Filters - Resonators

The Fusion VCF3 is resonant 24dB/oct lowpass filter of unique design that combines vacuum tubes and vactrols, providing distinct, soft filtering. For more versatility, the independent audio mixer and buffered multiple is incorporated in the module, and, most importantly – a CV recorder that records ..

The Graphic Resonant Filterbank (FB) is a ten-band analogue filterbank with digital control over each bands’ boost or cut. Each band can be controlled individually via CV or manually, while complex control configurations turn the filterbank into an unconventional multimode filter and even an instrum..

Erica Pico LPG is our take on classical Don Buchla LPG designs. We use vactrols in the circuit for that signature sound, and we added some more features, like configurable resonance and built-in decay envelope.FEATURES:Classical LPG soundVCA and VCF modesConfigurable resonanceBuilt-in Decay envelope..

Erica Pico VCF1 is a younger brother of Erica Black Polivoks VCF, designed on the similar topology using rare Russian opamps.As result you get a filter for great acid basslines, screaming resonance sweeps and deep wobbles.       Features:Lowpass and bandpass modesSelf o..

'Ivo' is a resonant low-pass VCF (Voltage Controlled Filter), switchable between 2-pole (12dB/octave) and 3-pole (18dB/octave) responses, with voltage control over feedback (resonance) as well as cutoff frequency. It will self-oscillate in 2-pole mode.The module has two audio inputs, one with an att..

'Pandora' is a bandpass filter/distortion processor, based on an unusual combination of power MOSFET transistors and vactrols. Voltage control is provided over the two sides of the filter, the gain, and the filter feedback. A wet/dry mixer is provided, also under voltage control.A range switch is pr..

Flame Black Filterbank - an analog moving resonance filter bankThe module is based on the Flame Curves, combining their key functions in a more compact format. As a result, the individual outputs for the filter channels no longer found a place on the front panel. The Input Engine can also be ov..

Cunsa is Frap Tools' quadruple analog pingable multimode resonant filter, saturator, mixer, and oscillator. The module consists of four multimode resonant filters with saturation and feedback control that you can use independently or in various combinations and roles thanks to a series of ..

The FUMANA is an all analog dual filter bank with various control to access dynamically these bands. Each filter bank is composed of an array of 16 independent 48dB/oct bandpass filters. Having two identical filter arrays, allows you to use one of those for spectral analysis (of a modulato..

FIL3 Spectral DevastatorThe FIL3 from Future Sound Systems is a revised form of the sought-after FIL2 Spectral Devastator - a high-pass and low-pass filter coupling, both with unmistakeable character. Originally designed between 2011 and 2012, the Spectral Devastator was designed by Finlay Shakespea..

FIL4 Timbral SculptorThe Timbral Sculptor from Future Sound Systems together several synthesis elements designed for altering the harmonic content of audio signals at its input. The module is comprised of a multi-mode filter, VCAs, a deadband wavefolder, and a rectifier and Lockhart wavefolder in th..

TG3 Gristleizer FilterThe Gristleizer Filter presents one of the key components of the Gristleizer in a Eurorack module - its JFET-controlled multi-feedback band-pass filter. Its characteristics are not unlike a wah-wah pedal, whilst also being able to create other vocal tonalities, especially with ..