDI Pin 6 9VAC phantom power out Pin 7 9VAC phantom power out...

Page 10: ...NEL 4 4 CHANNEL 5 5 CHANNEL 6 6 CHANNEL 7 7 CHANNEL 8 8 CHANNEL 9 9 CHANNEL 10 A CHANNEL 11 B CHANNEL 12 C CHANNEL 13 D CHANNEL 14 E CHANNEL 15 F CHANNEL 16 To save a setting to a MIDI program change...

Page 11: ...Midi Control Change CC 13 L4 Midi Control Change CC 14 L5 Midi Control Change CC 15 L6 Midi Control Change CC 16 L7 Midi Control Change CC 17 L8 Midi Control Change CC 18 L9 Midi Control Change CC 19...

Page 12: ...MIDI LOOP SWITCH LS12 2 Instruction Manual 12 MARK L Custom Guitar Electronics 12 4 Configuration and effects plug in...

Page 13: ...MIDI LOOP SWITCH LS12 2 Instruction Manual 13 MARK L Custom Guitar Electronics 13...

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