Tube Tech SMC 2B Multiband Opto Compressor


SKU: SMC 2B Categories: ,
Brands: Tube-Tech


The TUBE-TECH SMC 2B Stereo Multiband Compressor features three independent optical stereo compressors. The signal is divided into three bands (Low, Mid & High) by 6 dB/octave x-over networks with variable frequencies: 60-1200 Hz for Low/Mid band and 1,2-6 kHz for the Mid/High band.

The design of the x-over networks optimizes the summing of all three bands, resulting in a flat frequency response (within +/-0,25 dB), when the gain controls for each band are set at the same level. The three compressors feature Threshold, Ratio, Attack, Release and Gain and a display showing gain reduction. Master levels are set with Output Gain and Balance controls. 

Both Input and Output are balanced and have fully floating transformers with a static screen. The power supply and the sidechain circuit is based on a solid state circuit. With the exception of the output stage all DC voltages are stabilised.



The world’s only all tube based multiband compressor design 
Three bands per channel with variable crossover frequencies between bands 
Stereo sidechain with variable Threshold, Ratio, Attack, Release and Gain controls for all three bands 
Master Output Gain (off to +10 dB) 
Balance Control (+/-1,5 dB) 
LED display showing compression 
Freq. response @ -3 dB: 5 Hz to 60 kHz
Low noise: < -60 dBu @10 dB gain 
Conductive plastic potentiometers 
Clickless bypass relay



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Additional information

Weight 10 kg


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