Zoom L-20R

Inputs:

Mono (MIC/LINE): 16
Stereo (LINE): 2

Outputs:

MASTER OUT: 1
MONITOR OUT: 6
PHONES : 1

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

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

MASTER:

1

MONITOR:

6

SEND EFX:

2

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:

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)

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:

4 GB – 32 GB SDHC cards (Class 10 or higher)
64 GB – 512 GB SDXC cards (Class 10 or higher)

44.1/48 kHz:

Recording: 22 channels
Playback: 4 channels

Bit depth:

24-bit

Interface:

USB 2.0

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.

Class:

USB 2.0 High Speed

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