Description

The Alto Live 1604 is a 16-channel, 4-bus mixer equipped with the tools you need to create a professional mix. With flexible routing options and a multitude of onboard DSP tools, Live 1604 fits the demands of many live performance environments. It features 10 balanced XLR inputs with switchable phantom power, 3-band EQs with sweepable mids for additional tonal shaping, four aux sends per-channel for external effects and monitoring, and a 9-band graphic EQ for main or monitor outputs. A headphone jack with an independent level control enables additional monitoring and mixing. 60mm faders with LED meters provide precise control and visual feedback for accurate, hands-on mixing. With its diverse connectivity options, Live 1604 can handle events from small coffee house gigs to mid-sized ensembles to full-stage rock bands.

 

FEATURES

  • 10 XLR inputs with DNA microphone preamps
  • Dynamic compression (channels 1-6)
  • 3-band EQ with sweepable mids
  • 4 aux sends; pre/post switching on sends 1+2
  • 60mm faders with mute and PFL/AFL solo functions
  • 100 Alesis DSP effects
  • USB audio connectivity with level control
  • Balanced XLR, balanced/unbalanced 1/4” outputs
  • Headphone out with independent level control
  • Switchable phantom power

 

SPECIFICATIONS

Microphone Inputs
Electronically balanced, discrete input configuration
Frequency Response
20 Hz to 20 kHz, +0.5 dB
THD+N
<0.005% at 0 dBu, 1 kHz
Gain Range
0 to 50 dB (Mic)
SNR
90 dB
Line Inputs
Frequency Response: 20 Hz to 20 kHz, +0.5 dB
THD+N: <0.03% at 0 dBu, 1 kHz
Sensitivity Range: -15 to 30 dBu
Impedance
Microphone Inputs: 51.1 kOhms
Channel Insert Return: 200 kOhms
All Other Inputs: >100 kOhms
2-Track Outputs: 10 kOhms
All Other Outputs: 20 kOhms
Equalization
Mono Channels:
High-Shelving: ±15 dB @ 12 kHz
Mid-Bell (mono): ±15 dB sweepable from 100 Hz to 8 kHz
Low-Shelving: ±15 dB @ 80 Hz

Stereo Channels:
High-Shelving: ±15 dB @ 12 kHz
High-Mid-Bell (mono): ±15 dB @ 3 kHz
Low-Mid-Bell (mono): ±15 dB @ 3 kHz
Low-Shelving: ±15 dB @ 500 Hz

Main EQ: 9 EQ bands (63, 125, 250, 500 Hz, 1, 2, 4, 8, 16 kHz), ±15 dB

DSP Section
A/D & D/A converters: 24-bit
DSP Resolution: 24-bit
Effects: 10 DSP effects families with 10 variations available per family
Presets: 100 total
Controls: Rotary encoder to select preset, DSP mute switch, peak LED indicator
Main Mix
Noise (Bus Noise):
Fader 0 dB, channels muted: -84 dBr (ref: +4 dBu)
Fader 0 dB, all input channels assigned & set to unity gain: -73 dBr (ref: +4 dBu)
Phantom Power: Mic Pin2/Pin3 and Pin1 48 V ±2 V
Power Supply
Main Voltage: USA/Canada: 100-120 VAC ~60 Hz
UK/Australia: 240 VAC ~50 Hz
Europe: 210-240 VAC ~50 Hz
Power Consumption: 35 W
Fuse: 1.25 A
Main Connection: Standard IEC receptacle
Dimensions
19.4 x 16.4 x 3.1″ (492 x 417 x 79 mm)
Weight
13.1 lb (5.9 kg)

 

Packaging Info
Package Weight
19 lb
Box Dimensions (LxWxH)
22.75 x 20.5 x 5.75″
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