Electro Harmonix Octave Multiplexer 1970's Silver

This octave pedal from EHX was produced briefly in the '70s before being reissued starting in 2001. This version (known as the "Big Box" Multi-plexer) uses a larger chasis which was later changed to a smaller sized pedal along with other EHX models. 

Years of Production: 1976 - 1977, 2001 - present