MASELEC MLA-4 Stereo Multiband Compressor/Expander

BH #MAMLA4 • MFR #MLA-4
MASELEC MLA-4 Stereo Multiband Compressor/Expander
Key Features
  • Stereo Compressor/Expander with 3 Bands
  • Adjustable Crossover Frequencies
  • Multiple Sidechain Linking Options
  • Selectable Sidechain Boost
The MASELEC MLA-4 is a rack-mountable 3 RU stereo multiband compressor/expander designed to deliver precise and versatile dynamics processing for recording, mixing, and mastering engineers in home, project, and commercial studios. Two adjustable crossover filters split the input signal into three bands, which can be independently compressed or expanded with per-band controls for threshold, ratio, attack, release, and make-up gain.
Special Order
Expected availability: 7-14 business days
$6,140.00

Important Notice

  • This item is noncancelable and nonreturnable.

MASELEC MLA-4 Stereo Multiband Compressor/Expander

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MASELEC MLA-4 Overview

The MASELEC MLA-4 is a rack-mountable 3 RU stereo multiband compressor/expander designed to deliver precise and versatile dynamics processing for recording, mixing, and mastering engineers in home, project, and commercial studios. Two adjustable crossover filters split the input signal into three bands, which can be independently compressed or expanded with per-band controls for threshold, ratio, attack, release, and make-up gain.

The sidechains can remain separate or be linked with one of four linking options. Additionally, a selectable sidechain boost offers increased compression or expansion for high frequencies. Any single band or all bands may be sent to the outputs for flexible monitoring, while 16-segment LED meters always display gain change for the three bands. As with the per-band controls, the master input, output, and threshold knobs are stepped for easy recall. XLR 3-pin inputs and outputs ensure standardized connectivity with balanced line-level devices.

 

Input signal is split into three frequency bands via adjustable crossover filters
Each band is passed through a stereo compressor/expander for customizable processing
Outputs of the three compressors/expanders are re-combined and fed to the overall output
Four selectable frequencies for each of the two crossovers
Per-band controls for threshold, ratio, attack, release, and make-up gain
Separate left and right input controls offer 0.5 dB increments
Master threshold and output level controls
Selectable output source allows any one of the bands or all the bands to feed the XLR outputs
Sidechains can be unlinked or set to one of four different linking options—low-band to mid-band, low-band to high-band, low-band to mid-and-high bands, or all-bands linked
Selectable sidechain boost makes higher frequencies compress or expand more
All controls are stepped for easy recall
Three 16-segment LED meters show gain change for each of the bands
Master bypass allows easy comparative listening
Rack-mountable enclosure occupies 3 RU of rack space

MASELEC MLA-4 Specs

FunctionMultiband compressor/expander
Number of Channels2
Inputs2 x XLR 3-pin female (balanced)
Outputs2 x XLR 3-pin male (balanced)
Input Impedance100 kOhms
Output Impedance33 Ohms
Maximum Input Level+29 dBu (0 dBu = 0.775 V)
Maximum Output Level+28 dBu
Compression Threshold-10 to +20 dBu
Compression RatioNo Processing: 1:1
Compression: 1.4:1, 1.6:1. 2:1, 3:1, 6:1
Expansion: 1:1.2, 1:1.4, 1:1.6, 1:1.8, 1:2
Attack TimeLow Band: 1 ms, 3 ms, 10 ms, 30 ms, 100 ms, 200 ms
Mid Band: 0.5 ms, 1 ms, 3 ms, 10 ms, 30 ms, 100 ms
High Band: 0.3 ms, 1 ms, 3 ms, 10 ms, 30 ms, 100 ms
Release TimeLow Band: 100 ms, 200 ms, 400 ms, 800 ms, 1.6 sec, 3.2 sec
Mid Band: 50 ms, 100 ms, 200 ms, 400 ms, 800 ms, 1.6 sec
High Band: 20 ms, 50 ms, 100 ms, 200 ms, 400 ms, 800 ms
Make-up GainMaster: -5 to +5 dB (adjustable in 0.5 dB steps)
Per Band: -2.5 to +2.5 dB (adjustable in 0.5 dB steps)
FiltersSlope: 6 dB/octave
Crossover 1: 100 Hz, 200 Hz, 400 Hz, 800 Hz
Crossover 2: 1.5 kHz, 3 kHz, 6 kHz, 12 kHz
Frequency Response20 Hz to 20 kHz (±0.05 dB)
Bandwidth>1 Hz to 500 kHz
Total Harmonic Distortion (THD)< -90 dB (typical, 1:1 ratio)
Noise-90 dBu (typical)
Dimensions (W x H x D)19.0 x 5.2 x 10.2" / 483 x 132 x 260 mm
Weight17 lb / 7.7 kg
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