Current Sub 37 owners who would like to update their synthesizer with the hardware revisions found in the newly released Subsequent 37 can now contact EAV to upgrade their instrument. The upgrade is offered in two configurations: The Full Sub 37 Upgrade: Replaces Analog Board (Subsequent sound engine), Right-Panel Board (high-powered headphone amp) and Key-bed with those found in the Subsequent 37. Key-bed ... Read more