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Eurorack Buchla Frac Modcan A MOTM MU Serge 500 Series AE Modular Pedals

The 500 Series is not a modular synthesizer format but a modular audio processing stack and was originally developed by API.

Show me the 500 Series modules

There are 709 500 Series modules to choose from. Users build 4797 Racks in this universe.

Forum latest Posts

Starting over with a beginners mindse... I’ve been dabbling in modular for quite a while, but up unt… Yesterday, 21:30 by PremiumPerception in Racks

Mechanised Movements https://youtu.be/SwLV6Ac--JY?si=i4YE7pmQLYdi8jO5 Yesterday, 17:26 by Pioneer123 in You

Advice for a rack - focus is industri... Thank you! I'm slightly confused because I have a Making So… Friday February 20, 17:28 by akirako in Racks

New version MK2 of Zazou Hi, I'm Gilles from Kaona, I just published the new versi… Thursday February 19, 10:24 by Kaona in Modules

I fear I might have made parts of my ... I have added a Selecta and a Doepfer Slew Limiter, because … Wednesday February 18, 17:46 by Zacksname in Modular Discussions

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News from the Labs

20. February 2026 Larix Elektro

Now, the DUAL UNDULA OSCILLATOR & the TRICOMP, the Black & Gold version, are available at Schneidersladen :)

19. February 2026 Joranalogue Audio Design

Warp 1

The newest addition to our range, Warp 1 is available right now! Warp 1 is a unique waveshaper, precisely implementing maths to create useful and musical shaping of any incoming voltage (ac and dc). Recently DivKid made a deep-dive video about the module. Go watch it if you want to hear Warp 1 clip, shift, bend and shred (it's beautiful—we promise): https://youtu.be/fKtOVS5D36o

19. February 2026 Noise Engineering

The Noise Engineering Case of Steel is a 64 HP powered skiff designed to stay put while you patch. With built-in mults, robust busboard power, and enough depth to house all but the deepest modules, Case of Steel is a solid and convenient way to jam with your favorite modules. Plus, a power brick is included, so you're ready to go out of the box. A limited run of 100 cases is available now from the Noise Engineering webshop.

18. February 2026 Jolin

Don’t Go Alone, Take This Jolin launches Don’t Go Alone, Take This, a limited campaign celebrating Eurorack modules that work best in pairs. Selected bundles come at special pricing, while Jolin users can share a performance video, tag @jolin, and receive a 30% discount code (bundles excluded). One participant will win a KRONO module. Runs until February 24. jolin.tech

18. February 2026 Jasmine & Olive Trees

Stps

Firmware Update V3 for Stps. Pattern morphing, BURN inputs, Looped random gates mode, Free running mode, Auto reset, 24 PPQN, standard gate width, CV scaling setting and more :) Watch it in action: https://www.youtube.com/watch?v=M8A-DKgosDw

17. February 2026 Malstrom

Faun

We are happy to announce two new modules! FAUN - a variable character filter with continuous slopes across all four filter types, and adjustable timbre control! TUNDA - a cascaded buffer system that let's you decide to mix, mult, attenuate, amplify and route while you patch!

Older News →

Top Modules rated by users

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IGS Audio S-Type 500 Ø 5.00 (2)
Louder Than Liftoff Chop Shop Void Corp Edition Ø 5.00 (2)
FMR Audio RNC 500 Ø 5.00 (2)
Louder Than Liftoff Chroma Ø 5.00 (2)
Elysia Nvelope 500 Ø 4.80 (5)
Elysia Xfilter 500 Ø 4.75 (4)
Elysia Xpressor 500 Ø 4.67 (6)
DIYRE Colour Palette MK2 Ø 4.67 (3)
Elysia Karacter 500 Ø 4.50 (4)
Sound Skulptor MP573 Ø 4.50 (2)
API 512c Ø 4.50 (2)
Kush Audio Electra 500 Ø 4.50 (2)
Trident Audio Developments 80B 500 Series EQ Ø 4.50 (2)

Modules have to be rated at least 2 times to appear in this list. Any module with a rating better than Ø 4.34 is considered to be above average.

Show the Top 100 evaluation lists