EKO ComputeRhythm synthesizers The 505 works well with

The 505 works well with a computer and sequencer or as a stand alone drum machine

the R-8 has 32 note polyphony

etc - are very good indeed

Tested sequencer

black analog synthesizer with traditional features

EKO ComputeRhythm synthesizers The 505 works well withThe drum computer is special in that it already has very advanced technology for the year 1972. Dominant on the front of the instrument is a central matrix of 6x16 luminescent bats, which is used to program the rhythms. To the left are the pushbuttons with which the twelve different percussion instruments can be activated along with the associated slider for volume control. Each pair of instruments has a set of 16 illuminated buttons in the matrix