Affordable tone for all....
Mu-Tron Tru-Tron 3X by Mu-FX. Super rare. Signed by Mu-Tron Founder Mike Beigel.
Mu-FX Mu-Tron Micro-Tron III Envelope Filter. Brand New.
1970s '70s Rare Mu-Tron Mutron Musitronics Octave Divider. OMG.