AudioFuAudioFu Chart · October 2026
Best Erica Synths Filter Modules 2026
The top pick is Erica Synths Pico VCF1 Filter ($111). Erica Synths Black Polivoks VCF V2 leads the high end. Ranked by the AudioFu Index from 7 models, prices checked every night.
Last updated: October 12, 2026
Top 7
Full detail for the 7 highest AudioFu Index scores. Every other model is listed below.
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The Pico VCF1 is a fantastic little module for anyone wanting that classic, gritty Polivoks filter sound without the bulk. It's a real workhorse for experimental sound design and adding some edge to your modular patching, especially if you're into darker, industrial textures.
Pros
- Authentic Polivoks filter character, surprisingly powerful for its size
- Russian NOS op-amps deliver a unique, vintage-flavored tone
- Self-oscillation is clean and usable for wild sound design
Cons
- Limited filter modes compared to full-sized counterparts
- Power draw is a bit higher than some other Pico modules
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The Erica Synths Black is a fantastic, character-rich multimode filter that's a real workhorse. It's a great entry point into more complex filtering, especially if you’re chasing that vintage Moog vibe, and its small size is a huge bonus for Eurorack users. Perfect for sound design, experimental music, and adding warmth to synths.
Pros
- Gorgeous, warm filter character with genuine germanium overdrive tone
- Excellent resonance sweep provides screaming, musical feedback possibilities
- Compact 10HP footprint makes it ideal for dense modular setups
Cons
- The lowpass mode can be a bit muddy with extreme resonance
- Limited filter modes compared to some pricier, more complex options
64AudioFu
IndexStableno change since Aug 14Aug 14$201 now$201€179 at Thomann · in stockCheck price ↗ -
This Erica Synths Polivoks VCF V2 is a fantastic little module for recreating that gritty, Russian synth vibe. It’s a no-frills design, but it nails the aggressive character of the original Polivoks filter, perfect for industrial, experimental, or anyone craving a raw, analog edge in their modular patch. A great choice for those seeking a specific, iconic sound without a huge commitment.
Pros
- Authentic Polivoks character with original K140UD12 chips
- BP mode delivers aggressive, resonant sweeps and textures
- Compact 10HP footprint ideal for space-constrained modular systems
Cons
- Limited filter modes compared to more versatile options
- Can be quite aggressive and noisy at higher resonance settings
62AudioFu
IndexStableno change since Aug 14Aug 14$222 now$222€198 at Thomann · in stockCheck price ↗ -
The Black LPG is a clever little module that gives you a lot of bang for your buck. It’s perfect for sound designers and experimental musicians who want a versatile filter/VCA in a small space—the resonance overdrive is a real highlight and adds a lot of character. It’s a great starting point for modular exploration, too.
Pros
- Unique filter/VCA hybrid design offers incredible sonic flexibility
- Resonance overdrive adds a satisfying grit and character
- Compact 10HP footprint maximizes space in modular setups
Cons
- Limited modulation destinations compared to larger filter modules
- Offset control can be a bit finicky to dial in precisely
41AudioFu
Index↓ 2.1%since Aug 14 · lowest so far$212 · Aug 14$207 now$207€185 at Thomann · in stockCheck price ↗ -
The Black 3109 is a seriously punchy filter – it nails that classic Moog vibe. It’s a great entry point to Erica Synths' Black series and a fantastic choice for anyone wanting that aggressive, resonant low-pass sound without needing a massive patch bay. Ideal for techno, industrial, or anyone wanting a raw, gritty edge.
Pros
- Aggressive, Moog-inspired filter character delivers classic analog warmth.
- Level compensation avoids volume drops at high resonance, a genuinely useful feature.
- Built-in VCA simplifies patching and offers a convenient all-in-one solution.
Cons
- Limited filter modes compared to more complex, higher-priced offerings.
- The attenuators could benefit from finer resolution for precise CV control.
40AudioFu
IndexStableno change since Aug 14Aug 14$207 now$207€185 at Thomann · in stockCheck price ↗ -
This Erica Synths module is a real character piece. The crossfading between low and high pass is incredibly musical and useful for creating evolving textures and rhythmic filtering. It’s perfect for experimental sound design, glitchy percussion, and anyone wanting a unique filter voice in their modular setup.
Pros
- Unique crossfade creates evolving, dynamic filter sweeps.
- Stereo operation expands sonic possibilities for textures.
- Solid build quality; Erica Synths consistently reliable.
Cons
- 8HP footprint can be restrictive in smaller modular systems.
- Limited filter modes compared to some more complex offerings.
40AudioFu
IndexStableno change since Aug 14Aug 14$234 now$234€209 at Thomann · in stockCheck price ↗ -
This Erica Synths Graphic Resonant FB is a beast for sound designers and experimental musicians who crave complex, evolving textures. It’s a fantastic way to inject a huge amount of character and movement into your modular system, pushing beyond the capabilities of standard filters. If you're into evolving soundscapes and intricate modulation, this is a powerful tool to explore.
Pros
- Exceptional resonant character creates uniquely sculpted, evolving sounds.
- Digital control offers precise filter shaping beyond analog limitations.
- Versatile modes expand sonic possibilities, from subtle warmth to aggressive filtering.
Cons
- Steep learning curve; mastering the complex controls requires dedication.
- Size (standard Eurorack format) can be limiting in smaller modular setups.
40AudioFu
IndexStableno change since Aug 14Aug 14$414 now$414€369 at Thomann · in stockCheck price ↗
How to choose the best filter modules
Heritage & Design Philosophy
Erica's filters are heavily influenced by Moog's classic ladder filters, but they've added their own subtle refinements and often push the saturation and resonance beyond what you'd find in vintage circuits. This gives them a unique character-less a clone, more an inspired evolution.
Resonance Behavior
This is where Erica really shines. Their resonance isn't just a volume boost; it's a complex, harmonically rich sweep. It can go from a warm, buttery sustain to a screaming, self-oscillating chaos, and that transition is musical, not just a linear increase in dB. Perfect for evolving pads or aggressive basslines.
Drive & Saturation
Most Erica filters offer built-in drive stages. It's not just distortion; it's saturation that adds warmth, harmonics, and a perceived loudness without completely muddying the low end. It's a subtle but critical ingredient for cutting through a mix, especially in a band setting.
Build Quality & Component Selection
The modules are generally well-built, with sturdy jacks and robust knobs. They aren't boutique-level pristine, but they feel solid and reliable for gigging. The components are chosen for their sonic characteristics, prioritizing character over absolute precision - a common theme with Erica.
Modular Integration
Erica Synths designs with modularity in mind. Their filters play exceptionally well with other Eurorack modules, offering a wide range of modulation possibilities. The input and output impedances are well-considered, minimizing signal loss and unwanted interactions.
Buying guide
Okay, so you're diving into the Erica Synths filter world? Smart move. They've carved out a serious niche for themselves, not by chasing trends, but by delivering raw, characterful filtering that's rooted in classic Moog designs, but with a distinctly Baltic twist. Forget polite, textbook filters; Erica's modules are about grit, warmth, and that undeniable 'something' that makes a sound truly memorable.
Erica filters aren't the cheapest options out there, but you're paying for that distinct tonal character. If you're after pristine, surgical filtering, look elsewhere. However, if you want a filter that adds warmth, grit, and a whole lot of personality to your sounds, Erica is tough to beat.
Watch out for the older models; some have slightly less robust pots than the newer revisions.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 7 filter modules from the Thomann catalogue (of 102 in the category). Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
Are Erica filters true Moog clones?
No. They're inspired by Moog, absolutely, but Erica's engineers have made significant modifications, particularly to the resonance and drive circuits, to create their own unique sonic signature.
Can I use an Erica filter in a guitar effects chain?
Absolutely. The line-level output means you'll need a line-instrument interface, but the results can be incredible-everything from subtle warmth to full-on fuzz. Just be mindful of headroom.
What's the difference between the SMR4 and the BPM4?
The SMR4 is a state-variable filter, offering a more flexible, multi-mode sound. The BPM4 is a classic 4-pole Moog-style ladder filter. Choose the SMR4 if you want versatility, the BPM4 if you want that raw, aggressive Moog vibe.
Are Erica filters noisy?
Like most analog filters with aggressive resonance, they can exhibit some self-noise, especially when pushed hard. It's usually part of the charm, but if you're after absolute silence, it's something to consider.
Do I need a lot of modulation to get the most out of an Erica filter?
Not necessarily. They sound great static, but modulation - LFOs, envelopes, sequencers - really unlocks their potential, allowing you to create evolving textures and dynamic soundscapes.
