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Description

Dive into the world of analog soundscapes with the Serge Modular Random Source Variable Q VCF, a dynamic addition to your modular synthesizer setup. This versatile filter module is part of the renowned Serge Modular system, known for its innovative approach to sound design. The Variable Q VCF is engineered to deliver a wide spectrum of tonal possibilities, from smooth, lush soundscapes to gritty, resonant textures.

Designed for musicians and sound designers who crave precision and flexibility, this filter boasts variable Q control, allowing you to sculpt your sound with exceptional detail. Whether you're crafting subtle filter sweeps or intense resonant peaks, the Random Source Variable Q VCF responds with precision to every modulation input. Its steep cutoff slopes ensure that you can achieve those sharp transitions and clean filter effects that are often sought after in electronic music production.

Ideal for both studio environments and live performances, the module seamlessly integrates with other modular components, making it a versatile tool for any modular synthesizer enthusiast. With its robust build quality and intuitive controls, it is an essential piece for anyone looking to expand their sonic palette.

Key Features:

  • Variable Q control for precise sound shaping
  • High-quality steep cutoff slopes
  • Seamless integration with other modular components
  • Ideal for both studio and live performance settings
  • Part of the renowned Serge Modular system
ludotex

ludotex

Random*Source SERGE Variable Q (VCFQ)

Video thumbnail for Random*Source SERGE Variable Q (VCFQ) by ludotex

Random*Source SERGE Variable Q (VCFQ)

ludotex

ludotex

Video thumbnail for Maybe my favorite filter - a deep dive in the Serge VCFQ by Random*Source by Stazma

Maybe my favorite filter - a deep dive in the Serge VCFQ by Random*Source

Stazma

Stazma

Video thumbnail for Filter ping sequencer patch breakdown | Serge VCFQ & Joranalogue Step 8 by Tom Churchill

Filter ping sequencer patch breakdown | Serge VCFQ & Joranalogue Step 8

Tom Churchill

Tom Churchill

Video thumbnail for VCFQ overview by Ze Ka

VCFQ overview

Ze Ka

Ze Ka

Video thumbnail for random source serge Variable Q VCF by Kuro psyristor

random source serge Variable Q VCF

Kuro psyristor

Kuro psyristor

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Serge Modular Random Source Variable Q VCF.

Features and functionality

  • The Serge Variable Q VCF is noted for its ease of pinging, allowing it to function as an oscillator or LFO, distinguishing it from typical VCFs.

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  • The Variable Slope Filter can morph between different slope settings without additional modules, unlike most eurorack filters that switch between fixed poles.

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  • The Serge Variable Q VCF includes a hi/low switch designed for processing CV, providing versatility beyond audio filtering.

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  • Adding resonance to a lowpass filter when processing CV introduces ripples, altering the modulation characteristics.

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  • Banana cables used in Serge systems eliminate the need for mults due to their stackable nature, providing a cleaner and more reliable connection compared to 3.5mm cables.

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Comparisons

  • The Dual Slope Generator (DUSG) is faster and tracks 1v/octave better than Maths, making it superior for audio rate applications.

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  • Lowpass filters transform CV differently than highpass or bandpass filters, which negate CV by acting as AC couplers.

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  • The banana format is praised for its simplicity and reliability in live settings, offering advantages over Eurorack's 3.5mm cables, which can suffer from grounding noise issues.

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User experience

  • The NTO's variable output is more complex than a simple crossfade or wavefolder, offering intense and beautiful audio rate FM capabilities.

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  • Owners highlight the cohesive nature of Serge systems as standalone instruments, contrasting with the modular and often disjointed nature of Eurorack setups.

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Use cases and applications

  • A lowpass filter can act as a slew rate limiter on CV, rounding waveforms like square waves into triangles.

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  • Aggressive filters with distortion or wavefolding, like the WMD Carbon, are recommended for waveshaping CV.

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  • The banana patching system allows for rhythmic patching during live performances, encouraging a dynamic and spontaneous setup compared to typical Eurorack systems.

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Build quality

  • The wood case for the Serge system was custom-built to specific measurements, showcasing a DIY approach to fit unique needs and preferences.

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Artist usage

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See how Andrew Huang uses Serge Modular Random Source Variable Q VCF

Andrew Huang

Singer, Guitarist

First Of October

...
Verified via YouTube

Specified in the description of this January 21, 2021 video.

Getting somewhere with my self-playing patch goals - no samples, all synthesis! I'm enjoying this patch for its breadth of dynamics and sonic variation. There's a lot going on here but I'll share the main points and major principles:

Mutable Instruments Marbles provides the main clock. An ALM Busy Circuits Boss Bow Tie randomly switches between the negative and positive LFO output of a slowly cycling Make Noise Function, and that signal modulates the clock rate - sometimes launching it into audio rate or slowing it to a crawl. At times the clock rate remains steady when Function's Hang input is engaged by a gate from a 4ms Quad Clock Distributor + Expander, which itself is being clocked by Marbles.

Sacrament Cursible switches between six sound sources: Synth Tech E330, After Later Juggler, two channels from Endorphin.es Furthrrrr Generator (one going into Intellijel Rainmaker), Mutable Instruments Ripples self-oscillating into Monsoon (left and right channels). Each voice has varying degrees of random modulation dialed in.

Cursible's output is fed into a VCA opened by a Make Noise Contour. This is the only envelope in the entire patch! Its attack and decay are both being randomly modulated but with a bias toward shorter gestures. An interesting chain triggers it: Marbles' t3 output, fed through Branches for random skips, clocking a 4ms Pingable Envelope Generator with its clock division being randomly modulated, and taking the Half-R gate output from there.

The signal is then multed to both sides of a 4ms Dual Looping Delay, both at half wet, with their delay times being modulated independently. This results in some of the glitchy sounds you hear.

Those two signals are then sent through different but mirrored chains - a modulated high pass filter followed by a compressor. In one case it's Random*Source Serge VCFQ into Audio Damage Kompressor, and in the other it's Ritual Electronics Altar into 2hp Comp. Both filters' frequency and resonance parameters are being modulated with smooth random. The signals are then mixed with Make Noise X-Pan, with a little modulation over pan amounts.

X-Pan's outputs go to a Make Noise Mimeophon, mix at about 40% wet. Skew is on so the two channels' delay times differ from each other, and most parameters are being modulated so that delay times might be tiny or huge and have varying levels of feedback. This is also the reason why multiple sounds are often layered in the patch even though Cursible is only spitting out one at a time. Halo (Mimeophon's reverb) is swelling in and out with semi-random timing.

Modulation sources not mentioned above: Instruo DivKid OCHD, ADDAC VC Transitions, Vermona Fourmulator, Qu-Bit Bloom, NLC Triple Sloths, Moffenzeef Deviant, SSF DivKid RND STEP, Doepfer A-148, Make Noise Maths, Make Noise Telharmonic, 2hp LFO.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Serge Modular Random Source Variable Q VCF, it is most commonly used with the following gear.

Make Noise Telharmonic
Make Noise Telharmonic Modular Synthesizers
1
Sacrament Modular The Cursible
1
After Later Audio Juggler
After Later Audio Juggler Modular Synthesizers
1
Make Noise Contour
Make Noise Contour Modular Synthesizers
1
Audio Damage ADM10 Kompressor
Audio Damage ADM10 Kompressor Modular Synthesizers
1
Ritual Electronics Altar
Ritual Electronics Altar Modular Synthesizers
1
Vermona fourMulator
Vermona fourMulator Modular Synthesizers
1
Instruō øchd
Instruō øchd Modular Synthesizers
1
Qu-Bit Electronix Bloom
Qu-Bit Electronix Bloom Modular Synthesizers
1

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