RYK Modular M175 – Triple Vactrol Resonator
A faithful reimagining of the mythical System 100M 175, the RYK M175 brings three parallel band-pass resonators, each with vactrol-based frequency control, to the Roland 100M format.
🔍 Key Specs & Features
-
Three band-pass filters in parallel (normalized), each with its own frequency, resonance, dual CV inputs, and outputs—plus a summed output for combined use reddit.com+15ryk-modular.com+15moogaudio.com+15.
-
Vactrol control adds natural slew and warmth—reminiscent of Buchla resonance behavior ryk-modular.com+3synthtopia.com+3foundsound.com.au+3.
-
System 100M panel compatibility: authentic gray finish, off-white silkscreen, and DIN power/CV normalization bus for seamless integration moogaudio.com+4ryk-modular.com+4ranzee.com+4.
-
Routing flexibility: Feed the same audio into all filters or isolate them individually. Mix output auto-reroutes when individual jacks are plugged foundsound.com.au+5ryk-modular.com+5reddit.com+5.
-
Ultra-smooth, organic resonance thanks to vactrol control.
-
Multi-mode use: ambient formants, phaser-style sweeps, or acoustic-style resonant spikes.
-
Classic aesthetics and workflow—acts like a native component in a System 100M rig.
-
CV-ready for dynamic modulation via DIN bus or external sources.
-
Power format limited to System 100M (DIN bus); may need adapters to blend with standard Eurorack setups.
-
Slower vactrol response not ideal for razor-sharp resonance or fast modulation.
-
Premium price tag may be steep for users wanting just a few resonant voices.
Reviewers and synth journalists commend its lush, multi-peak resonator voices and the smooth vactrol warmth it brings to the System 100M palette .
If you’re aiming to complete or expand a System 100M setup with the legendary triple-resonator sound, the RYK M175 is the only modern, high-fidelity option that matches format, tonality, and vintage workflow.