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ModularGrid is a database and planner for modular synthesizers

Buchla Electronic Musical Instruments was founded by synthesizer pioneer Don Buchla in 1963 in California.

Show me the Buchla modules

There are 406 Buchla modules to choose from. Users build 5492 Racks in this universe.

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News from the Labs

CubuSynth ARKARION
29 Aug 2025 CubuSynth
Exclusive ARKARION pre-sale Discount! 🔴🟣🔵🟢🟡🟠 Add to cart to get 15% off at www.cubusynth.com 
Fully Wired Electronics
You can still save 15% off all FWE modules, in our End of Summer Sale! You can also get free international shipping on all orders £225/ $303.15 (USD)/ €260.16 with code "Summer25" www.fullywiredelectronics.com/store  
Half-Time Modular 8TR
20 Aug 2025 Half-Time Modular

8TR

We've added our multitrack recorder 8TR and its expander to the grid! 8 channels // 24 bit // 48kHz // 4hp. Stay tuned for the 1U version. 
MH Eurorack
20 Aug 2025 MH Eurorack
We are at Machina Bristronica next month! We will be demoing all our current modules and will have a free prize draw (prizes TBA but there will be at least a few modules) So come along to our stand and say 'hi'. You might end up walking away with some free stuff. 
Blood Cells Audio
19 Aug 2025 Blood Cells Audio
We’ve rolled back prices on some of our modules, including our best-seller, D.O.MIXX. D.O.MIXX: Was $239 -> now $199 MUM: Was $159 -> now $149 221.x2: Was $170 -> now $139 These are the lowest prices we’ve ever offered on these modules. Every order ships with a free BCA blank panel, just pick your size at checkout (2HP, 3HP, or 4HP). https://bloodcellsaudio.com/collections/eurorack 
Older News →

Top Modules rated by users

  1. Studio H 258e / DPO Ø 5.00 (6)
  2. Buchla Model 296 Ø 5.00 (5)
  3. Keen Association 282e Quad Transevent Generator Ø 5.00 (5)
  4. Vedic Scapes 13700 Ø 5.00 (5)
  5. Keen Association Polyphonic Touch'n'Run Voltage Array Model 220/e Ø 5.00 (4)
  6. Buchla Model 250e Ø 5.00 (4)
  7. Buchla Model 259 Ø 5.00 (4)
  8. Other/unknown Benjolin Ø 5.00 (3)
  9. Keen Association Control Voltage Interpreter Model 253e Ø 5.00 (3)
  10. Buchla Model 266 Ø 5.00 (3)
  11. Keen Association 268e Graphic Waveform Generator Ø 5.00 (3)
  12. Magnetic Freak GAUSSIAN Ø 5.00 (3)
  13. Vedic Scapes Metatron Generator 618 II Ø 5.00 (2)
  14. Other/unknown Soundfreak Envelope Shaper/Noise Generator Ø 5.00 (2)
  15. Buchla Model 206e Ø 5.00 (2)
  16. Northern Light Modular Dual CV Polymorpher - Model 2OC Ø 5.00 (2)
  17. Vedic Scapes Dual Duality Processing Filter Ø 5.00 (2)
  18. Other/unknown Soundfreak Dual Filter/Oscillator Ø 5.00 (2)
  19. Keen Association Multidomain Gatekeeper Model 293e Ø 5.00 (2)
  20. Buchla Model 281 Ø 5.00 (2)
  21. Keen Association Spatial System Matrix Model 228e Ø 5.00 (2)
  22. Sputnik Modular Sputnik Dual Defect Processor Model 289 Ø 5.00 (2)
  23. Studio H Control and Signal Router Ø 5.00 (2)
  24. Other/unknown Soundfreak Triple VCO Ø 5.00 (2)
  25. Buchla Model 292e Ø 4.83 (6)

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. Keen Association Entropy And Segments Model 240e in 21 Racks
  2. Northern Light Modular XENOMORPHER - Model 2XO in 18 Racks
  3. 4UShop BB82 in 17 Racks
  4. Other/unknown Doboz T12 in 13 Racks
  5. Other/unknown MORPHAGENE 4U in 13 Racks
  6. MEMS Project 291M in 9 Racks
  7. Buchla 266 (original colour scheme) in 8 Racks
  8. Other/unknown SynthThomas - Quad Resonant Lopass Gate - Model 292 in 6 Racks
  9. EarDrill ModuleModule Frame w/ Modules in 2 Racks
  10. Other/unknown Dual Spatial Logic Controller in 2 Racks
  11. EarDrill ModuleModule Frame w/ JRB Modules in 2 Racks
  12. Other/unknown Scenery in 2 Racks
  13. Northern Light Modular hMY - hED Combo in 1 Racks
  14. Tokyo Tape Music Center Dual Square Wave Geneartor 144 Card in 1 Racks
  15. Other/unknown P4L / DUAL 208 TIMBRE in 1 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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