# GRP Synthesizer P12 Envelope Follower

drillable.com › eurorack › makers › grpsynthesizer-it › envelope-follower.
As of the capture of 9 Sep 2026; the index built 18 Sep 2026, 23:02 UTC · [cites, never asserts](/standing).
Source: https://www.grpsynthesizer.it/images/prodotti/EurorackGrp/download/Grp-Synthesizer-P12-Env-Foll.pdf and https://www.grpsynthesizer.it/index.php/en/products/eurorack-grp-en/eurorack-grp-envelope-follower-en.html · quotes only, no licence recorded.
Search `/eurorack/makers/grpsynthesizer-it/envelope-follower?q=…` · MCP https://mcp.drillable.com · [html](/eurorack/makers/grpsynthesizer-it/envelope-follower?format=html) · [markdown](/eurorack/makers/grpsynthesizer-it/envelope-follower?format=md) · [json](/eurorack/makers/grpsynthesizer-it/envelope-follower?format=json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt)

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## Records read from it (30)

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.

### [envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) (26 records)

- **name** = Grp Synthesizer P12 – ENV FOLL · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=142&end=174) · [sha256:efa051320d8763c5…](/hashes/sha256:efa051320d8763c5603314ebf269be8ab91b7e670633c85dd337262a749104ba)
- **product-code** = P12 · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=142&end=174) · [sha256:fac5b644c3571e2c…](/hashes/sha256:fac5b644c3571e2cefaef43a3176c492f7a67f2bbd6b9b6cc49a36947c00612d)
- **features** = CV and Gate extraction from audio signal with Line/Mic selectable level · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=175&end=246) · [sha256:03d6be10b248835e…](/hashes/sha256:03d6be10b248835ed8266ea065d244dcfc9ff89baaf648219080fa17c0496a7c)
- **features** = pre-amped audio signal output · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=247&end=287) · [sha256:3e85f18ce180b131…](/hashes/sha256:3e85f18ce180b131cf7370ecfb89e2c7cf9231f67eb7a8b97b725e48fe51bf56)
- **width** = 6 hp [superseded] · by [a reading of a later capture](/hashes/sha256:2f180c27ffaa1f9cd73442dda02c0c7f899c98a56fd2d80306fe589bef0fc9d0) · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=288&end=305) · [sha256:20a83db1e006fb75…](/hashes/sha256:20a83db1e006fb750d0a64c830dc038ae108539bf16c06006f628acac3edf6aa)
- **controls** = INPUT: level for signal connected at port INPUT · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=349&end=396) · [sha256:6a6a438ac97dea97…](/hashes/sha256:6a6a438ac97dea97477a3912f933db2c1a0cc729b90328a36aec745c8ae9f749)
- **controls** = OVER LED: lights when audio level overloads · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=476&end=519) · [sha256:427464f2ae3b1bd3…](/hashes/sha256:427464f2ae3b1bd3581d1cf4b3ab2a22986f9e87f16a29d0b801a35acd7a2837)
- **controls** = THRESH: threshold level for generating gate · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=520&end=563) · [sha256:a04281a08a898b9b…](/hashes/sha256:a04281a08a898b9b4616c449fac876c6b252493856350a17bc1e4d0525d60630)
- **controls** = ENV OUT: attenuverter for CV at ENV OUT port · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=564&end=608) · [sha256:ee5f0e4611d44f7b…](/hashes/sha256:ee5f0e4611d44f7b8a613b46a698c3b4b3ff906a436c7fb8a307e951576c31fd)
- **controls** = LINE/MIC: selection of input level · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=609&end=643) · [sha256:af05d311e862ff29…](/hashes/sha256:af05d311e862ff296afdf39180a19be65d0e9c4a0ee7398f06abfa1f69bbc12b)
- **connector** = INPUT: audio signal input · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=656&end=681) · [sha256:f5d459ca39ee1d40…](/hashes/sha256:f5d459ca39ee1d406cd6ebba78bd803274a90923af592f91ce061d8c1b27bc5d)
- **connector** = PRE OUT: audio signal out after INPUT level control · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=682&end=733) · [sha256:b45b69e734ffdb61…](/hashes/sha256:b45b69e734ffdb6106b5b9ea26e5438a75986ad5f0f8e95d209cd13b558f317f)
- **connector** = GATE OUT: gate tension output · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=734&end=763) · [sha256:baf9514701e2a059…](/hashes/sha256:baf9514701e2a059870efc2033de358080d8093355d732b6ac3b9dd892adda4c)
- **connector** = ENV OUT: output for envelope follower output · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=764&end=808) · [sha256:40b94577370ce05d…](/hashes/sha256:40b94577370ce05dd662018e1f2778842afe68175642bd5bb3f200b6c3336f32)
- **feature** = CV and Gate extraction from audio signal with Line/Mic selectable level · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=969&end=1040) · [sha256:f2a85ed778020691…](/hashes/sha256:f2a85ed778020691f15957009a5c1801967095ccba3fec1082fa318701961209)
- **description** = There is a pre-amped audio signal output · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1042&end=1082) · [sha256:b53d4e4a7074c238…](/hashes/sha256:b53d4e4a7074c23829cf0d806e440c8ce9a0dba59f8062a8d454ffcdd85a5705)
- **width** = 6 HP · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1084&end=1101) · [sha256:2f180c27ffaa1f9c…](/hashes/sha256:2f180c27ffaa1f9cd73442dda02c0c7f899c98a56fd2d80306fe589bef0fc9d0)
- **current-draw-positive-12v** = 18 mA · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1103&end=1114) · [sha256:08a056090abb0398…](/hashes/sha256:08a056090abb0398e59a5f2e30d7af5f3e11c43914098393c7204bcd6cb8f8d8) · same value when read [10 Sep 2026, 12:36 UTC](/hashes/sha256:8e47b09953908fe89170d8447189430025177ce3148a304429a0520501583b8f) and [13 Sep 2026, 19:26 UTC](/hashes/sha256:2c1d0b905adc20adc1ee929f548cdd4580d1b94b966484204e0944226b63c7af)
- **current-draw-negative-12v** = 20 mA · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1116&end=1127) · [sha256:878044258133c3e8…](/hashes/sha256:878044258133c3e8eee2f365a8ff7a948d122ada8d073535dfca67134b576e90) · same value when read [10 Sep 2026, 12:36 UTC](/hashes/sha256:133d1515b6c550a24976ac815bc79e042fcd77fa30c6d598cab7c60b4b69aded) and [13 Sep 2026, 19:26 UTC](/hashes/sha256:a15ca541fcd7b91575ea30b4b14f55f88608cb06fbaf7cd82ac88eacdd3acf15)
- **current-draw-plus-5v** = 0 mA · per https://drillable.com · as [envelope follower · envelope follower](/eurorack/makers/grpsynthesizer-it/envelope-follower) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1129&end=1138) · [sha256:ef3a327f60e4bc58…](/hashes/sha256:ef3a327f60e4bc5856ac794c5e9d14a35d6519c85c565e26d5abb895644950dc) · same value when read [10 Sep 2026, 12:36 UTC](/hashes/sha256:5b3169189b7560114096f5f217452feb37df1c926d974adf4e4d573d438aba7b) and [13 Sep 2026, 19:26 UTC](/hashes/sha256:ffc48957f2aa9f8085149ba9e5fc4b0283d047dc1550a4a716582e9251d87c2b)

### [grp synthesizer](/eurorack/makers/grpsynthesizer-it/envelope-follower/grp-synthesizer) (4 records)

- **website** = http://www.grpsynthesizer.it/index.php/it/prodotti-it/eurorack-grp-it/eurorack-grp-envelope-follower-it.html · per https://drillable.com · as [envelope follower · grp synthesizer](/eurorack/makers/grpsynthesizer-it/envelope-follower/grp-synthesizer) · [quote](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a?trace&start=33&end=141) · [sha256:8836b048a960a8a5…](/hashes/sha256:8836b048a960a8a507b681609b86bd23f9226876dbf6f3b250efa1f78131f091)
- **address** = Via Formello, 17, Monte Porzio Catone 00078 Roma - Italy · per https://drillable.com · as [envelope follower · grp synthesizer](/eurorack/makers/grpsynthesizer-it/envelope-follower/grp-synthesizer) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1237&end=1294) · [sha256:3cd835d873894212…](/hashes/sha256:3cd835d8738942124394621c02b7f57b97c101438009bf048fb078b3ce540c77)
- **email** = info@grpsynthesizer.it · per https://drillable.com · as [envelope follower · grp synthesizer](/eurorack/makers/grpsynthesizer-it/envelope-follower/grp-synthesizer) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1296&end=1318) · [sha256:d72a13dedd6579a4…](/hashes/sha256:d72a13dedd6579a4ab10287c1c4aa07387238184fc129db340104c452a837a0f)
- **name** = Grp Synthesizer S.r.l · per https://drillable.com · as [envelope follower · grp synthesizer](/eurorack/makers/grpsynthesizer-it/envelope-follower/grp-synthesizer) · [quote](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66?trace&start=1406&end=1454) · [sha256:ab26577a18184d91…](/hashes/sha256:ab26577a18184d91133146c415f5555e0354ef37b3f64e6f7d5483fc4f789dde)

## Captures (2)

- 9 Sep 2026, 00:12 UTC · https://www.grpsynthesizer.it/images/prodotti/EurorackGrp/download/Grp-Synthesizer-P12-Env-Foll.pdf · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:6b6dadcaa998a35c73e57439f6dfe6461be0aa3a3ff62e1a3c787bc19c998c4a) (pdfium/7881, 911 bytes) · capture [sha256:24402808217e8abd…](/hashes/sha256:24402808217e8abddccd647d0127302e89dbc2f91351c078b98aded5584e7c6c)
- 9 Sep 2026, 00:12 UTC · https://www.grpsynthesizer.it/index.php/en/products/eurorack-grp-en/eurorack-grp-envelope-follower-en.html · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:1d4e990c45c0e052e8a148d4bdfc84ec2d349983d5490d592accce25adebac66) (drillable-html-text/1, 1456 bytes) · capture [sha256:54ce5d244d9037b5…](/hashes/sha256:54ce5d244d9037b52265218c782e2393c10f460f202b4e479ae288a6695aac1b)

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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