# ALM Busy Circuits Pip Filter

drillable.com › eurorack › makers › busycircuits-com › pip-filter.
As of the capture of 9 Sep 2026; the index built 17 Sep 2026, 19:00 UTC · [cites, never asserts](/standing).
Source: https://assets.busycircuits.com/docs/alm039-manual.pdf and https://busycircuits.com/products/alm039 · quotes only, no licence recorded.
Search `/eurorack/makers/busycircuits-com/pip-filter?q=…` · MCP https://mcp.drillable.com · [html](/eurorack/makers/busycircuits-com/pip-filter?format=html) · [markdown](/eurorack/makers/busycircuits-com/pip-filter?format=md) · [json](/eurorack/makers/busycircuits-com/pip-filter?format=json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt)

## Records read from it (42)

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

### alm039 (22 records)

- **vca · voltage-range** = 0-5V · as [vca cv input](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fvca-cv-input) · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=636&end=716) · [sha256:051e8d42df1366f3…](/hashes/sha256:051e8d42df1366f30691008075d17986735c2f0366681b56c6b291cc1af2ee0f)
- **vca · behavior** = Stays fully open when unpatched · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=669&end=715) · [sha256:78dd6a7975d161e6…](/hashes/sha256:78dd6a7975d161e69e2e120c3bc1258887a1c33b4795f74322976a2a6b3a576d)
- **vca · input-voltage-range** = 0-5V · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=669&end=715) · [sha256:9174b501af4dbe6b…](/hashes/sha256:9174b501af4dbe6bca6ada0941cbfafb140ce7edf264e3b253fb1e18430c300d)
- **pip filter · website** = https://busycircuits.com/alm039 · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2152&end=2183) · [sha256:c312e6d37f096c09…](/hashes/sha256:c312e6d37f096c09fd97987604500048587fdfce97bbe222659293733a0a5134)
- **pip filter · current-draw-positive-12v** = 25 mA · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2209&end=2237) · [sha256:9a249a2b5df53dd0…](/hashes/sha256:9a249a2b5df53dd0cea52ca95e9626415fc7494471b31f06d38234f6a3ac711a) · same value when read [9 Sep 2026, 15:10 UTC](/hashes/sha256:1fc0d59d854d2066bd7d6990c259c64969643c9732ab953583cd37aaca3fead8) as pip filter · pip filter
- **pip filter · current-draw-negative-12v** = 25 mA · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2209&end=2237) · [sha256:b6bd4dea2cf4bc69…](/hashes/sha256:b6bd4dea2cf4bc69fb8228d5c5aac8774f47bf0e9d85f717222ea2927b859601) · same value when read [9 Sep 2026, 15:10 UTC](/hashes/sha256:a0ed9cecae15078e7a770b5a80112736728b4a3ee604b02b7630e1d491488a63) as pip filter · pip filter
- **pip filter · supply (as power)** = +12V 25ma / -12V 25ma · as [pip filter · pip filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter) · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=2210&end=2238) · [sha256:042cdc3c35a8c358…](/hashes/sha256:042cdc3c35a8c358dd97096814ad0c0c3de9b1d530989d5f7b69dff034b65a0b)
- **pip filter · size** = 4HP · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2238&end=2247) · [sha256:5975678d2858c9d6…](/hashes/sha256:5975678d2858c9d66f69df0cf7b0b8e6d0d30df7413ac73561cb88569313e672)
- **pip filter · depth** = 32 mm · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2248&end=2268) · [sha256:d6b8cd9524ed60fe…](/hashes/sha256:d6b8cd9524ed60fe9ee59a9e72fcfbffc4f65a63c950e9aee0207d6e08006816)
- **pip filter · product-code** = ALM039 · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2269&end=2288) · [sha256:8b1f5d4591f1efe5…](/hashes/sha256:8b1f5d4591f1efe5be0617b48d6ad2df9f9e4d9eaa407e36bf7ee2452e7e5fad)
- **pip filter · product-code (as model-number)** = ALM039 · as [pip filter · pip filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter) · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=2270&end=2289) · [sha256:2257b3907ba402c6…](/hashes/sha256:2257b3907ba402c6d217b6cdf04c5a30244f727beb01168fa94394c608c98771)
- **pip filter · email** = help@busycircuits.com · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=2975&end=3032) · [sha256:4f0d1904eea275fc…](/hashes/sha256:4f0d1904eea275fcb651337f4ac10bf67a7f6b4a970abc9227c80831733b037b)
- **pip filter · website** = http://busycircuits.com · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=3104&end=3161) · [sha256:9218d66530cc3df1…](/hashes/sha256:9218d66530cc3df1d97c5a968f6752dc118d23ba69e873b8ec3b6bb3f3f4b272)
- **pip filter · current-version** = 0.1 · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=3934&end=3960) · [sha256:570a5dddadd2abc8…](/hashes/sha256:570a5dddadd2abc878d7e2854950005cb3b3f05d428cf2a35efd0489e6c871de)
- **pip filter · manual-version** = 0.1 · as [pip filter · pip filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter) · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=3935&end=3961) · [sha256:6582f7318037cc3c…](/hashes/sha256:6582f7318037cc3c547751fde46383fa5375775e8ff2c70f847180042b9fe856)
- **pip filter · amount (as price)** = £110 GBP · as [pip filter · pip filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter) · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=1312&end=1347) · [sha256:a04b4f38ace3b921…](/hashes/sha256:a04b4f38ace3b921240ed0588b0fc5b07085121de6bc9fe69d3572a8b72c4af2)
- **pip filter · period (as warranty)** = 2 Year Warranty · as [pip filter · pip filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter) · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2197&end=2212) · [sha256:6e56c92deb42343b…](/hashes/sha256:6e56c92deb42343bb84de0183d81249a2eab83f35a788baf4e1e7bfdc2765258)
- **pip filter · cutoff · control** = knob control and dual CV inputs with a built in attenuverter · as [pip filter · cutoff](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter%2Fcutoff) · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=1612&end=1710) · [sha256:180c2027326234a2…](/hashes/sha256:180c2027326234a24c498375756b29f5d96a6ac5612472ebd9e6aca1c1e957b9)
- **pip filter · resonance · behavior (as behaviour)** = manually controlled and will reach into self oscillation with rough V/Oct tracking · as [pip filter · resonance](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter%2Fresonance) · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=1711&end=1807) · [sha256:930f471b1c31f3e2…](/hashes/sha256:930f471b1c31f3e2399eb0e91716602576448754469f7f8ec4e4fdfb836a3529)
- **pip filter · trigger input · function** = allows the filter to be pinged for percussive plucked type sounds · as [pip filter · trigger input](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-filter%2Ftrigger-input) · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=1808&end=1890) · [sha256:149a667287f510cb…](/hashes/sha256:149a667287f510cbda4c5dca6b57bfb34a0160fe074159eeb89cc0e0340c6502)

### [freq input 2](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Ffreq-input-2) (3 records)

- **voltage-range** = 0-8V · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=201&end=295) · [sha256:32b89598a4a122a0…](/hashes/sha256:32b89598a4a122a07a55d3d523520a71e37b08ea9ee4ceec26ed4c489a164aca)
- **tracking** = 1 volt per octave (very roughly) · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=201&end=295) · [sha256:69eff986a933c05c…](/hashes/sha256:69eff986a933c05cf94765b53c75adb26b58a36ef0ee99d2967991c8795d4112)
- **input-voltage-range** = 0-8V · as [alm039 · freq input 2](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Falm039%2Ffreq-input-2) · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=201&end=295) · [sha256:a31439c4aaaa5c45…](/hashes/sha256:a31439c4aaaa5c4529246492d86c525ac62dff1f9f1214da2984d94afd67d3ed)

### [mcfx2](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fmcfx2) (3 records)

- **description (as subtitle)** = Dual State Variable Filter · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2555&end=2589) · [sha256:885aa4110a314015…](/hashes/sha256:885aa4110a3140157dded93c7a4f97b8a69d89284643e99813edfde4886be448)
- **amount (as price)** = £220 GBP · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2563&end=2614) · [sha256:8591c516332f07ff…](/hashes/sha256:8591c516332f07ffe0bc385687212a48f3a2e42c2f8f3de1366111dca12e502e)
- **product-code (as model-code)** = ALM030 · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2651&end=2675) · [sha256:357c3b323baaeb7e…](/hashes/sha256:357c3b323baaeb7ede4d0b8d366dfa1985aca6543db02486ab76f418e6c06615)

### [mum m8](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fmum-m8) (3 records)

- **description (as subtitle)** = Low Pass Filter · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2685&end=2709) · [sha256:422fbadac56ee296…](/hashes/sha256:422fbadac56ee2968c6bd128a6d748f5b6eccd730aab2d87e2ace7a4dc06ff6c)
- **amount (as price)** = £190 GBP · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2694&end=2734) · [sha256:cd7d88f5e11f5acc…](/hashes/sha256:cd7d88f5e11f5acc35785a4f4b3e6667c9bc6282a7afd9baf57b8e6ece4d6bc7)
- **product-code (as model-code)** = ALM018 · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2771&end=2795) · [sha256:186d8b0c01b256fc…](/hashes/sha256:186d8b0c01b256fcf1c4b6cac44a5e1ff035db782f53560d20bd27f25ae8beb5)

### [alm modules](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Falm-modules) (2 records)

- **features (as feature)** = reverse power protection · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=3883&end=3933) · [sha256:6f89c12ddc62ab86…](/hashes/sha256:6f89c12ddc62ab86d665972ed47afb2d2995ebfe7cb8d9b7ea463389d33ad123)
- **power-connector (as protection)** = reverse power protection · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=3884&end=3934) · [sha256:2f7657daa4f8f973…](/hashes/sha256:2f7657daa4f8f973a8e873bc002628aa77aebc8e105215cf8778f3569dbbc651)

### [freq input 1](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Ffreq-input-1) (2 records)

- **voltage-range** = 0-5V · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=95&end=200) · [sha256:f24e4c130a992693…](/hashes/sha256:f24e4c130a9926934e9e95031d30d9940b0f2ca3649d500419c64d34b9abd0dd)
- **input-voltage-range** = 0-5V · as [alm039 · freq input 1](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Falm039%2Ffreq-input-1) · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=95&end=200) · [sha256:2848f2a92b4512be…](/hashes/sha256:2848f2a92b4512be01dc5dac2787ff6d5c7b10531cd2681aec42a7a27e8e76a8)

### [pip lfo](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-lfo) (2 records)

- **description (as subtitle)** = Compact Analogue LFO & VCO · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2287&end=2323) · [sha256:92238ba47595e8ad…](/hashes/sha256:92238ba47595e8ad0b402e15292dddc8355afe45f08a09781a3a32c653a00b5d)
- **product-code (as model-code)** = ALM048 · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2385&end=2409) · [sha256:93fcb49fb08e3cf1…](/hashes/sha256:93fcb49fb08e3cf11fe1eb6fbf32ea8978f7803af4d81d1dbbceb769b809f630)

### [pip slope](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fpip-slope) (2 records)

- **description (as subtitle)** = Compact Envelope Generator · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2422&end=2460) · [sha256:6bea116e1251e9ad…](/hashes/sha256:6bea116e1251e9ad18c18e4a45a389f8fa88e79c48950a6853062795d3bd6fa5)
- **product-code (as model-code)** = ALM028 · [quote](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8?trace&start=2522&end=2546) · [sha256:fa7b0a211ed3acde…](/hashes/sha256:fa7b0a211ed3acde65855cc6ab5a0eb870fbebf27b44d0c0bd9a23923c61476c)

### [filter](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Ffilter) (1 record)

- **slope** = 12 dB/octave · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=1376&end=1459) · [sha256:aed6142d3651acf5…](/hashes/sha256:aed6142d3651acf56c52d67c5479482f98a5ace3b9023349b9799b3fac190cea)

### pip filter (1 record)

- **resonance · definition** = the amount of boost applied to the signal in the frequency range just around the cutoff frequency · as [alm039 · resonance](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Falm039%2Fresonance) · [quote](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8?trace&start=810&end=939) · [sha256:c5d248e290cc7e9e…](/hashes/sha256:c5d248e290cc7e9ea71f2b1ed0695238a280c7c35698728336a4ab4e112d7c63)

### [warranty](/?subject=https%3A%2F%2Fdrillable.com%2Fe%2Fbusycircuits-com%2Fpip-filter%2Fwarranty) (1 record)

- **period** = 2 years from date of manufacture · [quote](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d?trace&start=2307&end=2435) · [sha256:2305d250547c37f1…](/hashes/sha256:2305d250547c37f1eb300a7689ee8e82400a4120b18f381cc779bd64d42a5591)

## Captures (2)

- 9 Sep 2026, 00:04 UTC · https://assets.busycircuits.com/docs/alm039-manual.pdf · quotes only (no licence recorded) · 0 revisits · [older text](/hashes/sha256:cd342ae2e8abaca46b84d4a587668e7abb4b9772f85b641170f422d0010b6b1d) (pdfium/7881, 3963 bytes), [text](/hashes/sha256:e359aa7192352215573453f5a4cf2e5304ebf3a32b22665b2ebdecb36e4a92f8) (pdfium/7881, 3962 bytes) · capture [sha256:c8af0a88adf9a4d3…](/hashes/sha256:c8af0a88adf9a4d38c76ee507f1a13bfd087b0cccfce793ddac65f728070f3bb)
- 9 Sep 2026, 00:04 UTC · https://busycircuits.com/products/alm039 · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:cb2b9d1935394bb34546a70af108cdd45ddef38c1fa025b0210d87ef8ea45cf8) (drillable-html-text/1, 3142 bytes) · capture [sha256:3c551ee2814f6d92…](/hashes/sha256:3c551ee2814f6d92bb4d9e1fedbdf099a81f3c5db3e60a884762f037b07060f3)

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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