via this auction
via the listing: "Vintage set of EKO Bass pedals, These guys are hard to find, and a sound bit can be located on Youtube under EKO bass pedals. The tone is a generic synth sound however, I have used a array of guitar effects to include, chorus, Bass synth, Overdrive and the EH POG to obtain the desired tone, you can really mock a ton of different things with this guy. There is a 1/4 standard cable output on the back so you can hook it up to any combo of effects or amps. There are percussion, sustain and tuning options also. The EKO has a few broken parts, all 3 octaves work but the switches are broken, the on switch is also MIA. you can still swap octaves as is using a prob or pencil, they require a 4 pin carling switch but a electronics guru could find a substitute..."
