# Sequential Circuits Pro One
Pro One, Sequential Circuits @ 29 July 2010
“# Sequential Circuits Pro One. Serial Number is under 100!
# J-Wire Version
# Better filter than the later serial numbers.
# Tuned and calibrated.
# Tested thoroughly. Everything works as is should.
# CV Ins and Outs, clock input, and input filter Tested
# Comes with Original Manual! ” Link