via this auction"KORG Rhythm 55B with an adjustable trigger output and Dual Foot Switch as pictured. Item is in fair condition with a few scratches on top. Item has been stored and when last used it worked great, selling "As Is". Dimensions: 11 ½ x 10 x 3 1/4
The KR55 introduced in 1979 was an advanced preset rhythm drum machine with up to 96 preset rhythm patterns. Preset patterns such as Waltz, Samba, Rhumba, Bossa Nova, Tango, Slow Rock, Swing, Rock, etc. cover. The KR55 also featured a "swing beat" control and each drum sound's level can be individually adjusted for each pattern. It can also be externally controlled via footswitch jack for the Start/Stop and Intro/Fill switches. The KR55B (item being sold) was released a few years later in 1982 with twice as many rhythm patterns."SN 391870
