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Welcome to our Deep Series of Synthesizers! Our Deep Series instruments provide expansive programming options that enable artists to explore a vast canvas of sounds in unconventional ways. When you are not quite sure where you are going then it might be best to go Deep!


Coming soon!

                                             Why is Deep-606 in a class all its own?

Electronic dance music would not be what it is today without vintage two oscillator synthesizers like the Korg Ms-20, Arp Odyssey, or Moog Prodigy!*  True synthheads understand that in order to obtain thick basses and searing leads it is often required that two oscillators work together along with killer filters. Deep-606 models these classic two oscillator synthesizers and provides amazingly easy control over how the filters impact the sound!

It is important to note that Deep-606 allows you to independently adjust the Attack, Decay, Sustain, and Release of the various filters separately for each oscillator. For example, you can adjust the filter Attack and filter Release on a Pad sound to cause a filter sweep to gradually fade in and then fade back out while holding down the keys. This is how the classics described above were able to create so many different kinds of vintage analog sounds like crunchy basses, sparkling leads, computer effects, analog kicks, snares, wind, etc. Deep-606 can easily create all of these classic analog sounds as well. In addition, unlike the beasts of the past Deep-606 is a 32 voice polyphonic synthesizer that opens up the sound sculpting possiblities even further!

*SonicXTC is not affiliated with these companies.
Having a Multi-LFO that can sync to the beat opens up a whole new world of sonic possibilities for synth programmers. Everything from "wobble" basses, filter sweeps and cascading rhythms become a part of the sonic toolkit thanks to Deep-606's Multi LFO unit.

The layout of Deep-606 eliminates the need for patch cord routing or submenus. As you can plainly see, the multitude of sonic possibilities are just a knob twist away! Download our freeware softsynth Deep-Mono to experiment with our Multi-LFO. The sounds you create can be loaded into Deep-606 for further editing!

Freeware Deep Synthesizers!

Drum Boxx Synth is our new freeware VST drum synthesizer that is designed to create thousands of unique synthetic drum sounds for sampling and production! Drum Boxx is our take on the outstanding Smackbox project designed by developer Stefan.

Why we like it.

Drum Boxx has 12 individual signal channels. Each signal channel contains an individual drum synthesizer that can be routed into 3 individual stereo outputs. Output 1 is a direct output channel with no effects. Output 2 is sent through our specialized tempo synced delay effect. Output 3 is sent through our specialized chorus/flanger effect.

Each of the 12 individual drum synthesizers can be tweaked, pitched, filtered, equalized, and distorted independently from each other and saved as part of a kit. Moreover, you can independently add noise and other velocity controls to each drum synthesizer making the sonic palette available with Drum Boxx extremely vast!

Why we think you will like it.

The original Smackbox had a fun "Mad Scientist" vibe that we chose to maintain. In addition to providing a GUI makeover, we updated the original coding to make Drum Boxx a VST 2.4 effect, added effects to the routing system, improved performance and overall sound sculpting abilities. In the end, we feel honored and glad to have the opportunity to introduce Drum Boxx as a worthy successor to the original Smackbox project. 


12 Channel Drum Synthesizer
3 independent Stereo Outputs
10 custom preset kits/128 user kits available
Delay and Chorus effects
Midi automation
VST 2.4
Our new freeware monophonic single oscillator synthesizer, Deep-Mono, is a powerful synth that packs a punch. If you are a tweaker then you will like this synth. It is simple to program and has all the best synth programming parameters available right on the front panel. No endless windows or sub menus here. Just tweak a knob and you immediately begin to sculpt the sound. Comes with 70 presets to get you started but like the old analog synths of the 70's it can produce an almost limitless palette of sounds!

Lets Get Deep & Twisted!

Beat Twist is a new freeware loop manipulation software that comes in two flavors (VST & Standalone). Beat Twist provides amazingly creative ways to transform boring or stale wav files into something special.  It has a built in bit crusher unit, distortion unit (with bit reduction), overdrive, and step sequencer. The built in LFO can be used to modulate volume, bit crusher pitch, overdrive, and panning. For live performers Beat Twist has been updated into a Standalone Version as well!

A very special thank you to the Synthmaker/Flowstone Community Forum for their assistance in developing the sequencer and bit crusher unit on Beat Twist. Developers Maik Menz (Loop Drive), Trogluddite, Orson, Pall, Nix, and too many others to name published schematics for review that saved us hours upon hours of labor!
While we do our own thing, it is a fact that  with out the amazing generosity of the VST developer community there would be no way our small company could devote the time to bring such cool freeware to the public's attention!
 Deep Step-606 has the base synthesizer engine of Deep-606. However, it is played mono-phonically as its sound is completely controlled by the built in step sequencer unit. If you have ever had the opportunity to play with a real hardware step sequencer before (e.g., Korg SQ-10 or Doepfer product*), then you understand the awesome sonic power these types of devices can bring to the table. Many musically inspirational moments can occur just from the happy accidents that happen while playing around with a step sequencer. Deep Step-606 brings this mode of musical composition to the software environment.

Deep Step-606 loads and saves presets created from Deep-606 and Deep Mono. Moreover, any sounds you create in Deep Step-606 will load into Deep-606. Too get a little idea of how fun Deep Step-606 is to play with, please check out the videos below.

*SonicXTC is not affilated with these companies.

                                           Why is Deep Step-606 in a class all its own?

Deep Step-606 has many of the sound capabilities of Deep-606! However, how you access those sounds is completely retro. In short, Deep Step-606 can only produce sound through an old school modeled step sequencer. Let us pretend that you purchased an old 1970's two oscillator synthesizer and an old analog step sequencer at a local garage sale. You bring them home, connect them to your DAW, and fire them up to lay down a track. No midi automation here. Just good old fashion knob twisting while you record the audio in the background. Any bits of audio that you like can be carved up and placed where you want them in a song. 

Deep Step-606 is a lot like that garage sale purchase described above. However, Deep Step-606 can load and save patches from Deep-606 and Deep-Mono. It can also sync to the host tempo, apply midi automation and save sequencer step programming as part of a saved song in your DAW! You could not do that with an old 70's synthesizer.

The 606 Step Sequencer Unit is a deceptively powerful beast! First, its PPQ timing is modeled after a popular Doepfer* and Analog Solutions* step sequencer units. Second, while it only plays sequences in the "forward" play mode, it provides 4 options of how the notes are played (1/4, 1/8, 1/16, and 1/32 note intervals). Third, the 606 Step Sequencer Unit makes it incredibly easy to set the pitch of the notes played and program killer sequences. In summary, Deep Step-606 is a wonderfully inspirational piece of software that will reward those with the curiosity to tinker!
A special thank you again to the Synthmaker/Flowstone Community Forum for their assistance in developing the sequencer on Deep Step-606. Developers like Trogluddite, Orson, Pall, Nix, and many others published sequencer/gate schematics for review that saved us hours upon hours of labor! The public benefits from this process.

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