MASELEC MLA-4 Stereo Multiband Compressor/Expander

MASELEC MLA-4 Stereo Multiband Compressor/Expander

MASELEC MLA-4 Stereo Multiband Compressor/Expander

B&H # MAMLA4 MFR # MLA-4
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Expected availability: 7-14 business days

Product Highlights

  • Stereo Compressor/Expander with 3 Bands
  • Adjustable Crossover Frequencies
  • Multiple Sidechain Linking Options
  • Selectable Sidechain Boost
  • Single-Band or Multiband Output
  • Per-Band Threshold, Ratio & Make-Up Gain
  • Per-Band Attack & Release Times
  • Per-Band Processing Meters
  • Master Input, Output & Threshold Knobs
  • Balanced XLR 3-Pin I/O
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This item is noncancelable and nonreturnable.

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MASELEC MLA-4 overview

  • 1Description

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
In the Box
MASELEC MLA-4 Stereo Multiband Compressor/Expander
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    MASELEC MLA-4 specs

    Function Multiband compressor/expander
    Number of Channels 2
    Inputs 2 x XLR 3-pin female (balanced)
    Outputs 2 x XLR 3-pin male (balanced)
    Input Impedance 100 kOhms
    Output Impedance 33 Ohms
    Maximum Input Level +29 dBu (0 dBu = 0.775 V)
    Maximum Output Level +28 dBu
    Compression Threshold -10 to +20 dBu
    Compression Ratio No 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 Time Low 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 Time Low 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 Gain Master: -5 to +5 dB (adjustable in 0.5 dB steps)
    Per Band: -2.5 to +2.5 dB (adjustable in 0.5 dB steps)
    Filters Slope: 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 Response 20 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
    Weight 17 lb / 7.7 kg

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