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ModularGrid is a database and planner for modular synthesizers

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 683 500 Series modules to choose from. Users build 4640 Racks in this universe.

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News from the Labs

u-he Cen2rion
30 Sep 2025 u-he
CEN2RION is a six-input, two-output scanning mixer for audio, CV, or both at the same time. Cleverly controlled with just two knobs per layer, the twelve high-quality VCAs can mute, solo, blend, sum, route, or split signals across two busses. Learn more about it here: https://u-he.com/products/cen2rion/ 
Joranalogue Audio Design Walk 4
We're presenting two brand new modules at Machina Bristronica: Walk 4 and Warp 1. Learn more at https://joranalogue.com/ or head to our booth to check them out! 
Ferry Island Modular Four Seas
Big news: Four Seas is finally setting sail! ⛵ It’s in the final production stage and will ship by the end of October. Pre-orders are open now via Schneidersladen and Perfect Circuit. Retail: 599€ / $699 (depends on VAT, exchange rates, etc.) Catch more updates on our website and Instagram! 
Noise Engineering Mimetic Digitwolis
23 Sep 2025 Noise Engineering
A new firmware update is now available for Mimetic Digitwolis! This update includes workflow improvements, additional MIDI options, improved slew, minor bug fixes, and more. Learn more at our website!  
Aircraft Designs
23 Sep 2025 Aircraft Designs
Hi everyone, Here’s our latest interview with Stromkult, where we share some insights about Aircraft Designs, our approach, and what drives us forward: https://www.stromkult.com/index.php/feature/221-aircraft-designs We’re really happy with how it turned out - it’s always exciting to talk about the philosophy behind our modules and the little details that make them unique. Curious to hear your thoughts! 
Clatters Garden Listener
21 Sep 2025 Clatters
Heading to Machina Bristronica? Join our DIY workshop and let’s build together a Garden Listener! Reserve your spot here: https://www.elevatorsound.com/product/clatters-machines-diy-workshop-machina-bristronica-2025-reservation/ DIY kit for the festival comes at the really special price of 170€!  
Older News →

Top Modules rated by users

  1. API 550A Ø 5.00 (4)
  2. Elysia Nvelope 500 Ø 5.00 (4)
  3. Classic API VP28 Ø 5.00 (3)
  4. Serpent SB4001 Ø 5.00 (3)
  5. Solid State Logic ULTRAVIOLET Stereo Equaliser Ø 5.00 (3)
  6. Smart Research C1LA Ø 5.00 (3)
  7. Louder Than Liftoff Chop Shop Void Corp Edition Ø 5.00 (2)
  8. FMR Audio RNC 500 Ø 5.00 (2)
  9. Kush Audio Electra Ø 5.00 (2)
  10. Pete’s Place Electrodyne 501 Ø 5.00 (2)
  11. Louder Than Liftoff Chroma Ø 5.00 (2)
  12. Shadow Hills Dual Vandergraph Ø 5.00 (2)
  13. WES Audio Rhea Ø 5.00 (2)
  14. IGS Audio S-Type 500 Ø 5.00 (2)
  15. Rupert Neve Designs 535 Ø 5.00 (2)
  16. Elysia Xfilter 500 Ø 4.75 (4)
  17. Elysia Xpressor 500 Ø 4.67 (6)
  18. DIYRE Colour Palette MK2 Ø 4.67 (3)
  19. Elysia Karacter 500 Ø 4.50 (4)
  20. Trident Audio Developments 80B 500 Series EQ Ø 4.50 (2)
  21. Sound Skulptor MP573 Ø 4.50 (2)
  22. API 512c Ø 4.50 (2)
  23. Kush Audio Electra 500 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

Popular Modules in racks

  1. Cranborne Audio Brick Lane 500 in 81 Racks
  2. Elysia xmax 500 in 55 Racks
  3. Solid State Logic B-DYN 500 Series Dynamics Module in 54 Racks
  4. Other/unknown T805 in 30 Racks
  5. Classic API ROCLEM™ MEC32 in 24 Racks
  6. Cranborne Audio Vintage Wallpaper in 20 Racks
  7. Drawmer MQ-2 in 20 Racks
  8. AudioScape CL-20 in 13 Racks
  9. Stam Audio SA-1B5 in 13 Racks
  10. WES Audio MIMAS Gemini in 11 Racks
  11. Drawmer MQ-1 in 9 Racks
  12. Stam Audio 3A-5 in 7 Racks
  13. Other/unknown Blank 500 series panel in 7 Racks
  14. Bereich03 Filterbank in 5 Racks
  15. Classic API Heider® FD312 H2 1dB in 5 Racks
  16. Other/unknown Locomotive Audio Power-Mu 500 in 5 Racks
  17. Elysia Xfilter 500 Vinyl Allstars in 3 Racks
  18. Bereich03 LC-HC in 3 Racks
  19. Other/unknown Dizengoff Audio Type 140 in 3 Racks
  20. Bereich03 Tilt-EQ in 3 Racks
  21. Heritage Audio OST-8_ADAT (Front) in 3 Racks
  22. SM Pro PEQ505 in 2 Racks
  23. Bereich03 sggsfgsgf in 2 Racks
  24. Harrison Comp in 2 Racks
  25. Other/unknown Locomotive Audio 86B-1 in 2 Racks

The list of Popular Modules is generated from Modules that have been added to Racks AND have been released in the specified time period.

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