# Schlappi Engineering Angle Grinder drillable.com › eurorack › makers › schlappiengineering-com › angle-grinder. As of the capture of 9 Sep 2026; the index built 18 Sep 2026, 19:58 UTC · [cites, never asserts](/standing). Source: https://cdn.shopify.com/s/files/1/0549/4538/2479/files/angle_grinder_manual_20181022.pdf and https://schlappiengineering.com/products/angle-grinder · quotes only, no licence recorded. Search `/eurorack/makers/schlappiengineering-com/angle-grinder?q=…` · MCP https://mcp.drillable.com · [html](/eurorack/makers/schlappiengineering-com/angle-grinder?format=html) · [markdown](/eurorack/makers/schlappiengineering-com/angle-grinder?format=md) · [json](/eurorack/makers/schlappiengineering-com/angle-grinder?format=json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt) No in-force window is declared for the document. ## Records read from it (66) 0 of 4 figures in the text, amounts and percentages, have a record. By drillable.com ([llm-extract/3](/standing#methods)); scored precision 1.00, recall 0.36 on the harness's last sample of 50. ### [angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) (19 records) - **manufacturer** = Schlappi Engineering [superseded] · by [a reading of another capture](/hashes/sha256:f6f8edb9af28250fd960659ef29db08f65e87e2df08a8165e48cd05fd553bd9d) · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=31&end=51) · [sha256:f9fbfe1768dce729…](/hashes/sha256:f9fbfe1768dce7296fbe58ca5fa0d1ecc1fa12b2f265b3dfba96ce2704d5310b) - **type** = Quadrature Sine Wave VCO / State Variable Filter [superseded] · by [a reading of another capture](/hashes/sha256:dda20556cee0876bedd6a219bd1bc8fc50ac78a7e51828d010781c24e073d06f) · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=56&end=104) · [sha256:50c539fbff48bc4e…](/hashes/sha256:50c539fbff48bc4e7a06eefad6a90cb0fa2747f00d18c85b1adf1ce48a541a0e) - **features** = four phase related outputs: 0°, 90°, 180°, 270° [superseded] · by [a reading of another capture](/hashes/sha256:1064e918a96bd18cf165594d3e76b4cd02a8fb50caa1aafb8d028f7919d87a84) · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=106&end=163) · [sha256:97307864f9de7792…](/hashes/sha256:97307864f9de7792b70f431cc424a76057d6e20218b74d1628c0c6fd3ae86ebf) - **features** = filter response outputs: LOW PASS, BAND PASS, HIGH PASS, INVERTED BAND PASS [superseded] · by [a reading of another capture](/hashes/sha256:1064e918a96bd18cf165594d3e76b4cd02a8fb50caa1aafb8d028f7919d87a84) · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=165&end=244) · [sha256:5b5f132f09834205…](/hashes/sha256:5b5f132f098342055456ff6e4010124f0b6c30ca61310a431f88030f6537cfe7) - **width** = 18 hp · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=992&end=997) · [sha256:c16ede4371496d79…](/hashes/sha256:c16ede4371496d79fb684cc09d19bedfcf417e6e70f3fd139f35dafbf9b2189c) - **email** = eric@schlappiengineering.com · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1042&end=1109) · [sha256:bb52e0c191ce0a98…](/hashes/sha256:bb52e0c191ce0a98792dae482eb2f6b2261d36964b49e3690f32d38977202811) - **availability** = Sold Out · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=227&end=243) · [sha256:96e34b61aa8e3846…](/hashes/sha256:96e34b61aa8e3846c9807b068e8183e32436bb604217ab123653379d45bd9b31) - **type** = quadrature sine wave oscillator or filter and distortion effect · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=267&end=350) · [sha256:dda20556cee0876b…](/hashes/sha256:dda20556cee0876bedd6a219bd1bc8fc50ac78a7e51828d010781c24e073d06f) - **function** = depends on both the position of the knobs and the presence of an input signal · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=352&end=464) · [sha256:cc86d9822c8f5d22…](/hashes/sha256:cc86d9822c8f5d22ab45a15d3050d8c27eeae102838bbb6c1ccd09f9db1f14cb) - **features** = Quadrature Sine wave VCO with four phase related outputs: 0°, 90°, 180°, 270° · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=477&end=558) · [sha256:1064e918a96bd18c…](/hashes/sha256:1064e918a96bd18cf165594d3e76b4cd02a8fb50caa1aafb8d028f7919d87a84) - **tracking-range** = 4+ octaves · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=632&end=688) · [sha256:2b76f0d44317ceff…](/hashes/sha256:2b76f0d44317ceff83718806cb6c88f9bb31b622599e1048e9bc954e81edc153) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:a216363ffeb6a0cf6baab8d81c151e26ca4b826e1fb1888324126b7d84cf64bc) - **architecture** = All analog OTA based design · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1510&end=1537) · [sha256:f7b5a9e3e64cb3f1…](/hashes/sha256:f7b5a9e3e64cb3f11ef4f8642d973a116f66dbfbc7607ce6d5942bb4353b4d73) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:7c7ab71847a20612f5bb0e13da44b74b19d4160da0f1963d312fd23cbc4308cf) - **current-draw-negative-12v** = 78 mA · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1546&end=1586) · [sha256:45a6420828616591…](/hashes/sha256:45a64208286165910e742f6ff7662b4a2712536252e4260b0490d3fe476cc3fc) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:b4349d144415b1c3ecab8d3abb5ba1888e5d5c37f386cd06ee0b810fb9116b3e) - **current-draw-positive-12v** = 81 mA · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1546&end=1586) · [sha256:a4e4e2f1601b85b8…](/hashes/sha256:a4e4e2f1601b85b839b96fbf6cf6f76a09f6e3e06bac18529ceac69b5bc004d1) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:310b580c5fea77cac4f94775c62111b4c5842bd44f46100687590305fb5d652f) - **manufacturer** = schlappiengineering [inferred] · as [angle grinder · angle grinder](/eurorack/makers/schlappiengineering-com/angle-grinder) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1746&end=1785) · [sha256:f6f8edb9af28250f…](/hashes/sha256:f6f8edb9af28250fd960659ef29db08f65e87e2df08a8165e48cd05fd553bd9d) ### [grind](/eurorack/makers/schlappiengineering-com/angle-grinder/grind) (5 records) - **type** = pole mixing nonlinear feedback network · as [grind section](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-section) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=422&end=464) · [sha256:fdf9776e1801b0f8…](/hashes/sha256:fdf9776e1801b0f8fa3cb2f21e6355f4b29b356a780bead079e0855293efc7be) - **function** = compares each phase against input signal, then subtracts the result from the input signal [superseded] · by [a reading of another capture](/hashes/sha256:0e1d6310e5be997f146bb417cd3ae630bdc6bd915f782ff7e079042b26acef06) · as [grind section](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-section) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1308&end=1416) · [sha256:850b05128e479eb8…](/hashes/sha256:850b05128e479eb86245860cd14fbf74eb7f4ddf34fe3f007d17634d8bf5f164) - **architecture** = consists of four comparators, four vcas, and a mixer · as [angle grinder · grind](/eurorack/makers/schlappiengineering-com/angle-grinder/grind) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=3759&end=3825) · [sha256:e79ddbfb8bb152f8…](/hashes/sha256:e79ddbfb8bb152f8fa62803f94ec02dcf7eec1bf41cdf144e69f56dfcda9db5d) - **function** = square waves fed into VCAs, amplitude controlled by sum of GRIND CV INPUTS and GRIND SLIDERS [superseded] · by [a reading of another capture](/hashes/sha256:0e1d6310e5be997f146bb417cd3ae630bdc6bd915f782ff7e079042b26acef06) · as [angle grinder · grind](/eurorack/makers/schlappiengineering-com/angle-grinder/grind) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=3945&end=4075) · [sha256:1c13c2e0296a4831…](/hashes/sha256:1c13c2e0296a4831329429dff720193acb28f1de19b7fc32311fcf4c88f892cb) - **function** = provides voltage controlled harmonic content · as [angle grinder · grind](/eurorack/makers/schlappiengineering-com/angle-grinder/grind) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=749&end=821) · [sha256:0e1d6310e5be997f…](/hashes/sha256:0e1d6310e5be997f146bb417cd3ae630bdc6bd915f782ff7e079042b26acef06) ### [inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) (5 records) - **function** = Direct input to SPIN AC coupled on header for soft sync-like effect [superseded] · by [a reading of another capture](/hashes/sha256:5ecd224a3c02977250b4c2a14c68aa64c0e1c89e851132c712a381bf75521a00) · as [angle grinder · inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2227&end=2294) · [sha256:7734b2e5eca1596d…](/hashes/sha256:7734b2e5eca1596dcc3dccabd7e6e498c6173303cee0b6eff04f85945cc2ce9c) - **function** = bypasses the GRIND section as a direct input to the oscillator/filter core [superseded] · by [a reading of another capture](/hashes/sha256:5ecd224a3c02977250b4c2a14c68aa64c0e1c89e851132c712a381bf75521a00) · as [angle grinder · inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=7380&end=7471) · [sha256:5a64784fc62d3270…](/hashes/sha256:5a64784fc62d3270eb3e71bcf976bfb97f2d66678619fd3b3b9763ae595f586d) - **connector** = header selectable to be DC or AC coupled on the rear of the module · as [angle grinder · inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=7472&end=7545) · [sha256:51bc72fb85b3338a…](/hashes/sha256:51bc72fb85b3338abbe908172b4e0789a71e13106b3631247e32e3370d6de0d8) - **coupling** = AC is selected by default · as [angle grinder · inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=7546&end=7572) · [sha256:de66df64b440c19f…](/hashes/sha256:de66df64b440c19fcc96820544194d219205b7e983514612371ce48f9e6f98ca) - **function** = can be used as a second input for either audio or CV, bypassing GRIND · as [angle grinder · inject jack](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-jack) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1423&end=1508) · [sha256:5ecd224a3c029772…](/hashes/sha256:5ecd224a3c02977250b4c2a14c68aa64c0e1c89e851132c712a381bf75521a00) ### [spin outputs](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-outputs) (5 records) - **meaning** = LOW PASS, BAND PASS, HIGH PASS, and INV BAND PASS if filtering [superseded] · by [a reading of another capture](/hashes/sha256:d38e242d5b2fdda23bd4d04e4f9cf0aa8ebf924d5d63e110fa73d4145e8bb34a) · as [angle grinder · spin outputs](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-outputs) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1906&end=1968) · [sha256:3299c0391d3d4a06…](/hashes/sha256:3299c0391d3d4a06c4d5e19f87f7c0feaeeb828fd1037085a0e9c54418d86962) - **note** = these all come from the same oscillator and will be at the same frequency · as [angle grinder · spin outputs](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-outputs) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=4478&end=4552) · [sha256:87dbc147bad11b58…](/hashes/sha256:87dbc147bad11b587a383045d6babad4e1ab449dd61110fe749c8d579449ddce) - **purpose** = at LFO rate you could use them for quad panning by sending one audio signal to four VCAs and control each vca with one phase · as [angle grinder · spin outputs](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-outputs) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=4694&end=4819) · [sha256:e645f4a9ba9c7423…](/hashes/sha256:e645f4a9ba9c74235f8952f9016f67690765455d2d1e3b06534ca8f8a8fb3333) - **meaning** = The outputs will become LOW PASS, BAND PASS, HIGH PASS, and INV BAND PASS [superseded] · by [a reading of another capture](/hashes/sha256:d38e242d5b2fdda23bd4d04e4f9cf0aa8ebf924d5d63e110fa73d4145e8bb34a) · as [filter mode](/eurorack/makers/schlappiengineering-com/angle-grinder/filter-mode) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=7046&end=7121) · [sha256:063a0f09398e8284…](/hashes/sha256:063a0f09398e8284cf97b7994f5bde527f6fe25a152fd7820435227781bbf76d) - **meaning** = LOW PASS, BAND PASS, HIGH PASS, and INVERTED BAND PASS · as [angle grinder · spin outputs](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-outputs) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1146&end=1251) · [sha256:d38e242d5b2fdda2…](/hashes/sha256:d38e242d5b2fdda23bd4d04e4f9cf0aa8ebf924d5d63e110fa73d4145e8bb34a) ### [fm1](/eurorack/makers/schlappiengineering-com/angle-grinder/fm1) (4 records) - **function** = selectable linear or exponential FM via jumper on back [superseded] · by [a reading of another capture](/hashes/sha256:6520f55975ae7ed5a865075f414f87381bc16c9d69a28f3130fcc2f4b7189e7a) · as [angle grinder · fm1](/eurorack/makers/schlappiengineering-com/angle-grinder/fm1) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=597&end=658) · [sha256:1caea85e3ce6a3a8…](/hashes/sha256:1caea85e3ce6a3a86941de905936759b9a91a721a70d3672078064943ef66a02) - **function** = CV attenuator switchable betwean linear and exp by header on rear [superseded] · by [a reading of another capture](/hashes/sha256:6520f55975ae7ed5a865075f414f87381bc16c9d69a28f3130fcc2f4b7189e7a) · as [angle grinder · fm1](/eurorack/makers/schlappiengineering-com/angle-grinder/fm1) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2096&end=2161) · [sha256:a2f2fc587a440a1a…](/hashes/sha256:a2f2fc587a440a1a8119d0af5ba5f2092fe32fc98dd39b1c879030669042d56a) - **normalling** = normalled to GRIND OUT for easy noise making · as [angle grinder · fm1](/eurorack/makers/schlappiengineering-com/angle-grinder/fm1) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2392&end=2533) · [sha256:ab68e74fd434442e…](/hashes/sha256:ab68e74fd434442ec7942a2b8c14eaddd58aa31f8cdedc923e68a5a2b35bd773) - **function** = linearFM · as [angle grinder · fm1](/eurorack/makers/schlappiengineering-com/angle-grinder/fm1) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=690&end=705) · [sha256:6520f55975ae7ed5…](/hashes/sha256:6520f55975ae7ed5a865075f414f87381bc16c9d69a28f3130fcc2f4b7189e7a) ### [damping knob](/eurorack/makers/schlappiengineering-com/angle-grinder/damping-knob) (3 records) - **function** = Counteracts oscillations [superseded] · by [a reading of another capture](/hashes/sha256:1227e72b934960a98bbb412aaf99f36eee2a73ec56f4d5f9bc77b2ce2d0b8d70) · as [angle grinder · damping knob](/eurorack/makers/schlappiengineering-com/angle-grinder/damping-knob) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2066&end=2090) · [sha256:ad98d4f7f45b7205…](/hashes/sha256:ad98d4f7f45b7205ca41d7e6c1c9d217e04a5dd628aa469980add8ddb8bfecf8) - **function** = cancels the positive feedback with a negative feedback path and stops it from oscillating [superseded] · by [a reading of another capture](/hashes/sha256:1227e72b934960a98bbb412aaf99f36eee2a73ec56f4d5f9bc77b2ce2d0b8d70) · as [angle grinder · damping knob](/eurorack/makers/schlappiengineering-com/angle-grinder/damping-knob) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=3360&end=3492) · [sha256:257db2d101fdc4a1…](/hashes/sha256:257db2d101fdc4a114ac5af4780a1a6102704033a88b7154b4a11ffd891990e5) - **function** = counteracts the oscillation and allows an external signal through · as [angle grinder · damping knob](/eurorack/makers/schlappiengineering-com/angle-grinder/damping-knob) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=1071&end=1144) · [sha256:1227e72b934960a9…](/hashes/sha256:1227e72b934960a98bbb412aaf99f36eee2a73ec56f4d5f9bc77b2ce2d0b8d70) ### [fm2](/eurorack/makers/schlappiengineering-com/angle-grinder/fm2) (3 records) - **function** = Exponential CV control over SPIN [superseded] · by [a reading of another capture](/hashes/sha256:a821d6f1fcf8f1f5348db426abf950ed5a39f6ec398c755bf72acb95a8abd2ea) · as [angle grinder · fm2](/eurorack/makers/schlappiengineering-com/angle-grinder/fm2) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2344&end=2376) · [sha256:82dca33d74689019…](/hashes/sha256:82dca33d74689019328b7f87b6a9503da8b826e80eb91763be51c2de3822ced4) - **function** = additional exponential V/OCT jack · as [angle grinder · fm2](/eurorack/makers/schlappiengineering-com/angle-grinder/fm2) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=707&end=747) · [sha256:a821d6f1fcf8f1f5…](/hashes/sha256:a821d6f1fcf8f1f5348db426abf950ed5a39f6ec398c755bf72acb95a8abd2ea) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:547f19ce624e88c50747cec3f4f71a2ececc0f88956b4b47acb6ebb0feafc09d) ### [grind external](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-external) (2 records) - **behavior** = if the internal oscillator is at audio rate various metallic overtones can be created [superseded] · by [a reading of another capture](/hashes/sha256:5ed7cebe22ae0c8926b5ec804ed326ea9ecc162a4d22f87e2f77f6f9a0aefa28) · as [angle grinder · grind external](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-external) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=6756&end=6843) · [sha256:93b789f56e01b537…](/hashes/sha256:93b789f56e01b537123b2d909f1b0134c10820ea6680cf411d03f5f81b203bea) - **behavior** = compares each phase against GRIND IN signal · as [angle grinder · grind external](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-external) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=823&end=891) · [sha256:5ed7cebe22ae0c89…](/hashes/sha256:5ed7cebe22ae0c8926b5ec804ed326ea9ecc162a4d22f87e2f77f6f9a0aefa28) ### [grind sliders](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-sliders) (2 records) - **function** = Mixes the amount of signal to grind from the associated SPIN output [superseded] · by [a reading of another capture](/hashes/sha256:7376b41fe4c37252a20c226bcc7fb0d0fb28b4414b24654999f72e4100a55eb4) · as [angle grinder · grind sliders](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-sliders) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1656&end=1723) · [sha256:7f3bf665f0922a8e…](/hashes/sha256:7f3bf665f0922a8e801b071e933cb0210b9a6f6a750e651b575b13aa378ce577) - **function** = subtracts the compared signal from the input signal, creating complex waveshapes · as [angle grinder · grind sliders](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-sliders) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=893&end=985) · [sha256:7376b41fe4c37252…](/hashes/sha256:7376b41fe4c37252a20c226bcc7fb0d0fb28b4414b24654999f72e4100a55eb4) ### [grind to spin](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-to-spin) (2 records) - **function** = Feeds the output of GRIND into SPIN (filter/osc) [superseded] · by [a reading of another capture](/hashes/sha256:4c6810b4dbd0d9132ac84372cff2dcaa5a35f849b7233d728221325194a1184e) · as [angle grinder · grind to spin](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-to-spin) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1983&end=2032) · [sha256:b771e2ccdda001dc…](/hashes/sha256:b771e2ccdda001dc689589d3eded21fe9dd7424a2a641e05cc4c835313311c98) - **function** = the outputs become a state variable filter · as [angle grinder · grind to spin](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-to-spin) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=987&end=1069) · [sha256:4c6810b4dbd0d913…](/hashes/sha256:4c6810b4dbd0d9132ac84372cff2dcaa5a35f849b7233d728221325194a1184e) ### [high range](/eurorack/makers/schlappiengineering-com/angle-grinder/high-range) (2 records) - **frequency-range** = 10Hz to over 20kHz · as [angle grinder · high range](/eurorack/makers/schlappiengineering-com/angle-grinder/high-range) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=560&end=594) · [sha256:7564ba83ccfc46fd…](/hashes/sha256:7564ba83ccfc46fdfb299271a3d6836161f3bac8aeca59eeffa0221de6bf2b1d) · same value when read [13 Sep 2026, 14:53 UTC](/hashes/sha256:b9dbc59ea536e7eb6b62afc5435f1a7ae6ebe962e88ba1d53adc1aec53d49e37) ### [low range](/eurorack/makers/schlappiengineering-com/angle-grinder/low-range) (2 records) - **frequency-range** = 0.3Hz to over 600Hz [superseded] · by [a reading of another capture](/hashes/sha256:11cdd121355c3a1925452e7cc1a166bcc56eaeac0cf88b12fe2436971734e9c1) · as [angle grinder · low range](/eurorack/makers/schlappiengineering-com/angle-grinder/low-range) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=286&end=320) · [sha256:b58598b87742411b…](/hashes/sha256:b58598b87742411b8df2b3aecf0469e0310e134b773f980a8640ca35304b35df) - **frequency-range** = 0.3Hz to over 500Hz · as [angle grinder · low range](/eurorack/makers/schlappiengineering-com/angle-grinder/low-range) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=596&end=630) · [sha256:11cdd121355c3a19…](/hashes/sha256:11cdd121355c3a1925452e7cc1a166bcc56eaeac0cf88b12fe2436971734e9c1) ### [spin](/eurorack/makers/schlappiengineering-com/angle-grinder/spin) (2 records) - **architecture** = very similar to a state variable filter except there is an always-on positive feedback path optimised for clean oscillation [superseded] · by [a reading of another capture](/hashes/sha256:ae8e42efd7efdd8ab89bd410afe4126cd48e8c009e2ac2e7d90641d8380ac94b) · as [angle grinder · spin](/eurorack/makers/schlappiengineering-com/angle-grinder/spin) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=3209&end=3359) · [sha256:420caf4b605790a5…](/hashes/sha256:420caf4b605790a5e7ce96602cb0e23f01d43c5132604cd36d2c0cbe41e39bc1) - **architecture** = state variable filter · as [angle grinder · spin](/eurorack/makers/schlappiengineering-com/angle-grinder/spin) · [quote](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2?trace&start=987&end=1069) · [sha256:ae8e42efd7efdd8a…](/hashes/sha256:ae8e42efd7efdd8ab89bd410afe4126cd48e8c009e2ac2e7d90641d8380ac94b) ### [90 degree output](/eurorack/makers/schlappiengineering-com/angle-grinder/90-degree-output) (1 record) - **normalling** = normalled through an ALL PASS (phase shift) filter to the GRIND IN · as [angle grinder · 90 degree output](/eurorack/makers/schlappiengineering-com/angle-grinder/90-degree-output) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=5336&end=5422) · [sha256:b208fe10992f0796…](/hashes/sha256:b208fe10992f0796ec7348f996472e6b9afdaf4cf29de499e31c296acb16c813) ### [fine knob](/eurorack/makers/schlappiengineering-com/angle-grinder/fine-knob) (1 record) - **function** = Fine tuning control · as [angle grinder · fine knob](/eurorack/makers/schlappiengineering-com/angle-grinder/fine-knob) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2038&end=2057) · [sha256:930f0adcba00d21a…](/hashes/sha256:930f0adcba00d21aabe5c8c05f2d87265cd424a763589cdff4602ec197c00f8d) ### [grind cv](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-cv) (1 record) - **function** = CV control added to associated GRIND SLIDER · as [angle grinder · grind cv](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-cv) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1780&end=1823) · [sha256:159288936305b6fc…](/hashes/sha256:159288936305b6fcb06bf530155778f487c80c0d986a937bf56435e865e4f13e) ### [grind in](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-in) (1 record) - **requirements** = you must turn up the GRIND IN to get any signal out of the GRIND section · as [angle grinder · grind in](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-in) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=5736&end=5810) · [sha256:69551fab523c1c88…](/hashes/sha256:69551fab523c1c88413cc14b7c42df6a8d60ec3dfcb5fcc344506f43999a0181) ### [grind out](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-out) (1 record) - **behavior** = as more sliders are brought up we converge on a pyramidal shape · as [angle grinder · grind out](/eurorack/makers/schlappiengineering-com/angle-grinder/grind-out) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=6209&end=6274) · [sha256:b120eaa4f6b27330…](/hashes/sha256:b120eaa4f6b27330d3478b1d289fd89bb5a18cfcf9239a8328f24ae51fd72f07) ### [in jack](/eurorack/makers/schlappiengineering-com/angle-grinder/in-jack) (1 record) - **function** = Insert audio or cv here · as [angle grinder · in jack](/eurorack/makers/schlappiengineering-com/angle-grinder/in-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1596&end=1619) · [sha256:595336b078ba9827…](/hashes/sha256:595336b078ba9827da60ad15300cf08c05f07b4e1eaa784fe87f5110c773b099) ### [inject dc mode](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-dc-mode) (1 record) - **behavior** = the input signal will add to any other signal present and can mix with or clip depending on amplitude · as [angle grinder · inject dc mode](/eurorack/makers/schlappiengineering-com/angle-grinder/inject-dc-mode) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=7967&end=8069) · [sha256:a3e03d4cea13b731…](/hashes/sha256:a3e03d4cea13b7318b465bf664dcb1c128bade1d6735c4403ecf1f854a3f579b) ### [out jack](/eurorack/makers/schlappiengineering-com/angle-grinder/out-jack) (1 record) - **function** = Output from GRIND · as [angle grinder · out jack](/eurorack/makers/schlappiengineering-com/angle-grinder/out-jack) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1624&end=1641) · [sha256:74e7fa7871b5433b…](/hashes/sha256:74e7fa7871b5433b6f315e0d9c5470d17367b9041e5546f9e10518398d69915b) ### [spin knob](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-knob) (1 record) - **function** = Coarse tuning control · as [angle grinder · spin knob](/eurorack/makers/schlappiengineering-com/angle-grinder/spin-knob) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=1749&end=1770) · [sha256:d148f63580ed4743…](/hashes/sha256:d148f63580ed4743a5c866123ee3de93e4df8aa6aa05a6dc3ae2fd5a3c29bd2e) ### [v oct](/eurorack/makers/schlappiengineering-com/angle-grinder/v-oct) (1 record) - **function** = Volts per octave cv control over SPIN · as [angle grinder · v oct](/eurorack/makers/schlappiengineering-com/angle-grinder/v-oct) · [quote](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe?trace&start=2301&end=2338) · [sha256:4af12f1cd1c42ce3…](/hashes/sha256:4af12f1cd1c42ce3b744cc1d6df5cfb59a449dfacdd4cbade9d424b485c0913b) ## Captures (2) - 9 Sep 2026, 00:09 UTC · https://cdn.shopify.com/s/files/1/0549/4538/2479/files/angle_grinder_manual_20181022.pdf · quotes only (no licence recorded) · 0 revisits · [older text](/hashes/sha256:374e4b0b466139c51bbaa0549f9c97d549f958cc775a9ce035f93d551b14fa69) (pdfium/7881, 8054 bytes), [text](/hashes/sha256:4a82f32e2cd9d71f2472f2e34488dd5aae278de86837e01add952c4bb76f6efe) (pdfium/7881, 8071 bytes) · capture [sha256:c0c5124adefe5144…](/hashes/sha256:c0c5124adefe51448a1b9775eee6bd8687eea9a11e8de7834c4ffff7d7d96b7d) - 9 Sep 2026, 00:09 UTC · https://schlappiengineering.com/products/angle-grinder · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:2cbdc1f6fb3dee31393ad7e409623df4f796d1dad2bd4a9c25733e347da747e2) (drillable-html-text/1, 1918 bytes) · capture [sha256:6e9a981dbc593d6e…](/hashes/sha256:6e9a981dbc593d6ea822949482c1353e33b4fbf350f55fbee57ab8a87f2ffbd7) 10 things the latest capture still names and no reading of it has read. 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. --- [standing](/standing) · Drillable™ is a trademark of Drillable LLC.