via this auction
"These are pretty rare and offer a true analogue sound with the convenience of midi control...
MS-404 is a MIDI-controlled monophonic analog synthesizer. It takes account into the actual trend of analog sound synthesis combined with the immediate access to all sound parameters. The MS-404 is a serious alternative to the high-cost second hand vintage synthesizers.
The sound generating section of the MS-404 is 100% analog (VCO, Noise, VCF, VCA, ADSR, 2 LFO's). Even the envelope and the LFO's are pure analog and not simulated by software. The immediate access to all sound parameters is realised by 15 knobs and 6 switches. The external audio input enables the subsequent sound modeling of other sound sources like samplers, digital synthesizers or expanders.
On top of that the MS-404 works as a monophonic MIDI-to-CV interface to control another analog synthesizer. The MS-404 is capable of controlling VCF frequency and VCA envelope amount (accent) via MIDI.
MS-404 Features
- VCO
- - real VCO (no DCO)
- - switchable between sawtooth / off / rectangle (pulse)
- - pulsewidth of rectangle adjustable, pulsewidth modulation with LFO1
- - glide time adjustable, glide on/off via MIDI-Controller #65 (Portamento)
- - frequency modulation with LFO1, even in audio range for producing typical FM sounds- NOISE
- - white noise as alternative sound source (switcheable instead of VCO)
- VCF
- - 24dB resonance filter (low pass), resonance/emphasis adjustable up to self oscillation
- - frequency may be controlled via any MIDI controller and/or MIDI velocity
- - frequency modulation with LFO2, even in audio range for metallic/FM sounds
- - keyboard tracking switchable off/half/full
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- VCA
- - envelope amount (accent) controllable via MIDI volume (ctr.#7) and/or velocity
- - effect of accent adjustable (accent knob)
- Envelope
- - full ADSR type (Attack-Decay-Sustain-Release)
- LFO1 and LFO2
- - 3 frequency ranges from sub-LFO (some minutes oscillation period) up to audio (max. 5kHz)
- - waveform triangle
- - frequency and level adjustable
- - LFO1: to VCO frequency or VCO pulsewidth modulation switchable
- - LFO2: VCF frequency
- External Audio Input
- - level adjustable
- - alternative sound source instead of VCO or Noise
- MIDI-CV Interface (internal):
- - MIDI channel and transpose (reference note) selectable via learn button
- - retrigger on/off (new trigger if playing legato)
- - controlling of glide on/off via Controller #65
- - controlling of VCF frequency via any Controller and/or Velocity
- - controlling of VCA envelope amount via Controller #7 and/or velocity
- - two 1/4" jack sockets for CV und Gate Output (may be changed to CV/Gate Input when changing jumpers inside by authorized dealers)
- light grey 19" housing, 1 unit"
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