Boss CE-1 Chorus Ensemble - SN 87710 Delay/Echo It uses a positive tip

It uses a positive tip 9v power supply

One scratch on the front of the body

The BBD echo is a bit of an afterthought and shouldn't be the reason you buy this unit - it's only usable on the guitar/mic inputs and is nothing to get excited about

focused and extremely musical

analogue vocoder: serviced and in exceptional clean condition

Boss CE-1 Chorus Ensemble - SN 87710 Delay/Echo It uses a positive tipBoss CE 1 Chorus Ensemble for sale in excellent condition. This will have a full overhaul by us and ship out in perfect working order. As well as being the first (and greatest) chorus pedal of all time and the unit that launched Roland's Boss offshoot it makes a wondrous overdrive as well.