For sale is an incredibly rare Knif Audio Knifonium monophonic tube synthesizer keyboard. These are no longer in production or available to purchase new and limited to only 45 units made worldwide. Features include 26 tube monophonic synthesizer with two oscillators and a 4th order ladder filter and a ring modulator. Beautiful wood cabinet and reverse black/white keyboard. A true work of art. Don't pass up on this rare chance to own a unique custom build synthesizer. From original owner's smoke free home studio. It's fully functional and in excellent shape. Includes external power supply, hardcase and spare tubes. Serial #B002.
