Description

Hey Mopho! Dave Smith Mopho X4 4-voice polyphonic synth, $999!

The Dave Smith Instruments Mopho x4 is a 4-voice polyphonic analog synthesizer that expands on the monophonic Mopho design. Released in 2012, it offers powerful sound-shaping capabilities, a semi-weighted keyboard with aftertouch, and polyphonic synthesis in a compact format. The Mopho x4 delivers rich analog tones, making it an excellent choice for studio and live performance.

Type: 4-Voice Polyphonic Analog Synthesizer
Oscillators per Voice: 2 analog oscillators with selectable waveforms (sawtooth, triangle, saw/triangle, variable pulse width square waves)
Sub-Octave Generators: 2 per voice (one octave below oscillator 1 and two octaves below oscillator 2)
Filter: Curtis low-pass filter per voice, switchable between 2-pole and 4-pole configurations
Envelopes: 3 envelope generators per voice (ADSR plus delay)
LFOs: 4 per voice
Sequencer: 16 x 4 step gated sequencer per voice
Arpeggiator: Included
Keyboard: 44-note semi-weighted with velocity and aftertouch
Country of Manufacture: United States

Functionality:
Each of the Mopho x4’s four voices includes two oscillators, two sub-octave generators, and a flexible low-pass filter, allowing for deep and warm analog synthesis. The multiple LFOs and envelope generators enable intricate modulation, while the step sequencer and arpeggiator provide performance-oriented features. The semi-weighted keyboard with aftertouch enhances expressive playing, making it suitable for lead, pad, and bass sounds.

Notable Features:

  • Analog Signal Path: Ensures authentic analog warmth with a fully programmable architecture.
  • Deep Modulation Options: 4 LFOs and 3 envelopes per voice for complex sound design.
  • Performance Features: Built-in arpeggiator and step sequencer for rhythmic programming.
  • Polyphonic Expansion: Can poly-chain with other DSI instruments for additional voices.