 When Linn Electronics closed in 1986, Forat Electronics purchased its assets and offered service, sounds and modifications for the LinnDrum.The LinnDrum was pre-MIDI, using a DIN sync interface, but MIDI Retrofit Kits were offered by JL Cooper and Forat Electronics.The LinnDrum has fifteen 8-bit 28 kHz ~ 35 kHz digitally sampled drum sounds