ZOOM L-20R

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) 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
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® 8.1 / 10 / 11 (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: macOS® 10.14 ~ 12 | 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 ~ 15 * 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
Additional Specs
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