ARP Pro-Soloist Model 2701 Monophonic Analog Synthesizer Keyboard 1970s Serviced tier this incredibly rare tube is

this incredibly rare tube is sure to provide your guitar amp or hi-fi system with some of the sweetest vintage tube tones available

and a few other minor signs of use throughout (see photos)

Built on the FM synthesis technology developed at Stanford by John Chowning

Vintage Italian-made GE General Electric 6X5GT rectifier tube

ARP Pro-Soloist Model 2701 Monophonic Analog Synthesizer Keyboard 1970s Serviced tier this incredibly rare tube isVintage 1970s ARP Pro Soloist 2701 mono synth, fully serviced and in great working condition. This synth was ahead of its time and features assignable aftertouch for some of the most expressive lead tones youll find in a monosynth from this era. This model was used by numerous legends including Tony Banks of Genesis, Tangerine Dream, Gary Numan, Herbie Hancock, Patrick Moraz, Billy Preston, John Entwistle, Vangelis, Coldcut and others. This one was