Zoom Livetrak L-20

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
• 48V phantom power
• Hi-Z connectivity (channels 1-2)
• 26dB pad (channels 3-16)
• Built-in compression control (Channels 1-16)
• Solo buttons for individual channels
• Variable frequency low-cut control
• 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
• Two effect busses
• Built-in slate mic
• Class-compliant mode (for iOS compatibility)
• Compatible with Remote Mixer app for iPad
• Automatic recording starting/stopping capability
• Pre-record function
• Import/export projects with USB 2.0 host port
• Compatible functions for ZOOM FS01 footswitch
• Automatic power-save function

Specifications

NUMBER OF INPUT AND OUTPUT CHANNELS

• Inputs:
  
  • Mono (MIC/LINE): 16
  • Stereo (LINE): 2
• Output:
  
  • MASTER OUT: 1
  • MONITOR OUT: 6
  • PHONES : 1

INPUTS

• 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) jacks
  • Maximum 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
• PHASE:

LEVEL METERS

• Level segments: 12

SEND EFFECTS

• Effects: 20 types
  • EFX 1
    
    • Hall 1
    • Hall 2
    • Room 1
    • Plate
    • Church
    • DrumAmb
    • GateRev
    • Vocal 1
    • Vocal 2
    • Vocal 3
  • EFX 2
    
    • Hall 3
    • Room 2
    • Spring
    • Delay
    • Analog
    • P-P Dly
    • Vocal 4
    • Chorus 1
    • Chorus 2

RECORDER

• Maximum simultaneous recording tracks: 22 at 44.1/48/96 kHz
• Maximum simultaneous playback tracks: 20
• Recording format: WAV 44.1/48/96 kHz, 16/24-bit, mono/stereo
• Recording media:
  • 4GB–32GB SDHC cards (Class 10 or higher)
  • 64GB–512GB 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

CARD READER

• Class:
  
  • Mass storage
  • USB 2.0 High Speed

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
  • 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.

USB HOST

• Class: USB 2.0 High Speed

OTHERS

• 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: 445 mm (W) × 388.4 mm (D) × 82.6 mm (H)
• Weight (main unit only): 3.71 kg

WATCH: Zoom LiveTrak L-20: Introduction