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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 684 500 Series modules to choose from. Users build 4642 Racks in this universe.

Forum latest Posts

Frequency Central Looking Glass Very useful little module, especially for CV. Be warned tha… Yesterday, 20:44 by imritalgam in Modules

A beginner needs some advice some great comments from everyone , and some good changes i… Yesterday, 19:26 by arkatun in Racks

Creating lush reverbs and more with B... hi i just had a flick through your video ... i wanted to … Yesterday, 19:04 by arkatun in You

Entries that aren't actually modules ... If something can be mounted in an Eurorack enclosure and ru… Yesterday, 13:08 by modulargrid in ModularGrid

Bad traders on the marketplace [no do... ok, so i am sorry to report that @AnalogSpecies immediately… Yesterday, 08:44 by maciej83 in ModularGrid

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News from the Labs

10 Oct 2025 Joranalogue Audio Design

Walk 4

Presenting Walk 4, our upcoming Quad Brownian Accumulator. It combines four analogue accumulators, a clock generator, white noise and auto reset to create a voltage stepping juggernaut. Get up to speed with the intro video by BRiES: https://youtu.be/sVNeLXG2wlI

9 Oct 2025 Scrapcode Modular

Don't let the Halloween ghouls beat you to a great deal! Get 15% off all built modules and DIY kits at www.scrapcode.co.uk until the end of October. Offer includes AXIOM, WONK, QUATT and X, but only while stocks last! Use coupon code "SPOOKTOBER" at checkout to activate discount :)

9 Oct 2025 Kaona

Skippy MK3

New update for Skippy from Kaona: – Enriched Euclid, with ready-to-play patterns – Fractal mode: fractals to explore chaos – Line mode, a complete melodic generator – Enriched Gauss: handles both progressive and bell-shaped structures – Time mode (Gauss) now adaptable to all functions – SPIN usable with all matrices, including time-based – Proportional gates – New CV output: “End of Cycle” – New CVIN expander

7 Oct 2025 Panels4DIY

19in diy modular 1u 3u 5u

5 Oct 2025 Alyseum

Alyseum is pleased to present two unique new modules, PLEXUS and PUSH, now available at Perfect Circuit (US), Fukusan (JP), and online. Ready to explore new sounds? These modules are designed to push the boundaries of your creativity.

3 Oct 2025 NoisyFruitsLab

DCO

Dual Wavetable Oscillator guaranteed noise inside ;) https://noisyfruitslab.com/?p=7533

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Top Modules rated by users

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Rupert Neve Designs 535 Ø 5.00 (2)
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)
API 512c Ø 4.50 (2)
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Trident Audio Developments 80B 500 Series EQ Ø 4.50 (2)
Sound Skulptor MP573 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