Sound Cards for the Digital Mellotron. Check out our "Listening Room" where you can hear what each expansion card can do. https://www.digitalmellotron.com/listening-room
 
In cart, please "add note" and specify your digital Mellotron's MODEL and SERIAL NUMBER. The SERIAL NUMBER is centered on the back panel. 
 
Sound Card 06 contains 128 sounds of some unreleased gems from the Mellotron library, but also looped versions of the Music Master and M1 sounds. Here is the sound list for Sound Card 06.