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Yamaha CX5M Music Computer

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    Yamaha CX5M is an 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.

    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.

    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.

    Available Cartridges

    UDC-01 Data Memory Cartridge
    YRM-101 FM Music Composer
    YRM-102 FM Voicing Program
    YRM-103 DX7 Voicing Program
    YRM-104 Music Macro
    YRM-105 DX9 Voicing Program
    YRM-301 MIDI Recorder
    YRM-302 RX Editor
    YRM-303 MIDI Macro & Monitor
    YRM-304 DX7 Voicing Program II
    YRM-305 DX21 Voicing Program
    YRM-501 FM Music Composer II
    YRM-502 FM Voicing Program II
    YRM-504 Music Macro II
    YRM-506 FB-01 Voicing Program
    Type: Digital
    Synthesis: Frequency Modulation
    Oscillators: 4
    Waveforms: Sine
    Osc Modulation: Envelope, Keyboard, LFO, Oscillator, Pitch Wheel, Glide / Portamento, Velocity
    Envelopes: 4
    Evelope Paramerters: Attack, Decay, Sustain, Release, Monophonic, Polyphonic, Triggered
    LFO: 1
    LFO Parameters: Sample & Hold, Saw Up, Square, Triangle, Delay
    Polyphony & Tuning
    Polyphony: 8
    Timbrality: 4
    Tuning: Standard
    Modes: Mono, Polyphonic
    Patches RAM: 46
    Storage: Internal, RAM Cartridge, 6
    Editing: MIDI
    + Bass and Chord accompany
    + 6 built-in rhythms
    + patterns: 16 beat, Waltz, S. Rock, J. Rock, Disco, Swing
    + Bar-step entry
    + 2,000 Notes
    Chips and Operating System
    Z80A Zilog CPU
    3.57 MHz
    32 K RAM
    Microsoft MSX
    Yamaha YM-2151 sound chip
    Case: Desktop
    Case Details: 32 Character QWERTY Keyboard
    Keyboard: 37 keys, Non-weighted, Plastic
    Controls: Buttons, Sequencer
    Display Type: LED
    Display Count H: 256
    Display Count V: 192
    Display Notes: Composite TV Monitor
    Dimensions (WxDxH): 423 x 200 x 60 mm / 16 5/8 x 8 1/8 x 2 11/16 inches
    Weight: 2.8 kg / 6.3 lbs
    Audio Output Connections: RCA, Stereo Main
    Audio Output Count: 2
    MIDI Ports: IN, OUT
    DAC Bits: 12
    DAC Frequency Rate: 32
    Power: DC5 12V power supply
    Year Released: 1984
    Year Discontinued: 1986
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] download.yamaha.com
    MSRP List Price: $595 - convert
    Retail Street Price: $500 - convert
    Used Price: $75 - $150 - convert
    YouTube Videos
    References & Sources
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