Jon Johnson 208 Report post Posted June 14, 2017 The Mellotron Mk VI is the successor to the M400 and was the first Mellotron produced after Streetly Electronics went out of business in 1986. They were manufactured by Mellotron Archives in North Hollywood California. The functions and features of the old M400 are preserved in the new model and the tape frames are interchangeable. The Mk VI began being manufactured in 1999 with an initial run of 35. Tape frames available are: Cello, Flute, Boys Choir, Male voice choir, Flute, and Strings View full synthesizer Share this post Link to post Share on other sites