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S3 All Tube 3 Band Optical Compressor

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S3 Three Band Stereo Vacuum Tube Opto-Compressor

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The new S3 Stereo Three Band Optical Compressor incorporates the very latest in Ivor Drawmer designs and the aim from the very beginning was to create a ‘no technical compromise’ circuit using only the highest grade components. The S3 forms the basis of a ‘Signature Series’ and offers previously unattainable control and tonality over each of the three bands - gain control at each stage provides precise spectral balancing. The Ultimate multiband compressor with all tube stages, optical type compressor, and high grade parts used throughout.

Control Set:

  • 2 Crossover controls, continuously variable, divides the audio into 3 bands
  • 3 Threshold controls, one for each band, to set the onset of compression
  • 3 Attack and 3 Release controls, one for each band
  • 3 Gain controls, to control makeup gain for each band
  • 3 Mute switches, one per band, to mute the output of that band during set up
  • 3 Bypass switches, one per band, bypasses compressionn on that band
  • "air" switch on high band routs uncompressed audio about 10k around the compressor, adding it back to the output to avoid high frequency loss during compression
  • "big" switch on low band inserts a high pass filter in the detector stage to avoid pumping on heavy bass
  • Large illuminated easy to read meters with switchable ballistics (VU or peak VU)
  • +10dB or +20dB scale switches on meters
  • Input or Output meter switch
  • L/R output balance control
  • Unit bypass switch
  • front panel power switch
  • Angled cage to facilitate cooling above the unit.

DOWNLOAD THE PRELIMINARY PDF

Ken Giles explains the S3 on Gearwire.com





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TransAmerica Audio Group

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