The DSI Mopho Demos That Convinced Me to Get One

Having sold many of my synths a few years ago in a failed attempt to start making music solely using software, I’m currently left with some nagging “holes” in the hardware section of my studio set up. I’ve been missing a certain sound that my current analog synths like the Moog Little Phatty  and Roland MKS-70 are unable to make, and happy to say that I think I’ve now  found the solution to that problem in Dave Smith’s Mopho line of synths. While I initially was not all that impressed with the sound of the inexpensive DSI Mopho, I have now become convinced that I’ve actully got to go and get myself one. And it’s all thanks to a couple of clever and talented synth demo makers that that support both companies and buyers alike by sharing their work online. Here’s a few of my favorite demos for this synth.

Mopho Yellow Song & Yellow Sequences by Nasagesa Csatornája

First out is these two great sounding demos made by Nasagesa csatornája  of Hadron Orchestra. Dave Smith should be handing out commissions for this work, in my opinion (these demos have at the very least sold one Mopho that I know of!) They’re entitled Yellow Song and Yellow Sequences.

Cool track that achieved through multitracking the Mopho in Logic Pro. Some great sounds in here, and except for the voice they all come from the Mopho (including the drums).

Here’s Yellow Sequences:

No FX at alle were used in this demo (Yellow Song obviously has external effects added).

As a side note I should mention that I also enjoyed Nasagesa’s Hadron Orchestra music, which I have been listening to while writing this post. Check it out through the links above, you might like it.

Keybdwizrd’s DSI Mopho Demos

Keybdwizrd is one of the most popular synth demo makers on YouTube, and for good reason: this guy can play. An accomplished keyboardist that has been performing with synths for longer than many readers have been alive, Keybdwizrd has put up loads of highly enjoyable and informative synth demos ranging from analog synths like the Mopho and Little Phatty to Spectrasonic’s monster virtual instrument Omnisphere. I would doubt that this happens to be news to anyone reading this blog, however, as the guy’s videos currently have more than four million views on YouTube.

All three of Keybdwizrd’s demo videos were good (and can be checked out on his YouTube channel if you’re interested), but I particularly liked a lot of what I heard in this one:

A Lexicon MX200 effects processor was been used for the dealy and reverb effects you hear on some of the sounds. The Mopho, of course, has no in built effects.

Some Key Specs and Features of This Synth

Here’s a few key points to consider if these sounds made you interested in this synth. The Mopho comes in three different varieties: the yellow, monophonic desktop version pictured on the left, the yellow monophonic keyboard version pictured at the top of the article, and the new four voice Mopho X4 keyboard, which I’ll do a separate post on shortly. This is an analog synth with digitally controlled oscillators (DCOs).


  • 100% analog signal path
  • Two oscillators
  • One classic Curtis low-pass filter (switchable 2- or 4-pole)
  • Analog VCAs
  • Three envelope generators (ADSR plus delay)
  • Two sub-octave generators (one octave down and two octaves down)
  • External audio input with feedback
  • Four assignable performance controls per program
  • Gated 16 x 4 step sequencer (one sequence per program)
  • Arpeggiator
  • Fully programmable (includes free downloadable software editor for Mac OS and Windows)
  • 384 programs
  • I/O: MIDI In, MIDI Out/Thru, Audio In, Left and Right Audio Out, Headphone Out

I haven’t yet decided which Mopho I should go for personally, but I’m leaning toward the yellow keyboard, which I might later turn into a five voice synth by poly-chaining it to a Tetra module (which is pretty much a four voice, multi-timbral desktop Mopho). However, as I travel a lot the diminutive desktop version might be a good choice, and it’s also the most cost-effective way of getting these kinds of sounds. Whatever model I go for, I’ll probably get one soon (and keep you updated on how I’m getting along with it, of course). If you use one yourself then let me know what you think of it.