The Studiomaster Professional SCO 22 is a 2 channel Compressor / Limiter / Gate.


The Studiomaster Professional SCO 22 is a 2 channel Compressor / Limiter / Gate.

  • Input & Output: Balanced XLR & 1/4" Jack.
  • Independent controls of threshold & release time for the gate for every channel.
  • Independent controls of threshold ratio, attack, release & level for the compressor limit.
  • Stereo/link mode of setting: each channel can be set separately (stereo)/ channel 1 controls act as master for both channels (link).
  • Bypass switch allows instant comparison of original sound with processed sound.
  • Precise 7-digit LED meters for output level & gain reduction.



Input Impedance

Balanced: 20 k Ω, Unbalanced: 10 k Ω

Output Impedance

Balanced: 150 k Ω, Unbalanced: 300 k Ω

Frequency Response

20 Hz - 20 kHz, ±3 dB

Gate Section



Variable (-45 to +10 dBu)

Release Time

Variable (0.1 ms to 2 s)

Compressor Section



Variable (-40 to +22 dBu)


Variable (1:1 to :1)

Attack time

Variable (0.1 ms to 100 ms)

Release time

Variable (0.05 sec to 2.5 sec)


Variable (-18 to +18 dB)

Power Supply

230V AC, 50Hz

Dimensions (W x D x H)mm

483 x 147 x 46 (1U)

Net Weight (kg.)



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