MASELEC MLA-4 Multiband Compressor / Expander

MASELEC MLA-4 Multiband Compressor / Expander

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MASELEC MLA-4 Multiband Compressor / Expander

New multiband Compressor / Expander developed from the popular MLA-3 with added expander functions
for all frequencies.
The MLA-4 is a powerful tool that could be used for:
Restoring and improving over-compressed or
uneven mixes.
Changing the tonal balance when ordinary equalizers are unable to do the job.
Creating exciting new sounds with the unique linking that combines compression and expansion.

The input signal is split into three frequency-bands. Each
 band is passed through a stereo
compressor / expander, where gain and processing can be altered.
The outputs of the compressors / expanders are then re-combined and fed to the outputs.
There are four different frequencies for each of the two crossovers that can be separately
selected for the low-to-mid and the mid-to-high bands.
The three frequency-band compressors / expanders have separate controls so that different
parts of the audio spectrum can be adjusted and tuned.
With separate gain controls for each frequency-band, the
MLA-4 can also be used as an equalizer.
You can always adjust the controls for the separate frequency bands to different settings.  
There is no
reason why they should be the same for all frequencies.
Separate Input and Output gain controls, make the MLA-
4 easy to use for different operating levels.
The inputs are electronically balanced, virtually ground floating, making them perform as if they
are transformer coupled, but without the associated colouration, low frequency distortion and
restricted bandwidth.
The input impedance is 100kohm. Maximum input level is >
+29dBu (balanced).
The outputs are electronically balanced and can deliver >+
28dBu into 600ohm (balanced).
Output impedance is 33ohm (balanced and unbalanced).
The inputs and outputs can be unbalanced by simply grounding either pin 2 or pin 3

Technical Specification:- 

  • Input Impedance 100 kohm
  • Maximum input level +29dBu (0dBu = 0.775V)
  • Thresholds (0dB input gain) -10dBu to +20dBu
  • Typical THD (ratio 1:1) <-90dB
  • Frequency Response within 0.05dB 20Hz to 20kHz
  • Bandwidth greater than 1Hz to 500kHz
  • Typical Noise -90dBu
  • Maximum Output level +28dBu
  • Output impedance 33 ohm

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