The Zoom LiveTrak™ L-20R is a rack-mountable digital mixer that allows musicians to control their live mix right from the stage with the use of an iPad. With wireless control, 20 discrete channels, 22 tracks of recording and six custom monitor mixes, the L-20R offers a complete solution for any venue
Portable and Powerful
Featuring 16 mono mic/line inputs and two stereo inputs, the L-20R can handle the most demanding stages. The L-20R offers two EFX busses and each channel includes a 3-band EQ, pan controls and compressor.
22 Tracks of Recording
During your live performance, record 20 channels plus a stereo mix directly to an SD card, then transfer your tracks to your DAW for your final edit. *Effects, EQ, overdub, audio interface, and fader modes A-F are not available in 96 kHz.
It’s Your MonitorMake It Your Mix
With six independent monitor outputs, the L-20Renables musicians to create their own custom mix.
A dedicated output enables the FOH engineer to easilyswitch between monitoring the main and sub mixes.
iPad Control
With iPads, the FOH engineer and 6 musicians can control their own mix from anywhere in the venue.
*Compatible with all iPad Air models, iPad Mini 2 and later, iPad Pro, and iPad (2017), running iOS 10.3.3 or newer.
“In the New York City club scene, the L-20R’s size and features make my life a lot easier. It’s got plenty of inputs. It’s got wireless control.It’s got all I need.”
—Dennis McCalla, EngineerThe Kennedy Administration
Scene Recall
With the LiveTrak L-20R’s Scene Recall feature, you can instantly recall up to nine different scenes with monitor mixes, EQ settings, effects, and more.
Accessible
The L-20R’s versatile design provides easy access for plugging in your cables.
A RobustAudio Interface
The L-20R is a 22-in/4-out USB audio interface. Route inputs to any DAW, streaming software, or iOS device*—even while recording to an SD card.
*Apple Lightning to USB Camera Adapter required.
Controls
Channel StripThe 16 mono inputs include single-knob compression and gain control. At -128 dBu EIN with +60 dB maximum input gain, the L-20R is equipped with our quietest and most advanced preamps.
Navigation and DisplayAn encoder knob and bright, backlit LCD screen let you access an intuitive menu to create new projects, recall previous projects, and customize your recorder settings.
Bluetooth AdapterThe included BTA-1 connects a master iPad to the L-20R. Other iPads connect to the master via wifi.
Transport Controls and OverdubTransport controls include Record, Play/Pause, and Stop. The overdub feature allows you to record additional tracks to your current project.
Six Custom Monitor Mixes“Master” and “Headphone” options allow you to design custom mixes for both the master and monitor outs. For each output, easily switch between a powerful headphone output and a balanced line output for in-ear and stage monitors.
Headphone Output for FOHA dedicated headphone output for front-of-house enables the engineer to monitor any of the custom sub mixes as well as the master mix or soloed tracks.
USB PortThe L-20R features USB connectivity for transferring files or use as an audio interface.
SD CardRecord up to 512GB of audio to an SD card.
Connections
Customized Monitor and Master OutputsMonitor Out allows up to six customizable monitor mixes. Additionally there is a left and right Master Out.
Broad ConnectivityThe L-20R’s combo inputs support XLR or ¼-inch connections. Channels 1-2 offer Hi-Z inputs for electric guitar or bass. Channels 17/18 and 19/20 have TS line connectivity for keyboards and other audio devices, as well as RCA inputs.
The Freedom ToControl Your Mix
Features
20 discrete channels (16 mono plus 2 stereo) with XLR or ¼-inch connectivity
22-track simultaneous recording, 20-track playback
22-in/4-out USB audio interface connectivity
Records up to 24bit/96kHz audio to SD card
Built-in compression control (Channels 1-16)
Main outputs plus 6 customizable monitor outputs
Dedicated headphone output for sound engineer
Scene saving function, up to 9 scenes saved at a time
20 built-in chorus, delay and reverb effects with adjustable parameters
Compatible with Remote Mixer app for iPad
What’s in the Box
Included with the L-20R
LiveTrak L-20R
AD-19 AC Adapter
BTA-1 Bluetooth Adapter
Rack Ears
Quick Guide
Optional Accessories
FS01 Momentary Footswitch
MEDIA
VIDEO
DOWNLOADS
IMAGES
DOCUMENTS
L-20R Quick Guide
L-20R Operation Manual (PDF)
L-20R Operation Manual (EPUB)
L-20 Control app – Operation Manual
Compatible SDHC/SDXC Cards
Compatible Application Software
Safety and Usage Precautions (Multi Language)
SOFTWARE
Firmware
L-20R System Version 1.13
L-20R Driver
Windows 7/8.1/10
Mac OS X 10.10 ~ 10.15
SPECS
NUMBER OF INPUT AND OUTPUT CHANNELS
Inputs:
Mono (MIC/LINE): 16 Stereo (LINE): 2
Outputs:
MASTER OUT: 1 MONITOR OUT: 6 PHONES : 1
INPUTS 1-16
Mono (MIC/LINE) :
Type: XLR/TRS combo jacks (XLR: 2 HOT, TRS: TIP HOT)
Input gain
PAD OFF: +16 – +60dB
PAD ON: − 10 – +34 dB
Hi-Z ON: +6 – +50 dB
Input impedance
XLR: 3 k Ω
TRS: 10 k Ω /1 M Ω (when Hi-Z ON)
Maximum input level
PAD OFF: 0 dBu (at 0 dBFS)
PAD ON: +26 dBu (at 0 dBFS)
Phantom power
+48 V
Stereo (LINE) :
Type: TS phone/RCA pin (unbalanced) jacksMaximum input level : +10 dBu
OUTPUTS
MASTER OUT :
Type: XLR jacks (balanced) Maximum output level :+14.5 dBu Output impedance: 100 Ω
MONITOR OUT A–F (with balanced output) connected to monitor speakers :
Type: TRS phone jacks (balanced) Maximum output level: +14.5 dBu Output impedance: 100 Ω
MONITOR OUT A– F (with unbalanced output) connected to headphones:
Type: Standard stereo phone jacks Maximum output level: 42 mW + 42 mW at 60 Ω Output impedance: 100 Ω
PHONES :
Type: Standard stereo phone jacks Maximum output level: 42 mW + 42 mW at 60 Ω Output impedance: 100 Ω
BUSES
MASTER:
1
MONITOR:
6
SEND EFX:
2
CHANNEL STRIP
COMP:
LOW CUT:
40–600 Hz, 12dB/OCT
EQ:
HIGH: 10 kHz, ± 15 dB, shelving MID: 100 Hz – 8 kHz, ± 15 dB, peaking LOW: 100 Hz, ± 15 dB, shelving
LEVEL METERS
Level segments:
12
SEND EFFECTS
Effects:
20 types
EFX 1
Hall 1 (Reverb)Hall 2 (Reverb)
Room 1 (Reverb)
Plate (Reverb)
Church (Reverb)
DrumAmb (Reverb)
GateRev (Reverb)
Vocal 1 (Delay + Hall Reverb)
Vocal 2 (Delay + Mono Reverb)
Vocal 3 (Delay + Plate Reverb)
EFX 2
Hall 3 (Reverb)
Room 2 (Reverb)
Spring (Reverb)
Delay (Delay)
Analog (Delay)
P-P Dly (Delay)
Vocal 4 (Delay + Room Reverb)
Chorus 1 (Stereo Chorus)
Chorus 2 (Mono Chorus)
Cho+Dly (Chorus + Delay)
RECORDER
Maximum simultaneous recording tracks:
22 at 44.1/48/96 kHz
Maximum simultaneous playback tracks:
20
Recording format & Sample Rates:
WAV 44.1/48/96 kHz, 16/24-bit, mono/stereo
Recording media:
4 GB – 32 GB SDHC cards (Class 10 or higher) 64 GB – 512 GB SDXC cards (Class 10 or higher)
AUDIO INTERFACE
44.1/48 kHz:
Recording: 22 channels Playback: 4 channels
Bit depth:
24-bit
Interface:
USB 2.0
SYSTEM REQUIREMENTS FOR AUDIO INTERFACE MODE
Windows:
OS： Windows® 7 SP1 or later / 8.1 / 10 (32bit/64bit)
CPU: Intel® Core i3 or faster*
USB: USB 3.0/USB 2.0**
* Operation is not guaranteed with CPUs from Atom, Celeron or Pentium series or CPUs made by AMD.
** Only USB host controllers with Intel Chipsets are supported. Operation is not guaranteed when used with USB hubs or expansion cards.
Mac:
OS： Mac® OS X 10.11 / 10.12 / 10.13 / 10.14
CPU: Intel® Core i3 or faster
USB: USB 3.0/USB 2.0*
* Operation is not guaranteed when used with USB hubs or expansion cards.
iPhone/iPad:
OS： iOS 9 / 10 / 11
* Apple Lightning-to-USB Camera Adapter required.
CARD READER
Class:
USB 2.0 High Speed
USB HOST
Class:
USB 2.0 High Speed
Sampling frequency:
44.1/48/96 kHz
Frequency characteristics:
44.1 kHz: −1.0 dB, 20 Hz – 20 kHz 96 kHz: −3.0 dB, 20 Hz – 40 kHz
Equivalent input noise:
Actual measurements: −128dB EIN (IHF-A) at +60dB/150Ω input
Display:
LCD with backlight (128×64 resolution)
Power:
AD-19 AC adapter (DC12V 2A)
Power consumption:
24 W maximum
External dimensions:
438 mm (W) × 158.2 mm (D) × 151.7 mm (H)
Weight (main unit only):
2.49 kg
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