Filter Blender
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About UB DSP
UB DSP is an independent audio plugin company building tools that are a joy to use and a joy to hear. Founded by a musician and engineer, UB DSP focuses on innovative interfaces and production-ready sound quality, with broad support across all major plugin formats.
About Filter Blender
Filter Blender puts three analog-style filters on the corners of a triangle, any three of 12 filters inspired by classic circuits, each with its own cutoff, resonance and drive. One dot moves the sound between them, from a warm transistor ladder to a screaming Sallen-Key to a lo-fi CMOS band, so the character of the filter changes while you play. A motion recorder loops the paths you draw on the triangle in time with the host, a comb filter, a phaser, a vowel filter and a ring modulator sit before or after the triangle in any order, and nine modulator types with intermodulation can move the blend on their own. Available as CLAP, VST3, AU and AAX for macOS, Windows and Linux.
Key Facts
| Product | Filter Blender |
|---|---|
| Developer | UB DSP |
| Version | 1.1.1 (first released October 2, 2026) |
| Price | $39 USD launch price until Sunday, November 15, 2026, 23:59 CET, then $68 USD |
| Formats | macOS: AU, VST3, CLAP, AAX · Windows: VST3, CLAP, AAX · Linux: VST3, CLAP |
| Platforms | macOS 10.13 or later (Apple Silicon and Intel; versions before macOS 11 are not tested), Windows 64-bit, Linux 64-bit |
| Category | Filter / Multi-Filter / Sound Design |
| Key Features | Three filters blended on a triangle (any 3 of 12 filters inspired by classic circuits; LP, HP, BP, Notch and Bell depending on the model; 12, 18 or 24 dB per octave slopes), zero-delay-feedback cores, eight models that self-oscillate with DRIVE up and a dual band-pass that rings when pushed, motion recorder synced to the host, comb filter, phaser, vowel filter and ring mod in any order, 9 modulator types with intermodulation, LOWS crossover, M/S, phase-aligned MIX, LOUDNESS match |
| Presets | 30 factory presets in 8 categories |
| Trial | Free unlimited trial, fully working, with 2 seconds of silence every 40 seconds |
| Website | ubdsp.com/filter-blender |
Demo Video
Filter Blender in action, no voice-over: just the plugin and the sound. Click the thumbnail to play, or copy the link below for embedding.
Screenshots
Click any image to view full resolution. All images are included in the press kit download.
Logos
UB DSP logo in SVG and PNG formats. Both are included in the press kit download.
User Manual
The full Filter Blender user manual is included in the press kit download as a PDF.
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