{"title":"Eurorack - S\/H + Random Modulation","description":"","products":[{"product_id":"doepfer-a-118-2v-vintage-edition","title":"Doepfer A-118-2 Noise \/ Random Slim Line (Vintage Edition)","description":"\u003cp data-start=\"534\" data-end=\"808\"\u003eThe Doepfer A-118-2 is a slim 4HP analog module that generates noise and random control voltages, ideal for modulation and textural audio sources. This Vintage Edition features a black panel with white printing and compact design for tight systems.\u003c\/p\u003e\n\u003cp data-start=\"810\" data-end=\"1136\"\u003eWhite noise and coloured noise outputs are available, with red and blue level controls that shape the spectrum of the coloured output. These same controls influence the character of the continuous random voltage, which is derived via low-pass filtering. Rate and amplitude of the continuous random signal can also be adjusted.\u003c\/p\u003e\n\u003cp data-start=\"1138\" data-end=\"1421\"\u003eA built-in S\u0026amp;H\/T\u0026amp;H section produces stepped random voltages from the same signal, clocked via a digital trigger or gate. Dual-colour LEDs provide visual feedback for both random voltage outputs, making this module a versatile generator of unpredictable but musically useful voltages.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":52778013524300,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/18509783_800.jpg?v=1762277893"},{"product_id":"doepfer-a-149-2-digital-random-voltages","title":"Doepfer A-149-2 Digital Random Voltages","description":"\u003cp data-start=\"232\" data-end=\"654\"\u003eThe A-149-2 is an \u003cstrong data-start=\"277\" data-end=\"296\"\u003eexpander module\u003c\/strong\u003e for the Doepfer A-149-1 Quantized\/Stored Random Voltages, designed to generate \u003cstrong data-start=\"376\" data-end=\"405\"\u003eeight random gate signals\u003c\/strong\u003e that respond to the clock input of the A-149-1’s Quantized Random section. It adds rhythmic unpredictability to your modular system — ideal for \u003cstrong data-start=\"550\" data-end=\"574\"\u003etriggering envelopes\u003c\/strong\u003e, firing off random percussive events, or building evolving generative patterns.\u003c\/p\u003e\n\u003cp data-start=\"656\" data-end=\"991\"\u003eThe module connects directly to the A-149-1 via an internal ribbon cable (no extra power header required) and features \u003cstrong data-start=\"775\" data-end=\"797\"\u003eeight gate outputs\u003c\/strong\u003e, each with a dedicated LED to indicate activity. With every clock pulse, a new combination of outputs may be activated, offering a highly usable and visual tool for creative modulation routing.\u003c\/p\u003e\n\u003cp data-start=\"993\" data-end=\"1097\"\u003ePlease note: The A-149-2 requires the \u003cstrong data-start=\"1031\" data-end=\"1042\"\u003eA-149-1\u003c\/strong\u003e to function and cannot be used as a standalone module.\u003c\/p\u003e\n\u003cul data-start=\"1099\" data-end=\"1322\"\u003e\n\u003cli data-start=\"1099\" data-end=\"1131\"\u003e\n\u003cp data-start=\"1101\" data-end=\"1131\"\u003eExpansion module for A-149-1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1132\" data-end=\"1161\"\u003e\n\u003cp data-start=\"1134\" data-end=\"1161\"\u003eEight random gate outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1162\" data-end=\"1197\"\u003e\n\u003cp data-start=\"1164\" data-end=\"1197\"\u003eClock-dependent gate generation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1198\" data-end=\"1242\"\u003e\n\u003cp data-start=\"1200\" data-end=\"1242\"\u003eLEDs for each output to monitor activity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1243\" data-end=\"1294\"\u003e\n\u003cp data-start=\"1245\" data-end=\"1294\"\u003eGreat for random rhythms and generative patches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1295\" data-end=\"1322\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1322\"\u003eRequires A-149-1 module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doepfer","offers":[{"title":"Default","offer_id":52778015686988,"sku":null,"price":59.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/120141_doepfer_a1492_digital_random_voltages_1201411_1920x1920_2ce747cf-5ff7-4690-aa00-11155e228ea1.webp?v=1762278247"},{"product_id":"doepfer-a-149-4-quad-random-voltage-source","title":"Doepfer - A-149-4 Quad Digital Random Voltages (Slim Line)","description":"\u003cp data-start=\"236\" data-end=\"679\"\u003eThe Doepfer A-149-4 is a \u003cstrong data-start=\"288\" data-end=\"321\"\u003equad random voltage generator\u003c\/strong\u003e with built-in quantization, perfectly suited for both polyphonic and complex monophonic applications. Each of the four channels can be triggered independently or simultaneously, allowing for intricate \u003cstrong data-start=\"523\" data-end=\"559\"\u003erhythmic variation across voices\u003c\/strong\u003e. All four outputs share a global quantization setting, enabling the creation of musically coherent but random melodies.\u003c\/p\u003e\n\u003cp data-start=\"681\" data-end=\"884\"\u003eDesigned with Doepfer's \u003cstrong data-start=\"705\" data-end=\"729\"\u003epolyphonic ecosystem\u003c\/strong\u003e in mind (A-111-4, A-105-4, A-132-8, etc.), the A-149-4 is equally useful for anyone looking to inject \u003cstrong data-start=\"832\" data-end=\"857\"\u003estructured randomness\u003c\/strong\u003e into their modular system.\u003c\/p\u003e\n\u003cp data-start=\"886\" data-end=\"915\"\u003eQuantization options include:\u003c\/p\u003e\n\u003cul data-start=\"916\" data-end=\"1128\"\u003e\n\u003cli data-start=\"916\" data-end=\"955\"\u003e\n\u003cp data-start=\"918\" data-end=\"955\"\u003e\u003cstrong data-start=\"918\" data-end=\"934\"\u003eOctave Range\u003c\/strong\u003e via dedicated knob\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"956\" data-end=\"1042\"\u003e\n\u003cp data-start=\"958\" data-end=\"1042\"\u003e\u003cstrong data-start=\"958\" data-end=\"973\"\u003ePitch modes\u003c\/strong\u003e (Octaves, Octaves + Fifths, Chords, Scales, Semitones, Continuous)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1045\" data-end=\"1078\"\u003e\u003cstrong data-start=\"1045\" data-end=\"1060\"\u003eMinor\/Major\u003c\/strong\u003e scale selection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1128\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1128\"\u003eOptional \u003cstrong data-start=\"1090\" data-end=\"1110\"\u003eSixth or Seventh\u003c\/strong\u003e chord extension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1130\" data-end=\"1209\"\u003eThis compact, slim-line module packs serious creative power into just a few HP.\u003c\/p\u003e\n\u003cul data-start=\"1211\" data-end=\"1476\"\u003e\n\u003cli data-start=\"1211\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1213\" data-end=\"1249\"\u003eFour independent\/random CV outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1250\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1252\" data-end=\"1291\"\u003eGlobal quantizer with six pitch modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1294\" data-end=\"1340\"\u003eMinor\/Major and Sixth\/Seventh toggle options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1341\" data-end=\"1379\"\u003e\n\u003cp data-start=\"1343\" data-end=\"1379\"\u003ePolyphonic and rhythmic randomness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1380\" data-end=\"1431\"\u003e\n\u003cp data-start=\"1382\" data-end=\"1431\"\u003eIdeal for generative music or evolving melodies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1432\" data-end=\"1476\"\u003e\n\u003cp data-start=\"1434\" data-end=\"1476\"\u003eSlim Line format for efficient space use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doepfer","offers":[{"title":"Default","offer_id":52778015719756,"sku":null,"price":165.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/210450_doepfer_a1494_quad_digital_random_voltages_slim_line_2104501_1920x1920_515bc4d7-3fb1-4ce3-a12b-b525b360d768.webp?v=1762278259"},{"product_id":"verbos-electronics-random-sampling","title":"Verbos Electronics Random Sampling","description":"\u003cp data-start=\"369\" data-end=\"830\"\u003e\u003cstrong data-start=\"369\" data-end=\"388\"\u003eRandom Sampling\u003c\/strong\u003e from \u003cstrong data-start=\"394\" data-end=\"416\"\u003eVerbos Electronics\u003c\/strong\u003e is a powerful and deeply flexible multi-function random voltage generator and noise source. More than just a random module, it combines fluctuating CV, quantized randomness, analog shift registers, and rich analog noise into one tightly packed creative tool. Whether you're patching generative melodies, percussion timbres, or exploring the outer edges of chaos, Random Sampling is a goldmine for experimentation.\u003c\/p\u003e\n\u003cp data-start=\"832\" data-end=\"1164\"\u003eThe module features \u003cstrong data-start=\"852\" data-end=\"909\"\u003etwo independent fluctuating random voltage generators\u003c\/strong\u003e, producing continuously changing CVs with variable rate—reaching audio rates for use as \u003cstrong data-start=\"998\" data-end=\"1025\"\u003etuned noise oscillators\u003c\/strong\u003e. Each of these sections also includes a totally independent \u003cstrong data-start=\"1086\" data-end=\"1108\"\u003erandom gate output\u003c\/strong\u003e, ideal for rhythmic randomness and unclocked surprises.\u003c\/p\u003e\n\u003cp data-start=\"1166\" data-end=\"1528\"\u003eIn the \u003cstrong data-start=\"1173\" data-end=\"1193\"\u003eQuantized Random\u003c\/strong\u003e section, a 6-bit digital system produces stepped random voltages, with variable quantization controlled manually or via CV. Two outputs offer different scaling options: \u003cstrong data-start=\"1363\" data-end=\"1369\"\u003e2ⁿ\u003c\/strong\u003e and \u003cstrong data-start=\"1374\" data-end=\"1381\"\u003en+1\u003c\/strong\u003e, allowing for anything from a handful to dozens of discreet stepped voltages—perfect for random melody creation or CV modulation with constraints.\u003c\/p\u003e\n\u003cp data-start=\"1530\" data-end=\"1889\"\u003eAt the heart of the module is the rarely seen \u003cstrong data-start=\"1576\" data-end=\"1607\"\u003eAnalog Shift Register (ASR)\u003c\/strong\u003e, a multi-stage cascaded \u003cstrong data-start=\"1632\" data-end=\"1649\"\u003esample \u0026amp; hold\u003c\/strong\u003e circuit. At each trigger, voltages are passed from one stage to the next, making it perfect for canonic pitch sequences or evolving signal paths. Each stage of the ASR can be \u003cstrong data-start=\"1825\" data-end=\"1839\"\u003ebroken out\u003c\/strong\u003e and used independently for individual S\u0026amp;H duties.\u003c\/p\u003e\n\u003cp data-start=\"1891\" data-end=\"2132\"\u003eTo complete the package, Random Sampling includes a \u003cstrong data-start=\"1943\" data-end=\"1975\"\u003etrio of analog noise sources\u003c\/strong\u003e—\u003cstrong data-start=\"1976\" data-end=\"1985\"\u003ewhite\u003c\/strong\u003e, \u003cstrong data-start=\"1987\" data-end=\"1995\"\u003epink\u003c\/strong\u003e, and a TR-808-inspired \u003cstrong data-start=\"2019\" data-end=\"2037\"\u003emetallic noise\u003c\/strong\u003e—great for percussive textures, layering, or feeding into filters and VCAs for dynamic shaping.\u003c\/p\u003e\n\u003cp data-start=\"2134\" data-end=\"2321\"\u003eIf you tried to replicate this module’s features using multiple smaller modules, you’d need more than double the space—and you’d still miss the elegance of this all-in-one random toolkit.\u003c\/p\u003e\n\u003cul data-start=\"2323\" data-end=\"2771\"\u003e\n\u003cli data-start=\"2323\" data-end=\"2391\"\u003e\n\u003cp data-start=\"2325\" data-end=\"2391\"\u003eDual fluctuating random CV generators with audio-rate capability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2392\" data-end=\"2439\"\u003e\n\u003cp data-start=\"2394\" data-end=\"2439\"\u003eIndependent random gate outputs per section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2440\" data-end=\"2502\"\u003e\n\u003cp data-start=\"2442\" data-end=\"2502\"\u003eCV-controllable quantized random section with dual outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2503\" data-end=\"2572\"\u003e\n\u003cp data-start=\"2505\" data-end=\"2572\"\u003eAnalog Shift Register with cascade and breakout S\u0026amp;H functionality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2573\" data-end=\"2616\"\u003e\n\u003cp data-start=\"2575\" data-end=\"2616\"\u003eWhite, pink, and metallic noise outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2617\" data-end=\"2695\"\u003e\n\u003cp data-start=\"2619\" data-end=\"2695\"\u003eIdeal for generative patching, percussion shaping, and evolving modulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2696\" data-end=\"2739\"\u003e\n\u003cp data-start=\"2698\" data-end=\"2739\"\u003eA complete random toolkit in just 18 HP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2740\" data-end=\"2771\"\u003e\n\u003cp data-start=\"2742\" data-end=\"2771\"\u003eAvailable in-store for demo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Verbos Electronics","offers":[{"title":"Default","offer_id":52778021454156,"sku":null,"price":619.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/160052_verbos_electronics_random_sampling_1600521_1920x1920_44a8184e-aced-48f5-be7a-42692e1d8e95.webp?v=1762279015"},{"product_id":"doepfer-a-149-3-fluctuating-random-voltages","title":"Doepfer A-149-3 Fluctuating Random Voltages","description":"\u003cp data-start=\"473\" data-end=\"827\"\u003eThe Doepfer A-149-3 is a deep, modular reimagining of Buchla’s classic \"Fluctuating Random Voltages\" concept from the Source of Uncertainty. Going beyond imitation, this module offers four internally linked but independently usable sections: filtered noise, a noisy triangle LFO, sample \u0026amp; hold, and a vactrol-based slew limiter.\u003c\/p\u003e\n\u003cp data-start=\"829\" data-end=\"1308\"\u003eThree distinct digital noise flavours—Blue (+3dB), Red\/Brown (–3dB), and Pink (Flat)—feed the Noisy Triangle generator, which combines an adjustable LFO with noise to produce lively, fluctuating voltages. This in turn is normalled into the sample \u0026amp; hold circuit, which includes a built-in clock with LED indicator and smoothing feedback (labelled Correlation). The final stage is a CV-controllable slew limiter with manual and modulated control over rise\/fall time via a vactrol.\u003c\/p\u003e\n\u003cp data-start=\"1310\" data-end=\"1508\"\u003eWhether you use the sections together to generate complex random voltages, or patch each one independently, the A-149-3 delivers a flexible and musical approach to West Coast-style unpredictability.\u003c\/p\u003e\n\u003cp data-start=\"1510\" data-end=\"1526\"\u003e\u003cstrong data-start=\"1510\" data-end=\"1526\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1528\" data-end=\"2212\"\u003e\n\u003cli data-start=\"1528\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1530\" data-end=\"1584\"\u003eInspired by Buchla’s Source of Uncertainty (265\/266)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1664\"\u003e\n\u003cp data-start=\"1587\" data-end=\"1664\"\u003eThree digital noise outputs: Blue (+3dB), Red\/Brown (–3dB), and Pink (Flat)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1665\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1667\" data-end=\"1723\"\u003eInternal triangle LFO with frequency and range control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1783\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1783\"\u003eNoisiness control blends LFO with selected noise source\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1784\" data-end=\"1836\"\u003e\n\u003cp data-start=\"1786\" data-end=\"1836\"\u003eNoisy Triangle output for modulated fluctuations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1837\" data-end=\"1894\"\u003e\n\u003cp data-start=\"1839\" data-end=\"1894\"\u003eSample \u0026amp; Hold circuit with internal or external clock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1895\" data-end=\"1946\"\u003e\n\u003cp data-start=\"1897\" data-end=\"1946\"\u003eClock LED indicator and adjustable clock period\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1947\" data-end=\"1999\"\u003e\n\u003cp data-start=\"1949\" data-end=\"1999\"\u003eCorrelation control adds smoothing to S\u0026amp;H output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2000\" data-end=\"2059\"\u003e\n\u003cp data-start=\"2002\" data-end=\"2059\"\u003eVactrol-based slew limiter with CV input and attenuator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2060\" data-end=\"2117\"\u003e\n\u003cp data-start=\"2062\" data-end=\"2117\"\u003eManual Slew time control and normalled signal routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2118\" data-end=\"2180\"\u003e\n\u003cp data-start=\"2120\" data-end=\"2180\"\u003eLED indicators for all key outputs and modulation activity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2181\" data-end=\"2212\"\u003e\n\u003cp data-start=\"2183\" data-end=\"2212\"\u003eAvailable in-store for demo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53126026854732,"sku":null,"price":230.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/251194_251194_1_1920x1920_4a0158af-8882-4a8a-8b76-27a1d7adcfe5.webp?v=1762279456"},{"product_id":"befaco-random8","title":"Befaco RANDOM8","description":"\u003cp data-path-to-node=\"5\"\u003eRANDOM8 is designed to solve the two biggest challenges in modular synthesis: making a patch \"breathe\" with organic movement and generating non-boring melodic content. At its core, it is an 8-channel random voltage generator triggered by an external clock or gate. However, it transcends simple randomness through a clever per-channel looping and evolution system. By interacting with the channel buttons, you can capture a random sequence, let it slowly \"mutate\" over time to introduce new notes or values, and eventually lock it into a fixed loop.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eWhether you need a \"system animator\" to add tiny, per-step variations to your filters and VCAs or a multi-voice melodic brain to drive a whole rack of oscillators, RANDOM8 adapts to your needs. It features a built-in \u003cb data-path-to-node=\"6\" data-index-in-node=\"217\"\u003e16-scale pitch quantizer\u003c\/b\u003e, ensuring your random discoveries stay musically relevant. With additional per-channel controls for probability, clock division, slew, and offset, you can transform chaotic noise into structured, evolving performances without ever touching a complex menu.\u003c\/p\u003e","brand":"Befaco","offers":[{"title":"Default Title","offer_id":57538483028300,"sku":null,"price":239.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3055\/0604\/files\/260627_1_314x1000_79170923-700c-4c14-81b3-3a0beb5907f8.jpg?v=1778742957"}],"url":"https:\/\/www.schneiderskeller.co.uk\/collections\/eurorack-s-h-random-modulation.oembed","provider":"SchneidersKeller","version":"1.0","type":"link"}