{"title":"MMI MODULAR","description":"\u003cp\u003e\u003ca href=\"https:\/\/github.com\/MMImodular\"\u003e\u003cstrong\u003ehttps:\/\/github.com\/MMImodular\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe designs of Matt Gaines\u003c\/p\u003e","products":[{"product_id":"mutated-cirrus-clouds-mmi-modular-version-texture-synthesizer-pcb","title":"CLOUDS \/texture synthesizer","description":"\u003cp\u003e\u003ca href=\"https:\/\/github.com\/pichenettes\/eurorack\"\u003eGithub - BOM\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 id=\"features\"\u003eFeatures\u003c\/h2\u003e\n\u003ch3 id=\"audio-buffer-acquisition\"\u003eAudio buffer acquisition\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStereo I\/O. Even with a mono recording buffer, a wide stereo output can still be simulated by randomly panning grains or through the stereo reverberator.\u003c\/li\u003e\n\u003cli\u003eStereo pre-amp with a gain range covering modular and line levels.\u003c\/li\u003e\n\u003cli\u003eRecording buffer size: 1s (32kHz, stereo) to 8s (16kHz, µ-law, mono).\u003c\/li\u003e\n\u003cli\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFREEZE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebutton and the corresponding gate input freezes the content of the recording buffer, allowing you to dive into its sonic details.\u003c\/li\u003e\n\u003cli\u003e4 memory slots for storing and recalling buffers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"granular-synthesis\"\u003eGranular synthesis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGrain generation time base: periodical, randomized, or externally clocked.\u003c\/li\u003e\n\u003cli\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePOSITION\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eknob selects from which part of the recording buffer the grains are extracted.\u003c\/li\u003e\n\u003cli\u003eGrain size from 16ms to 1s.\u003c\/li\u003e\n\u003cli\u003eUp to 40 to 60 concurrent grains (depending on recording buffer resolution).\u003c\/li\u003e\n\u003cli\u003eTransposition from -2 octaves to +2 octaves, with V\/O tracking.\u003c\/li\u003e\n\u003cli\u003eGrain envelope continuously variable between boxcar, triangle and Hann functions.\u003c\/li\u003e\n\u003cli\u003eCV inputs for all grain parameters, individually sampled and held by each grain. For stochastic, Xenakis-style explorations, try feeding random voltages to those!\u003c\/li\u003e\n\u003cli\u003eDiffusion network with 4 All-pass filters to post process the granularized signals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"post-processing-blending-settings\"\u003ePost-processing (\"blending\") settings\u003c\/h3\u003e\n\u003cp\u003e4 post-processing parameters are controlled by the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBLEND\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eknob and CV input:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDry\/wet balance.\u003c\/li\u003e\n\u003cli\u003eRandom panning amount.\u003c\/li\u003e\n\u003cli\u003eFeedback amount.\u003c\/li\u003e\n\u003cli\u003eReverb amount.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"specifications\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput impedances: 100k.\u003c\/li\u003e\n\u003cli\u003eAudio input gain range: line level to modular level.\u003c\/li\u003e\n\u003cli\u003eCV range: +\/- 5V. CVs outside of this range are simply clipped.\u003c\/li\u003e\n\u003cli\u003eInternal processing: 32kHz, 32-bit floating point. RAM Recording buffer uses 16-bit (high quality) or 8-bit µ-law (low quality) resolution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCode (AVR projects): GPL3.0.\u003c\/p\u003e\n\u003cp\u003eCode (STM32F projects): MIT license.\u003c\/p\u003e\n\u003cp\u003eHardware: cc-by-sa-3.0\u003c\/p\u003e\n\u003cp\u003eBy: Emilie Gillet (\u003ca href=\"mailto:emilie.o.gillet@gmail.com\"\u003eemilie.o.gillet@gmail.com\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eCirrus pcb\u003c\/h1\u003e\n\u003cp\u003eMMI Modular rework of Mutable Instruments Clouds pcb \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaced plastic gain potentiometer with dual gang Alpha style A50k potentiometer. These can be found \u003ca rel=\"nofollow\" href=\"https:\/\/www.thonk.co.uk\/shop\/alpha-9mm-pots-dshaft\/\"\u003ehere\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChanged all 10uF capacitors to the Panasonic B footprint. Dimensions can be found \u003ca rel=\"nofollow\" href=\"https:\/\/www.mouser.com\/datasheet\/2\/315\/ABA0000C1251-1138508.pdf\"\u003ehere\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMoved some capacitors around to make hand soldering easier\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCirrus is my rework of the popular Clouds module, originally designed by Emilie Gillet of Mutable Instruments. After building several Clouds myself, I found several problems that were easy to fix with a simple PCB revision. I decided it would be worth the effort, so here it is.\u003c\/p\u003e\n\u003cp\u003eThis pcb fits the standard Clouds panel \u003c\/p\u003e","brand":"MUTATED","offers":[{"title":"Cirrus pcb only","offer_id":57194059301128,"sku":"1000098","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"black anodized aluminium panel only","offer_id":57194059333896,"sku":"4103","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/0902\/6312\/files\/clouds.jpg?v=1776361404"},{"product_id":"mmi-modular-bam-attenumult-unity-mix-pcb-and-panel","title":"ATTENUMULTS","description":"\u003ch5\u003e\u003ca href=\"https:\/\/github.com\/MMImodular\/Modules\/tree\/master\/Attenumults\"\u003eGithub\u003c\/a\u003e\u003c\/h5\u003e\n\u003cp\u003eAttenumults allows you to control a number of parameters at once in different directions and magnitudes, a useful utility module and a perfect complement to Maths or Rampage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual 1:4 buffered multiple with individual attenuverters on each output\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual 3:1 unity mixers are at the bottom to provide extra utility\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"MMI MODULAR","offers":[{"title":"Default Title","offer_id":57194351558920,"sku":"191129","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/0902\/6312\/files\/Attenumults-square.jpg?v=1776361828"},{"product_id":"mmi-modular-two-nine-five-buchla-comb-filter-pcb-amp-14hp-black-amp-gold-fr4-panel","title":"TWO NINE FIVE \/comb filter","description":"\u003ch5\u003e\u003ca href=\"https:\/\/github.com\/MMImodular\/Modules\/tree\/master\/Two%20Nine%20Five?fbclid=IwAR3khf4-7uVgvDICt2KDCM-IpfKSXm2QavEONBD6s9z9jQojohCqIw23_8A\"\u003eGithub\u003c\/a\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eEurorack adaptation of the Buchla Model 295 10-channel comb filter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e10 LED sliders control the amplitude of each band sent through the SUM output\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndividual channel outputs to the right of each slider\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTunable band frequencies, Q's, and amplitude via trim pots on the back of the module.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis recreation of the Model 295 has been in my head since before I owned any modular. After using a restored Buchla at the Oberlin Conservatory of Music, the 295 became one of my favorite modules in the whole case. Buchla modular is far out of my budget so with the original schematics in hand, I made a much more compact 3U version of it. The circuitry is exactly the same, though more modern op-amps have to be used since the ones used in the original design are no longer available. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThings to note when building\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is absolutely imperative that you solder R13, R39, R17, R37, R19, R35, R25, and R33 properly before mounting the trim pots as they will be very difficult to reach once all components are in place. To confirm they are soldered properly, measure the resistance between the two middle pins of each trim pot location. For instance, the resistance between the middle pin of VR10 and VR9 should be roughly 68 kOhms.\u003c\/p\u003e\n\u003cp\u003eIn addition, please heed the warning on the front of the PCB and place the trim pots on the back of the module. There is not enough space between the PCB and panel for the trim pots and having them on the back allows for you to tune everything without taking the panel off. I kept the silk screen for the pots on the top side in order to avoid cluttering the bottom silkscreen layer. \\n \\nAs for the illuminated slide pots, there's a few things to consider. They are acting as cross faders so any value between 10k and 100k should work just fine. They are taking an audio signal so ideally you want audio response, but linear response will function just fine. Ideal shaft length is 15mm but I have used 10mm successfully, the tops are just a tad close to the panel. You do not want a center detent if you can help it. The sliders I used can be found on Mouser: 652-PTL20-10R0-103B2 \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to tune your 295\u003c\/strong\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUsing a VU meter, set a sine wave out to -6.5dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput that sine wave to the 295 filter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSet the frequency of the wave to match the frequency of the band you'd like to tune (e.g. 3000 Hz)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSlide the potentiometer of the band you want to tune all the way to the right\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTurn the 20k trim pot until the SUM output of the 295 filter is at 0 dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThen scan your sine wave around your desired frequency and note where the VU meter peaks\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjust 100k trim pot until the peak happens as close to the desired frequency as possible\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eAdjust the 20k trim pot a second time so the output is back at 0db as the 100k trim pot has an effect on amplitude.\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eRepeat for each band\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\\nPCB and panel designed by me \\n \\nOriginal schematic by Don Buchla\u003c\/p\u003e","brand":"MMI MODULAR","offers":[{"title":"Default Title","offer_id":57194361389320,"sku":"9999953","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/0902\/6312\/files\/twoninefive-square.jpg?v=1776361830"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/0902\/6312\/collections\/36641700.jpg?v=1778685299","url":"https:\/\/pushermanproductions.com\/collections\/mmi-modular.oembed","provider":"Pusherman","version":"1.0","type":"link"}