FB-20

A two-oscillator instrument for biting basses, wiry leads and unruly modulation.

Two oscillators into two circuit-modelled filters, with patching, an arpeggiator, four effects and up to eight voices.

Price: $24.99USD$49.99 from 9 Nov

Discount included. No code needed.

Launch price until 8 November, 23:59 UTC.

Ends in 3d 23h 44m

Full plug-in, no card. Buy later without reinstalling.

Hear it before you buy

0:00 / 0:00

A performance recorded with FB-20.

  • 14-day money-back guarantee. Refund policy
  • Pay once. Free updates for life.
  • 3 activations: online, serial or offline.

After you pay

  • Your order and licences are saved after payment is confirmed. Download your installer from the confirmation page or your account. We also send your receipt and access instructions by email.

Windows VST3 · Mac VST3 / AU

Check compatibility

Highlights

Why FB-20.

What it is
A semi-modular analogue-style synth, modelled on a classic, built with modern DSP.
What it does
Two oscillators into two circuit-modelled filters, with patching, an arpeggiator, four effects and up to eight voices.
What it sounds like
The screaming, gritty filters of the original: aggressive leads, snarling basses and wild effects.

Product video · 0:31

FB-20 in use

FB-20 combines two oscillators with resonant high-pass and low-pass filters, two envelopes and a virtual patch bay.

For engineers

How it works.

Shape the space between two filters

Use the high-pass filter to choose how much bottom end enters the finished sound, and the low-pass filter to set its upper edge. Raising resonance on either creates a more pitched emphasis, so check the actual notes of the part before adding more drive.

For a clipped bass phrase, use a short EG 2 contour and modest low-pass modulation. For a more vocal lead, move the high-pass and low-pass cutoffs by different amounts instead of sweeping them together.

Use the patch bay for a musical task

The source list includes envelopes, modulation waves, noise, sample-and-hold, velocity and pressure. Pick one destination and begin with a small cord amount: pressure to cutoff can make a held lead expressive, while sample-and-hold can animate a repeated note.

A patch destination can replace a normal connection. Establish the unpatched sound first and change one route at a time so an unexpected silence or extreme pitch change is easy to trace.

Let another sound influence the instrument

The external signal processor provides filtered audio, envelope, trigger and pitch-control signals from an input. It is useful for experiments where a percussion loop or sustained source shapes the synth, but external audio must actually be routed to the plugin by the host.

The internal arpeggiator and effects offer a self-contained alternative. Keep the sequence dry while setting its timing, then add a short echo or spring space to support the pattern.

Specifications

Key features

  • Two oscillators with ring and noise waveform choices
  • Resonant high-pass and low-pass filters
  • Diode and OTA filter-model choices
  • Virtual patch cords with source, destination and amount
  • Mono, Legato and Poly voice modes
  • Arpeggiator and drive, modulation, delay and reverb slots

Factory presets

60 factory presets

Filed under 3 categories, and browsable from the plug-in's own preset list.

  • A — Lead & Bass
  • B — Pad & Texture
  • C — Motion & FX

Specifications and compatibility

More synth plug-ins
Formats
Windows VST3, Mac VST3 / Audio Unit
macOS
macOS 11.0 or later; Intel and Apple Silicon
Windows
Windows 10 or later, 64-bit (x86-64)
Presets
60 factory across 3 categories
Activation
Browser, serial or offline activation on up to 3 machines
Licence
Perpetual single-user licence
Already own it? Download your installer

Questions

Something else? Contact support

Is it restricted to monophonic playing?
No. Mono, Legato and Poly modes are available, with additional voice and unison settings. Mono and Legato remain useful choices for connected bass and lead lines.
Does the external signal processor hear audio automatically?
It needs a real signal source. For outside audio, configure the host's routing to the plugin input; MIDI notes alone do not supply an external waveform.
Are cutoff values a simple linear hertz scale?
The panel cutoff controls use a curved mapping and a frequency display. Use the displayed frequency and the sound of the filter rather than interpreting the underlying panel travel as hertz.
What happens when the trial ends?
When the trial ends the plug-in stops processing audio until you buy it. Sessions still open, and buying needs no reinstall.
Can I get my money back?
Yes. On top of your statutory rights, there's a 14-day money-back guarantee. Read the refund policy

Better value

Get FB-20 in the Instrument Room.

9 plug-ins for $156.99. Bought one by one at today’s prices they cost $274.91.

Work Horse · FB-2823 · FB-1080 · FB-20 · Frighten · Synth Berry · Iron Curtain · 53,830 Waves · Brooklyn Zoo

Continue the chain

Iron Curtain, the plug-in's interface

Iron Curtain

Price: $19.99$39.99 from 9 Nov

A layered synth: Synth, Strings, Oddity and Wavetable under one Blok macro.

Synth

Windows VST3 · Mac VST3 / AU

Synth Berry, the plug-in's interface

Synth Berry

Price: $59.99$119.99 from 9 Nov

Build playable sounds with oscillators, a resonator and dual filters.

Synth

Windows VST3 · Mac VST3 / AU

53,830 Waves, the plug-in's interface

53,830 Waves

Price: $24.99$49.99 from 9 Nov

A wavetable synth with a second oscillator in seven models, from FM to Swarm.

Synth

Windows VST3 · Mac VST3 / AU

Hear it in your own session.

Try the full plug-in free for 30 days, or buy it now and keep it for good.

14-day money-back guarantee · Perpetual licence · Free updates for life

Your basket is empty.