The Gyratec III is a true tube stereo compressor based on the opto VCA principle. This method – controlling the gain by the means of a light dependent resistor – is not as fast as the vari-mu method, but much more subtle sonically. This principle is known from eg. the classic Universal audio LA2, LA3 and LA4 compressors.
Gyraf Gyratec III
Stereo Optical Compressor
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Tube-Tech LCA-2B Dual Channel Tube VCA Compressor The LCA 2B is an all-tube VCA compressor/limiter with two independent, linkable channels. LCA2B is a true TUBE VCA compressor, using a tube as the VCA.( Voltage controlled amplifier.) This kind of compressor is also known as a Vari Mu compressor. TUBE-TECH LCA 2B is one of the […]