VCF
Steve’s MS-22 dual VCF an OTA & MS-20 Filter by ThreeTom Modular Synthesizers
2025
Steve’s MS-22 dual VCF
Steve’s MS-22 dual VCF is a dual voltage-controlled filter (inspired upon a classic OTA design) with an innovative modulation matrix and one of the highest function-to-hp ratios in the land of Eurorack. ThreeTom Modular Synthesizers is a boutique Eurorack manufacturer based in Belgium.
Steve’s MS-22 dual VCF Specifications
- Dual VCF inspired by the Korg MS-20 OTA filter
- Low-pass into a high-pass configuration
- Innovative modulation matrix allows CV control over all parameters
- Cut-off frequencies can be linked, resulting in a bandpass filter with controllable bandwidth
- Bipolar monitoring LEDS for the LP, HP, resonance, and gain CV signals
- Designed to work with unipolar +5V or bipolar +-5V modulation sources
- Will also take unipolar and bipolar 8 and 10V modulation signals, but this results in a smaller usable range on the ACV and FCV attenuators
- Low frequency and audio-rate modulation of all parameters
Availability
The module Steve’s MS-22 dual VCF is planned to be released in the future. You can signup to be notified when the filter is released here.
Maneco Labs GRONE DRONE SYNTH
GRONE DRONE SYNTH developed by Maneco Labs is now shipping. This module for eurorack includes a drone oscillator (VCO), Noise generator, MS20 resonant low pass filter, multi waveform LFO and an integrated Clouds clone.
- Eurorack module format
- Drone voice oscillator
- MS20 Filter
- Multi waveform LFO
- Noise generator
- Clouds integrated
Dark drones generator
Drone VCO
Generates sound based on equations converted to analog signals , there are sixteen equations selected by Up and Down switches. Four leds indicate equation number in binary mode. Three Pots modify numbers used by the equation, A0 , A1 and A2 , fourth pot Sample Rate controls pitch and speed of the oscillation. There’s an Output Level pot for the oscillator and a dedicated jack for patching the Oscillator sound to external modules.
NOISE GENERATOR
White noise with noise level pot and noise output jack.
VCF
MS20 resonant low pass filter, with CUT frequency pot control, RESONANCE, MODULATION 1 amount pot, input and output jacks and second cv input for cut off, labeled MOD2.
LFO
Low frequency oscillator routed to MOD1 from VCF, RATE and WAVEFORM shape
pots. Waveforms are ramp up, ramp down, square, triangle, sine , sweep, random levels, random
slopes.
CLOUDS
Based on MUTABLE INSTRUMENTS eurorack module , with parasites firmware , same controls from MI : Input gain, position, size, density, pitch, texture, blend , switches for blend parameter and load/save, freeze control with indicator led , same display as MI original, Dedicated audio input jack (mono) stereo output and control inputs for V/OCT and TRIGGER.
Pricing and Availability
GRONE DRONE SYNTH is available now directly or from their retailers.
Freak Firmware v2.3 and Module Availability
The latest release of Firmware v2.3 added to the eurorack filter Freak features like Flame containing the Rodent and Cylinder models which are Vult versions of the Rat and Tube distortions.
The Freak Manifold Filter is the result of Leonardo Laguna Ruiz obsession with analog filters. The Freak module is a digital filter that simulates the sound of a variety of analog filters. It consists of two individual channels that can be operated in Stereo or Dual mode.
If you are waiting to get a Freak module, you may have noticed that VULT DSP has not had any in stock for a while. This is because some of the packages Leonardo Laguna Ruiz running VULT DSP have ordered have been delayed and Leonardo cannot gather all the components needed for the next batch. Leonardo should have enough components in his office to assemble a few modules. Please contact Leonardo if you want one and he will let you know in the coming weeks if he has it and when they can ship it. You can reach out to him via Email: leonardo@vult-dsp.com
Erica Synths Fusion System II Shipping
Erica Synths is one of the few manufacturers that use vacuum tubes in eurorack modules, and those, who are familiar with tube-based modules, know that tubes can push the sound to extremes or turn it deep, saturated and complete.
They did come up with three new Fusion series modules – Fusion VCF3, Fusion Modulator (already available) and Fusion VCA/Waveshaper/Ringmodulator (available from June 16th, 2020) – to create the Erica Synths Fusion System II – a modular synthesizer for sounds of unprecedented pressure, unconventional modulations, and creativity-inspiring patching. A 104HP system has 63 patch-points for extensive experiments in sound design, all-analog signal, and CV path; it’s a system for those, who take sound design seriously.
Fusion System II Includes
- Two Fusion VCO2s – fully analogue sound source with three simultaneously available waveforms, transistor-based suboscillator and detune function – two BBD delay lines that make frequency shifter that is mixed back to the principal oscillator in order to emulate two detuned VCOs. Tube crunch – distinct tube overdrive – is added on the top of the mix.
- Fusion VCF3 – resonant 24dB/oct lowpass filter of unique design that combines vacuum tubes and vactrols, providing distinct, soft filtering. For more versatility a CV recorder, that records motion of the potentiometer, is incorporated in the module, so you can design advanced modulation patterns.
- Fusion Modulator – complex, all analogue CV source that consists of several blocks – two EMS Synthi functionality inspired looping envelope generators with simultaneous unipolar (0V-10V) and bipolar (-5V-+5V), VCA, Noise generator and Sample&Hold.
- Fusion VCA/Waveshaper/Ringmodulator – a modulation source based on two miniature pentodes that operates as VCA, waveshaper and ringmodulator. With two CVs applied simultaneously to different stages of the VCA, audio rate modulations, using ringmodulator as a waveshaper it becomes surprisingly versatile sound shaping module.
- Fusion Delay/Flanger/Vintage Ensemble – a distinct multifunctional analogue effects module that combines BBD chip based effects with an adjustable tube overdrive in the delay output and a feedback path for extra thickness of the sound.
- 104HP One Row Skiff case (with or without a lid)
- 20 patch cables
Pricing and Availability
Erica Synths Fusion System II is available now – RRP: 1950 (VAT excl.) – without case lid
RRP: 2030 (VAT excl.) – with the case lid
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