MNTRA Instruments' QUASAR-106 is a filter, drive, and chorus plugin that reconstructs the signal path of the Roland Juno-106, one of the most sonically influential synthesizers of the 1980s. Built on MNTRA's Anima Circuits modeling technology, it captures the character of that hardware lineage while expanding the original's sonic palette in practical ways.
The core architecture mirrors the Juno's topology: a resonant filter feeding into a drive stage, followed by a modulated chorus. The filter offers two modes - a 24 dB four-pole slope that matches the hardware's character, plus a 12 dB two-pole option the original never provided. The drive stage prioritizes musicality over aggression, warming sources before the filter rather than clipping them. The chorus section includes three configurations of BBD modulation, capable of expanding stereo width to 2.5 times the original width.
Where QUASAR-106 distinguishes itself is in its interface philosophy. Rather than static parameter controls, the plugin features a reactive performance view that responds to filter and chorus movement, designed for real-time manipulation rather than static automation. A single Vintage control globally ages the circuit's character, letting you dial between pristine and worn-in tones.
The plugin suits producers and engineers seeking cohesive, analog-derived coloration across diverse sources - from drums to vocals to instruments. It occupies a particular niche among chorus and filter plugins: it's neither a comprehensive multi-effects unit nor a character EQ, but a coherent signal chain with genuine sonic identity and sufficient depth to justify frequent use.
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