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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 681 500 Series modules to choose from. Users build 4560 Racks in this universe.

Forum latest Posts

Nordic Echoes I composed a song this weekend using a mix of analog and di… by in You
Syinsi MINIaudioMIXER I've tried the link to the web page, however on multiple br… by in Modules
R*S Boat hey Paolo here, can you contact me via mail? It seems that… by in Racks
Industrial Melody – Dirty Patch Test Hey folks! Here’s a small patch I put together to test the … by in You
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News from the Labs

subMatrix BeetTweek
23 Jul 2025 subMatrix

BeetTweek

BeetTweeks Now in Stock! 
Der Mann mit der Maschine
18 Jul 2025 Der Mann mit der Maschine
New video out! The exklusive "Ask Me Anything" with Mathias the founder of/artist behind "Der Mann mit der Maschine": https://www.youtube.com/watch?v=FH68MNi-L6E 
Black Noise
16 Jul 2025 Black Noise
Only one week left to get up to 30% off on Modules and DIY Kits! https://blacknoisemodular.com/ 
SEOK PHASES
15 Jul 2025 SEOK

PHASES

SEOK x ARTIST // Har Allt Quintet // A new video in our collaboration series! This time with a philosophical take on phase shifting, multiple time signatures and compositional islands. Full video below! https://www.youtube.com/watch?v=ahzz2sD3wh0 
Alfa Delta
11 Jul 2025 Alfa Delta
Demo at Schneidersladen, Berlin. Save the date ! Demo of Dionisi and Metamorf on August 7, 7 pm. 
Pindsvik Audio LIHO
11 Jul 2025 Pindsvik Audio

LIHO

LIHO, the tiny 2HP stereo headphone amplifier & line in/out module, is now also available with a black & gold frontpanel! You can find it here: https://www.pindsvikaudio.com/shop/liho-2#attribute_values=2 
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. Solid State Logic ULTRAVIOLET Stereo Equaliser Ø 5.00 (3)
  5. Serpent SB4001 Ø 5.00 (3)
  6. Smart Research C1LA Ø 5.00 (3)
  7. Rupert Neve Designs 535 Ø 5.00 (2)
  8. IGS Audio S-Type 500 Ø 5.00 (2)
  9. Louder Than Liftoff Chop Shop Void Corp Edition Ø 5.00 (2)
  10. FMR Audio RNC 500 Ø 5.00 (2)
  11. Kush Audio Electra Ø 5.00 (2)
  12. Pete’s Place Electrodyne 501 Ø 5.00 (2)
  13. Louder Than Liftoff Chroma Ø 5.00 (2)
  14. WES Audio Rhea Ø 5.00 (2)
  15. Shadow Hills Dual Vandergraph 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. Kush Audio Electra 500 Ø 4.50 (2)
  23. API 512c 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 67 Racks
  2. Solid State Logic B-DYN 500 Series Dynamics Module in 53 Racks
  3. Elysia xmax 500 in 44 Racks
  4. Cranborne Audio Vintage Wallpaper in 20 Racks
  5. Drawmer MQ-2 in 18 Racks
  6. WES Audio MIMAS Gemini in 10 Racks
  7. Other/unknown Hlabs EQ169 in 10 Racks
  8. Other/unknown T805 in 9 Racks
  9. Drawmer MQ-1 in 9 Racks
  10. Stam Audio SA-1B5 in 8 Racks
  11. AudioScape CL-20 in 6 Racks
  12. Stam Audio 3A-5 in 5 Racks
  13. Classic API Heider® FD312 H2 1dB in 5 Racks
  14. Bereich03 Filterbank in 5 Racks
  15. Bereich03 LC-HC in 4 Racks
  16. Bereich03 Tilt-EQ in 3 Racks
  17. Heritage Audio OST-8_ADAT (Front) in 3 Racks
  18. Other/unknown Dizengoff Audio Type 140 in 3 Racks
  19. Classic API ROCLEM™ MEC32 in 2 Racks
  20. Other/unknown Locomotive Audio 86B-1 in 2 Racks
  21. SM Pro PEQ505 in 2 Racks
  22. Other/unknown Blank 500 series panel in 2 Racks
  23. Other/unknown Locomotive Audio Power-Mu 500 in 2 Racks
  24. Elysia Xfilter 500 Vinyl Allstars in 2 Racks
  25. Other/unknown Hlabs Pré 169 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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My scary 500 Series Zigge

My scary 500 Series

Change Log T805, W92X, SuperBolt, Microphone Preamplifier 501, Soundgas Type 636P, Heider® FD312 H2 1dB, ROCLEM™ MEC32, EQM500, TG2-500 and MIMAS Gemini

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