Focusrite liquid channel Transformer based. Mic pre - compressor - EQ Solid unit incredibly well built. Includes precise modelling of precise compressors like Fairlight neve Focusrite Urei ADR DBX PYE Summit SSL Telefunken Siemens V72 V76 Hugh Robjohns from Sound on Sound said : “The crucial question is, of course, how well the Liquid Channel compares to the original units. Well, to my ears I have to say it compares extremely well indeed. In fact, I couldn't tell the difference between the Fairchild 670 Replica and the original at the same settings”
eBay