MU-TRON 1173 oos In excellent condition for its

In excellent condition for its age

has minor scuffs and scratches to the casing but for a pedal from the 1970s it is in very good condition

Failed Op-Amp in successive approximation gain control circuit – op amp replaced – signal clean

but it's still operational

Full mechanical and electrical service completed

MU-TRON 1173 oos In excellent condition for itsThe Mu Tron 1173 a very cool early digital rack delay unit made by Mu tron (ARP) the last of the Mu tron line of effects. In good condition, sounds great and has just been serviced and calibrated: the original mains transformer has windings for 240v, so it's been adjusted for UK EU use without an external transformer. Overall in very good condition, but it inevitably has a few bumps, dings and scratches; there's some oxidation here and there, and one