" Info on the pedal: Enter the short- lived DRM-16 "the first automatic drum kit with feeling". The DRM-16 (DRM = Digital Rhythm Matrix), EH-7450, made it's appearance about 1978-9. It was housed in the standard Memory Man style box and was AC powered. The controls consisted of VOLUME, TEMPO, DELETE, STYLE, and COLUMN. VOLUME and TEMPO are pretty much self-explanatory. DELETE allowed you to remove various sounds such as wood block and long and short cymbals. STYLE and COLUMN allowed you to select from 16 available rhythm patterns by setting them according to a chart printed on the face of the pedal. On the chart you had 4 funk patterns, 4 disco, 4 rock (hard, boogie, soft, and slow), and 4 misc. (latin, reggae, cntry (country), and shuffle. On the top edge there was the usual power switch along with two OUTPUT jacks, a BASS OUT jack, and a Space Drum switch. The Space Drum was an unusual sound that was also available in two stand-alone versions (covered in PT. 2). It was an electronic tone that decreased in pitch as it reached the end of its length. The sound was very reminiscent of the electronic drum used in the intro of The Cars' " Let The Good Times Roll"."
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