microphones 500 series mic preamp converters large diaphragm condenser dynamics monitoring stereo compressor tube compressor tube preamp compressor interface monitor controller Ribbon Mic Pyramix DAW summing mixer direct box small diaphragm condenser tube mic preamp equalizer Pro tools killer speakers computers stereo equalizer passive tube equalizer tube pre 3-way active monitors effects channel strip 4 channel pre Stereo Ribbon Mic clean preamp MassCore Pro Tools interfaces tube direct box micpreamps speck EQ Summing faders mastering digitally controlled analog converter mic stands pressure omni tube condenser parametric equalizer tape optimizer VU Meters