PRE-22 Dual Mic Preamp
PRE-505 Mic Preamp DIY full Kit version
PRE-505 Mic Preamp Assembled/tested version
PRE-11 Tabletop Single Mic Preamp
EQ-32SD 2U Rackmount Stereo/Dual channel musical Equalizer
EQ-32S 1U Rackmount Stereo musical Equilizer
EQ-500 Semi-parametric Equilizer (DIY partial kit version)
EQ-500 Semi-parametric Equilizer (DIY full kit version)
EQ-500 Semi-parametric Equilizer (Assembled/tested version)
EQ-532 Stereo musical Equilizer (DIY partial kit version)
EQ-532 Stereo musical Equilizer (DIY full kit version)
EQ-532 Stereo musical Equilizer (Assembled/tested version)
