AudioFuAudioFu Chart · October 2026
Best Tiptop Audio Filter Modules 2026
The top pick is Tiptop Audio Octopass ($424). Tiptop Audio Forbidden Planet Analog Filter gives you the most for the money at $154. Tiptop Audio Buchla Model 296t leads the high end. Ranked by the AudioFu Index from 5 models, prices checked every night.
Last updated: October 14, 2026
Top 5
Full detail for the 5 highest AudioFu Index scores. Every other model is listed below.
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The Octopass is a serious contender if you're chasing that classic Moog filter sound in a Eurorack format and need polyphonic capabilities. It's a fantastic workhorse for sound design and sequencing, especially if you're already invested in Tiptop's Polytip ecosystem. This module shines for those wanting a focused, powerful filter without the complexity of a multi-mode behemoth.
Pros
- Exceptional 24dB low-pass character, classic Moog-inspired warmth.
- Polytip system enables genuinely polyphonic Eurorack workflows.
- Robust build quality with Tiptop's signature metal chassis.
Cons
- Polytip cables are proprietary and add to the overall expense.
- 20HP footprint can be restrictive in smaller Eurorack cases.
48AudioFu
Index↓ 24.0%since Aug 14 · lowest so far$558 · Aug 14$424 now$424€379 at Thomann · in stockCheck price ↗ -
The 296t is a beast for sound design and experimental textures. If you're into vocoding, complex filtering, or just want to mangle sounds in seriously unique ways, this module will be your new best friend. It's a premium-priced piece, but the sonic possibilities are truly rewarding once you wrap your head around it.
Pros
- Exceptional sonic sculpting capabilities with 16 distinct bands.
- Robust build quality; Tiptop's signature metal chassis feels solid.
- Envelope follower outputs offer unique modulation possibilities.
Cons
- Steep learning curve; mastering the complex routing takes dedication.
- Power hungry; demands a substantial amount of current from your PSU.
47AudioFu
Index↓ 14.3%since Aug 14 · lowest so far$782 · Aug 14$670 now$670€599 at Thomann · in stockCheck price ↗ -
The 292t is a fantastic workhorse for anyone needing a flexible and characterful quad filter/VCA. It’s a great solution for creating evolving textures, percussive sequences, or shaping multiple voices. If you're building a system focused on sound design or modular experimentation, this module deserves serious consideration.
Pros
- Robust aluminum chassis feels exceptionally solid and well-built.
- Versatile routing options allow for complex modulation and sound design.
- Four independent channels provide a surprising amount of sonic flexibility.
Cons
- Lacks optocoupler, potentially introducing more noise than some purists prefer.
- 16HP footprint can be restrictive in smaller Eurorack cases.
46AudioFu
Index↓ 12.8%since Aug 14 · lowest so far$446 · Aug 14$389 now$389€348 at Thomann · in stockCheck price ↗ -
The Forbidden Planet nails the Synthacon’s character, offering a raw, vintage filter sound perfect for experimental sound design and gritty basses. Its compact size makes it easy to integrate into smaller modular rigs, but be prepared to dive in and really explore its possibilities – it’s not a plug-and-play experience.
Pros
- Authentic Steiner Parker Synthacon vibe delivers unique, resonant character
- Excellent self-oscillation capabilities for aggressive sound design
- Compact 8 TE module fits well in most Eurorack systems
Cons
- Limited filter modes compared to more complex filter modules
- Power draw could be a factor in power-constrained systems
39AudioFu
IndexStableno change since Aug 14Aug 14$154 now$154€138 at Thomann · in stockCheck price ↗ -
This is a great filter for anyone who wants to sculpt pads, drums, or full mixes. You can pick three different filter types and change them with your own voltage signals. It fits perfectly in a rack space and feels like a classic Moog tool.
Pros
- Three independent filters let you shape sound in real time.
- Switchable low, band, and high pass modes give huge flexibility.
- CV control lets you automate frequency and resonance easily.
Cons
- No specific filter slope values are listed in the text.
- Only mono input and output channels are available.
39AudioFu
IndexStableno change since Aug 17Aug 17$211 now$211€189 at Thomann · in stockCheck price ↗
How to choose the best filter modules
Tone Character
Tiptop filters consistently deliver a thick, saturated tone. It's not a pristine, surgical sound; it's got a warmth and a slight grit that really responds well to aggressive filtering and resonance sweeps. Think classic analog warmth, but with a bit more edge-great for adding some real presence to a dull patch.
Moog Heritage
The core designs are heavily influenced by the Moog ladder filter, which is a huge deal. They've managed to capture much of that classic Moog fatness-that fat midrange honk-without being a direct clone. It's a familiar starting point for many, but Tiptop's interpretations have their own distinct flavor.
Build Quality
The metal chassis are seriously robust. I've gigged with these modules in cramped club setups, and they've taken a beating and kept ticking. The pots feel solid, and the jacks are well-mounted - a huge improvement over some of the cheaper modules out there.
Resonance Control
Tiptop's resonance implementation is aggressive. It's a huge part of their signature sound, allowing for those self-oscillating, screaming filter sweeps that are perfect for techno, industrial, and experimental music. It's not subtle - be prepared to tame it!
Module Variety
They offer a range of filter types, from the classic 4-pole ladder to unique designs like the distorted Zeta filter. This gives you options for different sonic textures - from subtle low-pass warmth to outright chaotic mayhem.
Buying guide
Alright, let's talk Tiptop Audio filters. If you're diving into Eurorack, you quickly realize filters are the heart of so much character - not just for basslines, but for everything from subtle warmth to screaming leads. Tiptop's filters have carved out a serious space for themselves, offering a unique blend of vintage mojo and modern functionality, and they're not always the obvious choice, but when they click, they really click.
Tiptop filters aren't the cheapest option on the Eurorack market, but you're paying for that robust build and the signature Tiptop sound. The Zeta filter, with its built-in distortion, is fantastic for aggressive sounds, but might be overkill if you're primarily after clean filtering. Don't expect perfectly pristine, surgical filtering - these are character filters, and their strength lies in their saturation and resonance.
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 5 filter modules from the Thomann catalogue (of 101 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 Tiptop filters easy to use?
They're relatively straightforward, especially if you're familiar with Moog filter architecture. The resonance can be aggressive, so start low and work your way up. The manuals are clear and helpful, though.
Can I use these filters in a recording studio?
Absolutely. The warmth and saturation they add can be a huge asset for tracking and mixing. They excel at adding body to basslines and grit to leads. Just watch the headroom with extreme resonance settings.
How do Tiptop filters compare to Moog filters?
They capture the essence of the Moog sound but have their own personality. Tiptop's filters tend to be a bit more aggressive and saturated, while Moog filters can be cleaner and more versatile, though both are exceptional.
Are the Zeta filters noisy?
The Zeta filters, with their built-in distortion, can be a bit noisy, especially at higher drive settings. It's part of their character, but it's something to be aware of if you're aiming for pristine clean sounds. Noise gates can easily tame it.
What's the best Tiptop filter for beginners?
The hand-wired stereo filter is a great entry point - it's a more accessible and versatile option that showcases the core Tiptop sound without the extreme resonance of some other models.
