# Instruō øchd expander

drillable.com › eurorack › makers › instruomodular-com › ochd-expander.
As of the capture of 9 Sep 2026; the index built 17 Sep 2026, 21:11 UTC · [cites, never asserts](/standing).
Source: https://www.instruomodular.com/wp-content/uploads/2023/10/ochd-expander-Manual-web.pdf and https://www.instruomodular.com/product/ochd-expander/ · quotes only, no licence recorded.
Search `/eurorack/makers/instruomodular-com/ochd-expander?q=…` · MCP https://mcp.drillable.com · [html](/eurorack/makers/instruomodular-com/ochd-expander?format=html) · [markdown](/eurorack/makers/instruomodular-com/ochd-expander?format=md) · [json](/eurorack/makers/instruomodular-com/ochd-expander?format=json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt)

## Records read from it (41)

By drillable.com ([llm-extract/3](/standing#methods)); scored precision 1.00, recall 0.36 on the harness's last sample of 50; drillable.com ([llm-extract/1](/standing#methods)); scored precision 1.00, recall 0.41 on the harness's last sample of 44.

### [øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) (36 records)

- **function** = adds 16 outputs and 4 new sets of functionality to øchd's normal operation · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=594&end=694) · [sha256:57f19db9e90d2a94…](/hashes/sha256:57f19db9e90d2a947d8f99acb0c603d237eb97295310ed6d08040ffe1fb1bcc6)
- **control** = controlled by øchd's single frequency control and CV attenuverter · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1000&end=1087) · [sha256:1a9264908b30b573…](/hashes/sha256:1a9264908b30b573b4e23c45624c6c82e8e22619ca78a25f626f3c78faa18a04)
- **features** = 16 additional outputs for øchd · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1191&end=1222) · [sha256:45745c061d6ad999…](/hashes/sha256:45745c061d6ad99919b7a312bcc7439b1db10780cfb7ac95ce3988e4b640fd2a) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:c147da75b6f616f977be14c18faa92111891ad07af248433a83e86b45525ad25)
- **features** = 4x full wave rectified unipolar positive LFOs · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1227&end=1272) · [sha256:4f2b2652a2c80664…](/hashes/sha256:4f2b2652a2c80664f59886c755fcd205dc3bb4d16ba4f0136bafb1d3ba5881df) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:53291a5fb71821b2282d560a49ab0383aa40667e881f3b5dca07224714f2da12)
- **features** = 2x Analog diode logic pairs (AND/Min and OR/Max) · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1277&end=1325) · [sha256:84d5471dfc673b90…](/hashes/sha256:84d5471dfc673b90d84ae34503fe1f244662202f0f92988c909ffef4e5ac8a00) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:238440de3bfdba14562d800c4c15b53f5baebf161e121414c3b07d0d8be9a740)
- **features** = 4x Cascading stochastic trigger signals · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1330&end=1369) · [sha256:1f8b8b9909714cbc…](/hashes/sha256:1f8b8b9909714cbc59a052462b6e9b2403e0b3ac3de692c7b8090157db620063) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:d4e2954435d593888ede1497e0aceaa7ebdb3f78a6f085126c1f8dd0cc27a6d5)
- **features** = 4x R-2R 4-bit logic random voltage sources (slow noise) · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=1374&end=1429) · [sha256:9b49019de5eac6bd…](/hashes/sha256:9b49019de5eac6bd02c682c55cf729b7c0ec6c0add2ece102ab3d4e1501457f6) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:2245c20fdfccbc9081c3d9648726452d60260c0d03c2767dfaa593cc08427011)
- **power-protection** = reverse polarity protection · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2363&end=2407) · [sha256:2c30947a43c0f7b0…](/hashes/sha256:2c30947a43c0f7b0dbeaad819be5951199e025d640b34416f78296a5107ea6f1)
- **note** = Inverted installation of the power cable will not damage the module. · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2409&end=2477) · [sha256:d20d4acea606a997…](/hashes/sha256:d20d4acea606a997df8ef5987f8ef27b63f9c5459b1d7c3d54cb0a75aad4ca0d)
- **depth** = 32 mm · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2513&end=2524) · [sha256:0c5d99cf7fa5b441…](/hashes/sha256:0c5d99cf7fa5b441d04951dd96b67b4f699c66ef8a874467a48281aca617b067) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:820a21a9797515bdd55fd8629d6b7d853a72da296836e838d068a889f1794396)
- **current-draw-positive-12v** = 5 mA · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2529&end=2538) · [sha256:12169852ec66a55d…](/hashes/sha256:12169852ec66a55d5ee4420d46da506ea29f97d51503b917350412c974fbd1e9) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:a586706bafe5a71eb757a1ede04d5237bc9fa80e2366a040a4de24529a5a2747)
- **current-draw-negative-12v** = 5 mA · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2543&end=2552) · [sha256:44faa96979486b1d…](/hashes/sha256:44faa96979486b1d359c9c0d8ae9d3aac6a1e1582ca5d3c0648810a173d16e68) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:53f938e07fa03c09a6a7c523eff300ef647e85389d78abe5c18d12eddaef6d99)
- **formula** = 8+4^2 = more modulation · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=2589&end=2646) · [sha256:09fa9203f25abd55…](/hashes/sha256:09fa9203f25abd55c5b5bd1b9ceb875415c88efbc903d65f9d26b38bf30376b0) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:522a2981cea011a65acf877a875aa57739b91c068425a9320037eaa31b2c75e3)
- **function** = Full wave rectified versions of all odd-numbered LFOs are generated at the first set of 4 outputs. · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=3287&end=3386) · [sha256:caea09120bb4baab…](/hashes/sha256:caea09120bb4baab96e533affb9b7be81000a8b38f7c0e66d8044639bf39df17)
- **function** = The maximum and minimum voltages of two separate LFO pairs produce bipolar signals at the second set of 4 outputs. · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=4194&end=4309) · [sha256:d728796b8b45cca8…](/hashes/sha256:d728796b8b45cca83d3c585f2884d439305d5ca5f8a07c9ae93e5c1e87489d36)
- **duration** = 8 ms · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=4925&end=5014) · [sha256:a684a1b169a02e55…](/hashes/sha256:a684a1b169a02e55804ec6487a1d149e4f9b53e7543870b754e52f7115d3b705)
- **normalling** = Clockwise cascading normalisation through the outputs results in a layering of trigger signals if the previous output is left unpatched. · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=5065&end=5203) · [sha256:afb5115a490c12de…](/hashes/sha256:afb5115a490c12de7e8475b82325725d26b239faea495a7c63d361b54f18c365)
- **compliance** = EN55032, EN55103-2, EN61000-3-2, EN61000-3-3, EN62311 · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=7172&end=7290) · [sha256:66f0226d08dcf96b…](/hashes/sha256:66f0226d08dcf96bf6603d7d1f423d6843256f0c1ff3e58bc41bbc26ca2e1b66)
- **author** = Collin Russell · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=7291&end=7320) · [sha256:2739291b6c7ba401…](/hashes/sha256:2739291b6c7ba40118db7a7ccef7a324726495af6b23a518fdd04c38109e05c2)
- **description** = an expansion module for one of Eurorack’s most beloved modulation sources, øchd · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=233&end=316) · [sha256:cc67aa4b9a7182fe…](/hashes/sha256:cc67aa4b9a7182fee3a5aaf46e8fec456539eace68544c4f7add299b3c820b1e)
- **function** = adds 16 outputs and 4 new sets of functionality to øchd’s normal operation [superseded] · by [a reading of another capture](/hashes/sha256:57f19db9e90d2a947d8f99acb0c603d237eb97295310ed6d08040ffe1fb1bcc6) · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=538&end=652) · [sha256:710f73ef18a588bf…](/hashes/sha256:710f73ef18a588bf216d24263b5b7cb9b8701efe1a22b98b83e99e50cdb1dc70)
- **features** = full wave rectified unipolar positive LFOs, analog diode logic for minimum and maximum voltage mixing, cascaded stochastic trigger signals, R-2R 4-bit random voltage sources [superseded] · by [a reading of another capture](/hashes/sha256:1f8b8b9909714cbc59a052462b6e9b2403e0b3ac3de692c7b8090157db620063) · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=694&end=965) · [sha256:4602a7bc39e4a3b8…](/hashes/sha256:4602a7bc39e4a3b8eb4acd0fad006185f8d2b6759e11e1dc7202213d8b4b50f7)
- **control** = controlled by øchd’s single frequency control and CV attenuverter [superseded] · by [a reading of another capture](/hashes/sha256:1a9264908b30b573b4e23c45624c6c82e8e22619ca78a25f626f3c78faa18a04) · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=970&end=1056) · [sha256:e0680462050a7d8a…](/hashes/sha256:e0680462050a7d8a169641a9a702cec14759232f2fb39df306a40fb761bc0237)
- **count** = 24 modulation sources · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=1095&end=1146) · [sha256:0fe7d0111b4c307b…](/hashes/sha256:0fe7d0111b4c307b03a854ac32b9258ed9c811b2d230fa67a912a45e6c332a17)
- **size** = 4HP · per https://drillable.com · as [ochd expander · øchd expander](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=1333&end=1336) · [sha256:87b500b9c9e71251…](/hashes/sha256:87b500b9c9e712511f9aa50050d8a49a63df23756cab08f24c2fcc1344739faa)
- **full wave rectifier lfo1 · voltage-range** = 0V-5V · per https://drillable.com · as [øchd expander · full wave rectifier lfo1](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander/full-wave-rectifier-lfo1) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=3745&end=3765) · [sha256:0a41f38f747b0d05…](/hashes/sha256:0a41f38f747b0d0515c75dcf0dcb073d114cd6fd144c1540316e33ff74bb53f6)
- **diode logic lfo2 3 or · voltage-range** = +/- 5V · per https://drillable.com · as [øchd expander · diode logic lfo2 3 or](/eurorack/makers/instruomodular-com/ochd-expander/øchd-expander/diode-logic-lfo2-3-or) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=4432&end=4453) · [sha256:3fdd85c1be5bc853…](/hashes/sha256:3fdd85c1be5bc85319125307d2af7e558fc5ae1450442fcc38bd041e60773dd6)

### [øchd](/eurorack/makers/instruomodular-com/ochd-expander/øchd) (3 records)

- **release-date** = 2019 · per https://drillable.com · as [ochd expander · øchd](/eurorack/makers/instruomodular-com/ochd-expander/øchd) · [quote](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719?trace&start=371&end=447) · [sha256:8be38d0bc65e5f60…](/hashes/sha256:8be38d0bc65e5f606513e4687575bf7a86de2768701c27985585a59aa431da31) · same value when read [10 Sep 2026, 12:50 UTC](/hashes/sha256:faa4be58bce2a9105fcc9c4977fd1bda246d1d69f0fd221c53eb67b57c2849bf)
- **development-team** = Ben "DivKid" Wilson · per https://drillable.com · as [ochd expander · øchd](/eurorack/makers/instruomodular-com/ochd-expander/øchd) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=339&end=393) · [sha256:65794b7709621eee…](/hashes/sha256:65794b7709621eee14a844fedf7763e50b5192742ee4e89c731fc05b04f885d2)

### [instruō limited](/eurorack/makers/instruomodular-com/ochd-expander/instruō-limited) (2 records)

- **address** = Glasgow, Scotland · per https://drillable.com · as [ochd expander · instruō limited](/eurorack/makers/instruomodular-com/ochd-expander/instruō-limited) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=1645&end=1680) · [sha256:2997ac37748853cb…](/hashes/sha256:2997ac37748853cb00bd7c84a3fcf4059dc5a7a0d892593bb52ec2045951459f)
- **date** = 2019 · per https://drillable.com · as [ochd expander · instruō limited](/eurorack/makers/instruomodular-com/ochd-expander/instruō-limited) · [quote](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494?trace&start=1727&end=1760) · [sha256:d45d599b620b6b75…](/hashes/sha256:d45d599b620b6b75486e9c69349c544055c74ae31f4fa8af22c58b4a74cb0201)

## Captures (2)

- 9 Sep 2026, 00:14 UTC · https://www.instruomodular.com/wp-content/uploads/2023/10/ochd-expander-Manual-web.pdf · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:cddadd2c7891d3ae083679c1c482219d8edb9f915d6b91af2e513c7efd761719) (pdfium/7881, 7355 bytes) · capture [sha256:6a0b19a8691cc0a4…](/hashes/sha256:6a0b19a8691cc0a407bc3fbb82b4e52670c983d7068f503f08238f2f9b8472dc)
- 9 Sep 2026, 00:14 UTC · https://www.instruomodular.com/product/ochd-expander/ · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:fdb75319660c4e8fadd6785f1f40f61c5786197592aed8d98ab4b2b4690d9494) (drillable-html-text/1, 3552 bytes) · capture [sha256:66b106f2b13481ec…](/hashes/sha256:66b106f2b13481ecd479e5ff3ddc0c61d67db43e8b74428e7aaedad0dee08fff)

A capture is what the source served at that moment; a later change at the source is a new capture, never an edit to this one.

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