Seaweed Audio Fathom 2

Seaweed Audio Fathom 2

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Fathom 2, Virtual Modular Synth from Seaweed Audio.

public price: $25 VAT
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Seaweed Audio Fathom 2 tech. sheet

  • Manufacturer:Seaweed Audio
  • Model:Fathom 2
  • Category:Virtual Modular Synths
  • Added in our database on: 01/03/2018

Fathom Modular Soft Synth

Fathom is a modular software synthesizer which specializes in original waveform development, advanced modulation and high quality audio output.


Wave Draw

Fathom provides the tools necessary to realize virtually any waveform.

This includes a free-hand drawing tablet and exponential and Bezier curves. The GUI supports wave editing as an art form with views that expand to fill the entire interface when they are selected.


User Signal Flow

Fathom is built for the sound designer who finds existing plug-ins restrictive in their architecture and is looking for more creative latitude.

The modular signal flow places the entire structure of the instrument the hands of the user. You can connect any oscillator to any filter or effect in any combination and there are no predefined paths within the processor. The only limit is the twenty open positions in the signal flow view and your CPU usage, which is monitored in real time with a progress bar at the top of the interface.


Audio Processor

Fathom's audio processor took three years to develop.

Much of this effort went into the quality of its zero aliasing oscillators and precise synchronization between its modulators and the host transport.

Fathom’s primary waveform buffers are 16,384 floating point samples in length. The processor uses Bicubic Spline interpolation between sample points at run-time to provide an extreme level of audio quality. Spline coefficients are pre-calculated along with each sample value itself to provide the fastest possible table fetches at run-time.



Free-hand and Bezier curve Wave Drawing, WAV Cycle Import/Export.

7 Types of Oscillators + AM/FM, 8 Detune Voices, Noise and Distortion.

7 Effects including Two Chorus, Two Reverb, 3 Channel Digital Delay, 8 Channel Phaser, Mixer.

9 Modulators including ADSR, Drawable LFO, Multi-Segment Envelope, Sequencer, Random.

Envelope Segments include Line, Exponential, Bezier, Double Bezier, Non-Linear Sin.

16 x 16 Wave Table with Morph, Add, Subtract, Phase/Pulse Width Modulation and 3D graphs.

33 Types of Filters.

Continuously Resizable GUI.

User color picker for all graph lines and fills.

18 Background images assignable to any panel on the interface.



MusicTech, 10 Best Freewave Synths for Summer 2018.
Computer Music, July 2018, (One of) “best freebie in the world of computer music.”
Plubin Boutique, Free Instruments, Synth, Highest Rated (5 Stars).
BPB, Top 50 Best Free VST Plugins of 2017 (Number 3).




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