Dave Smith Instruments Mopho (2008–2016)
A compact analog monophonic synthesizer with a hands-on design and distinctive Push-It button for patch auditioning and tempo control.
Overview
The Dave Smith Instruments Mopho is an analog monophonic synthesizer designed and manufactured in San Francisco. Introduced in 2008, the desktop version was produced until 2016. The Mopho line includes several variants: the desktop module, the Mopho Keyboard with a 25-key keyboard, the 42-key Mopho SE, and the 4-voice polyphonic Mopho x4 with a 44-key keyboard. The Mopho x4 was introduced on August 2, 2012, and produced until 2018. Each model features a Push-It button that auditions patches, steps through sequences, or acts as a tap-tempo input.
Specifications
| Production years | 2008 - 2016 |
| Original price (Desktop) | US $549 |
| Original price (Mopho Keyboard) | US $849 |
| Original price (Mopho x4) | US $1,299 |
| Original price (Mopho SE) | likely below $1,000 |
| Oscillators | 2x analog |
| Sub-octave generators | 1x 1 octave down |
| Filter | Curtis low-pass filter (switchable 2 or 4-pole), 24dB/octave |
| Filter type | multi-mode filter |
| Mopho x4 polyphony | 4-Voice |
| Mopho Keyboard | 25-Key |
| Mopho SE | 42-Key |
| Mopho x4 | 44-Key |
Design
The Mopho is an analog synthesizer with a desktop form factor for the base model, featuring two analog oscillators and a Curtis low-pass filter with switchable 2- or 4-pole modes and 24dB/octave rolloff. It includes a multi-mode filter and a Push-It button that allows users to audition patches, step through sequences, or function as a tap-tempo button. The unit was designed and manufactured in San Francisco.
Market
Used Mopho SE units have sold for between $580 and $700 in excellent to mint condition between 2025 and 2026. The Mopho Keyboard typically sells for around $580 or higher, with pristine examples listed between $600 and $750. A used Mopho Desktop was listed at $549. Forum discussions indicate mixed desirability, with some users questioning its value in later years, while others affirm it as a good synth.
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