The Mackie 1604VLZ4 16-Channel 4-Bus Compact Mixer includes a combination of Onyx preamps and a high-headroom / low-noise design. All 16 channels feature an Onyx microphone preamplifier, line input and insert in a compact 4-bus design built for application flexibility and professional performance.
Wide 60 dB gain range 128.5 dB dynamic range +22 dBu line input handling Extended frequency response Distortion under 0.0007% (20 Hz to 50 kHz)
Improved RF rejection, suitable for broadcast applications
Phantom power for condenser microphones
16 high-headroom line inputs with +4 / -10 operation control
16 balanced inserts suitable for integrating outboard gear
3-band EQ with sweepable midrange
18 dB/octave 75 Hz low-cut filter on microphone input channels
Specification
Noise
Main Mix Noise: Main Mix Fader @ Unity, Channel Faders Down: -88.5 dBu (92 dB signal-to-noise ratio, ref +4 dBu) Main Mix Fader @ Unity, Channel Faders @ Unity: -82.5 dBu (20 Hz to 20 kHz bandwidth, 1/4" main out, channel gains at unity, channel EQs flat, all channels assigned to main mix, odd channels panned left, even channels panned right)
Total Harmonic Distortion (THD)
Microphone In to Insert Send: <0.0007% Microphone In to Main Out: <0.005% (1 kHz @ 35 dB gain, 20 Hz to 20 kHz bandwidth)
Crosstalk / Attenuation
Channel Mute Switch Engaged: -84 dBu Channel Gain Knob Down: -84 dBu (1 kHz relative to 0 dBu, 20 Hz to 20 kHz bandwidth, line in, 1/4" main out, gain @ unity)
Frequency Response
Microphone Input to Main Output (Gain @ Unity): +0, -1 dB, 20 Hz to 50 kHz +0, -3 dB, <10 Hz to >100 kHz
Equivalent Input Noise
150 Ω Termination: -128.5 dBu, 20 Hz to 20 kHz Microphone input to insert send out, maximum gain
Common Mode Rejection Ratio
Better than -70 dB @ 1 kHz
Maximum Level
Microphone In: +22 dBu All Other Inputs: +22 dBu Main Mix TRS Out: +28 dBu All Other Outputs: +22 dBu
Impedance
Microphone In: 2.5 kΩ Channel Insert Return: 2.5 kΩ All Other Inputs: 10 kΩ or greater Tape Out: 1.1 kΩ All Other Outputs: 120 Ω
Equalizer
High Shelving: ±15 dB @ 12 kHz Mid Peaking: ±15 dB sweep 100 Hz to 8 kHz Low Shelving: ±15 dB @ 80 Hz Low Cut Filter: 18 dB/octave, -3 dB @ 75 Hz
Power Consumption
50 W, 100 to 120 VAC, 50 to 60 Hz
Operating Temperature
32 to 104°F (0 to 40°C)
Fuse Rating
100 to 120V: 1 A slo blo, 5 x 20 mm 220 to 240V: 0.5 A slo blo, 5 x 20 mm