Millennia STT-1 Origin Dual Topology Channel StripThe STT 1 "Origin" represents the best of all worlds for recording, thanks to its Twin Topology circuit. Choose from an MV 2B vacuum tube or HV 3 solid state path to suit your application. You can further shape your sound with the NSEQ 2 mastering grade EQ, an opto compressor, and de esser circuit. Features: Twin Mic Preamps M 2B vacuum tube or HV 3 discrete solid state Twin NSEQ 2 Mastering Grade Parametric Eqs vacuum tube or discrete solid state