Yamaha CX5M

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Yamaha CX5M Music Computer set

Yamaha CX5M is a MSX-system compatible computer that expands upon the normal features expected from these systems with a built-in eight-voice FM synthesizer module, introduced in 1984 by Yamaha Corporation.[1]

This FM synth itself has stereo audio outputs, an input for a purpose-built four-octave keyboard, and a pair of MIDI Input/Output ports that could be used for normal MIDI on the second revision of the CX5M but only management of data from a Yamaha DX7 on the first model.

Specification[edit]

The CX5M was built to the MSX standard, which included slots for inserting programmed cartridges. These extended the machine's capability, accepting a range of games, office applications and so on. Yamaha produced a range of cartridges including a programmer for Yamaha's DX range of FM keyboards and a real-time sequencer. Two of these, the Voice Editor and Music Composer, allowed the user to program a bank of 48 sounds for the CX5's own built in synthesizer and to sequence up to eight channels of music, controlling the built-in module or external instruments via MIDI, in step-time using a musical-stave input screen.

Yamaha SFG-01
FM Synthesizer Unit
internals

Three versions of the CX5M were released. The first contained as its FM module the SFG-01, which had no real MIDI and only used its MIDI port to manage data for Yamaha's then-flagship DX7. The second version, the CX5M II (or CX7M/128 in Japan[2][3]), upgraded the FM system to the SFG-05, which supported actual MIDI. There was also a later CX5M II with some smaller differences.[4]

Later, Yamaha released the Yamaha FB-01 module, which was effectively an SFG-05 in a standalone, portable case.[5]

References[edit]

  1. ^ "Yamaha CX5M Music Computer". SonicState.com. 
  2. ^ "CX7M/128 (discontinued)" (in Japanese). Yamaha. 
  3. ^ "CX7/128 (discontinued)" (in Japanese). Yamaha.  (Note: built-in SFG-05 on spec sheet is a confusion with CX7M/128)
  4. ^ Eirik Lie. "CX5M FAQ". 
  5. ^ Mages, et al. (May 2010). "Yamaha FB-01". 

External links[edit]