Roland CM-64

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The Roland CM-64 is a MIDI synthesizer module first released in 1989 by Roland Corporation. As a member of Roland's "Computer Music" series, its beige-box appearance is similar to that of the the CM-32P. The front panel includes a volume knob, a power switch, LED indicators for power and MIDI input, and a PCM card slot (SN-U110 series). On the rear panel are three MIDI connectors (IN, OUT and THRU), a 1/4" stereo connector for headphones, and two unbalanced 1/4" jack connectors for a mono/stereo output (-10 dBu).

Internally, the CM-64 contains the combined CM-32L and CM-32P mainboards, thereby providing identical sounds and functionality in a single-module package.

The CM-64 retains the same default MIDI-channel configuration as it's separate elements (2-10 for the CM-32L, and 11-16 for the CM-32P), leaving channel 1 available for use alongside a digital piano. This gives the user 14 instrumental and one drum/percussion part, and a total polyphony of 63 notes (32 + 31).

This information is based on various pamphlets and brochures from Roland Corporation and personal user experience

See also: Modules: Roland MT-32, Roland CM-32L, Roland CM-32P, Roland CM-300 and Roland CM-500. Sequencers: Tentrax, Roland Ballade, Roland Ballade GS, Musicator