# 2hp LPF

drillable.com › eurorack › makers › twohp-com › lpf.
As of the capture of 9 Sep 2026; the index built 17 Sep 2026, 19:56 UTC · [cites, never asserts](/standing).
Source: https://static1.squarespace.com/static/573b5370b09f9524489340f2/t/591c8d2e6b8f5b73095823a7/1495043375142/LPF_Manual.pdf and https://www.twohp.com/modules/p/lpf · quotes only, no licence recorded.
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## Records read from it (40)

1 of 1 figure in the text, amounts and percentages, has 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.

### [lpf](/eurorack/makers/twohp-com/lpf) (25 records)

- **type** = four-pole, voltage controlled low-pass filter · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=19&end=74) · [sha256:fd06a85442eb60de…](/hashes/sha256:fd06a85442eb60de485ff709350ad8089ba9113b4532818baf268ec25c03c4cf) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:ed4f511f5cfd4ee882de4a212ccc65269cb020b1180e3c6fbdd8d71b07843931)
- **slope** = 24 dB per octave · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=75&end=156) · [sha256:1b53c30a07b6119b…](/hashes/sha256:1b53c30a07b6119b5ec0f2eb8f851949c5de07974d0c415276054b483186c760) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:bf89f57077d12ae5055ed7dd44c6847a80e4b5912d2b253896fa48f6c1eb6186)
- **topology** = OTA · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=75&end=156) · [sha256:d88f0ca1cee4de78…](/hashes/sha256:d88f0ca1cee4de78b4591101aa6e7e76e027883d16c61f0cce9700105eb63081)
- **features** = Analog, voltage controlled low pass filter · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=408&end=452) · [sha256:c539ccaee2a210e8…](/hashes/sha256:c539ccaee2a210e804756e9c13b8bb9f00a3e7fd331c7ee1905de27fbd06280e) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:ce9a01931d47bbaa62d8c4e12b3fd8928114abf2aacc4e55e0ca6f7ba48b5735)
- **features** = Classic four pole, OTA topology · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=453&end=486) · [sha256:dc945a7d9a57635d…](/hashes/sha256:dc945a7d9a57635dcbdef474fa4e517f78f5e66ce7d6c685d6209e7108e344b9) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:9ae808765d15558c429816c17e0374f06bd20dbd7b74f74fd0adae02d8fce2e7)
- **features** = CV over resonance · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=487&end=506) · [sha256:04357f23701b81e4…](/hashes/sha256:04357f23701b81e46424f85326331ea74a68729b0aa2fa2a3465b20d06eb0307) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:b738cf163529e6086fef2e3191346e71d4ddcab581e4fe4e5c8a06455edc93d7)
- **features** = Capable of self oscillation · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=507&end=536) · [sha256:bb38978d6710e406…](/hashes/sha256:bb38978d6710e406aef6ded9a5b1492666f91165f48f21e3b063f876a273717f) · same value when read [13 Sep 2026, 15:26 UTC](/hashes/sha256:7c20e3abe2b99f3fc73f27a1a8bcd6a19385c11ae15b7236651cfbaf1e622c86)
- **power-connector** = red band corresponds to negative 12 volts · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=837&end=973) · [sha256:c38092576f2f8496…](/hashes/sha256:c38092576f2f84966e89a0f8909d24c25de8d11b3ae11bac32aedcd8b48f4fd9)
- **format** = 2 HP Eurorack module · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1157&end=1185) · [sha256:af382ee4fadc3745…](/hashes/sha256:af382ee4fadc37457648ef225820c5ec2aa2558724be7171cb1b81dce868dd3d)
- **depth** = 47 mm [disagreement] · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1186&end=1214) · [sha256:e2c4ea63043aae53…](/hashes/sha256:e2c4ea63043aae5360d96230e1b8a155884cf6e10c48b7092e4de55b4480ab8f)
- **current-draw-positive-12v** = 20 mA · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1215&end=1239) · [sha256:5a0d5ed48ea6be84…](/hashes/sha256:5a0d5ed48ea6be84c870896a4ca7a20dfb9baa690cfbee308d2035cebae4f1d5)
- **current-draw-negative-12v** = 20 mA · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1240&end=1252) · [sha256:e83d442b96f7fa20…](/hashes/sha256:e83d442b96f7fa20a3de86dc4b095de7e9e784fa0087e1e8d91faaa045d78016)
- **amount (as price)** = $99.00 USD · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=339&end=345) · [sha256:79f55671750e76c2…](/hashes/sha256:79f55671750e76c23ddf93c9257d178dfeeadd966ab69d347f6cb825752d9401)
- **topology** = OTA topology [superseded] · by [a reading of another capture](/hashes/sha256:d88f0ca1cee4de78b4591101aa6e7e76e027883d16c61f0cce9700105eb63081) · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=403&end=483) · [sha256:fffec56c4c23ebc1…](/hashes/sha256:fffec56c4c23ebc1e2bbff0a8ca17f6723eb20dbe63cb3d33b52ced85ab70b5d)
- **tracking-range** = 4 octaves · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=566&end=610) · [sha256:2531ea56132d0539…](/hashes/sha256:2531ea56132d05396e9f68297bd51cf8ab79c78395a37d3a39147e7d76a54d50)
- **control** = CV over resonance · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=626&end=708) · [sha256:5db33f2fe52e9925…](/hashes/sha256:5db33f2fe52e9925013072d172f0b460be703d6b7cb671c9fe035203da372e85)
- **features** = Accurate 1V/oct tracking across four octaves [superseded] · by [a reading of another capture](/hashes/sha256:04357f23701b81e46424f85326331ea74a68729b0aa2fa2a3465b20d06eb0307) · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=859&end=903) · [sha256:1f8021a2c7eb3198…](/hashes/sha256:1f8021a2c7eb3198140842a222c28d2c21aed34be6a68f21cf34b237a1ebbd68)
- **depth** = 45 mm [disagreement] · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=905&end=916) · [sha256:f701ea4727704030…](/hashes/sha256:f701ea47277040305056f3305a907ac7296ae121b5ca55343780a0ab1641bb10)
- **manufacturing-location** = San Clemente, CA · as [lpf · lpf](/eurorack/makers/twohp-com/lpf) · [quote](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6?trace&start=1745&end=1780) · [sha256:ee6c37a6a1275b9b…](/hashes/sha256:ee6c37a6a1275b9b7062accd8b9788c6ad1cc452e35f5ea1499a3eccd070009f)

### [freq cv](/eurorack/makers/twohp-com/lpf/freq-cv) (4 records)

- **function** = Control voltage input for FREQ · as [lpf · freq cv](/eurorack/makers/twohp-com/lpf/freq-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1865&end=1907) · [sha256:01e2953ffc642cf5…](/hashes/sha256:01e2953ffc642cf5614506a4b38b7dc5ece460ff8b1f4e23758003e4090580a5)
- **behavior** = Control voltage is added to the knob position and scaled by the Atten knob · as [lpf · freq cv](/eurorack/makers/twohp-com/lpf/freq-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1908&end=1982) · [sha256:043260d4f6b94452…](/hashes/sha256:043260d4f6b94452aed5e765f58c7cbe97e149ae5b2a0de600c1b90e845ba7c7)
- **tracking-range** = four octaves · as [lpf · freq cv](/eurorack/makers/twohp-com/lpf/freq-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1983&end=2027) · [sha256:39a024902065e90e…](/hashes/sha256:39a024902065e90ee7c9bf98ae45b467ed093060acb18b73e05c68775aaad764)
- **range** = ±10 V · as [lpf · freq cv](/eurorack/makers/twohp-com/lpf/freq-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=2028&end=2040) · [sha256:78ebe8b2b50df2eb…](/hashes/sha256:78ebe8b2b50df2eb27b780a3e2503b615d437646870eb5ef263be2e425bccf3f)

### [res cv](/eurorack/makers/twohp-com/lpf/res-cv) (3 records)

- **behavior** = Control voltage is added to the knob position · as [lpf · res cv](/eurorack/makers/twohp-com/lpf/res-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1908&end=1953) · [sha256:f524ff1b5e325ffb…](/hashes/sha256:f524ff1b5e325ffb46acdeb147cd558073fa64a94b359fb473701e7a3dc4ce54)
- **function** = Control voltage input for RES · as [lpf · res cv](/eurorack/makers/twohp-com/lpf/res-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=2044&end=2084) · [sha256:55ac9db6fd5dd186…](/hashes/sha256:55ac9db6fd5dd1867aeeea9131fa575d039065db33ba10a75d7d75aebafa989c)
- **range** = ±5 V · as [lpf · res cv](/eurorack/makers/twohp-com/lpf/res-cv) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=2131&end=2142) · [sha256:abc1b991e6ac807e…](/hashes/sha256:abc1b991e6ac807e0a46e80500d7e9c476d3608be7167afda14fd56cac92cd86)

### [freq](/eurorack/makers/twohp-com/lpf/freq) (2 records)

- **function** = Sets the cutoff frequency of the filter · as [lpf · freq](/eurorack/makers/twohp-com/lpf/freq) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1329&end=1377) · [sha256:62f20063a10f4f30…](/hashes/sha256:62f20063a10f4f304416860b0e0fdd10ba6075bc5261ab48e78f12a0ff73b3b9)
- **definition** = Also known as the corner frequency, or -3dB down point · as [lpf · freq](/eurorack/makers/twohp-com/lpf/freq) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1378&end=1432) · [sha256:966ff8e5c14acf8b…](/hashes/sha256:966ff8e5c14acf8b79712f8e0fcfbf49f61c5e310afe01c3ad26904af653256c)

### [input](/eurorack/makers/twohp-com/lpf/input) (2 records)

- **function** = Audio input · as [lpf · input](/eurorack/makers/twohp-com/lpf/input) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1294&end=1315) · [sha256:b37e17ea6d32d3f2…](/hashes/sha256:b37e17ea6d32d3f2ab438f08907f7cc05dfdb19457178ee8090f94245dfbfff5)
- **range** = 10 Vpp · as [lpf · input](/eurorack/makers/twohp-com/lpf/input) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1316&end=1328) · [sha256:f0bb6d1ee9b07f8b…](/hashes/sha256:f0bb6d1ee9b07f8b206ae7c379340a3df87c80a2e3c908fed349202328d24b01)

### [output](/eurorack/makers/twohp-com/lpf/output) (2 records)

- **range** = 10 Vpp · as [lpf · output](/eurorack/makers/twohp-com/lpf/output) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1316&end=1328) · [sha256:d56a5e94d46e7312…](/hashes/sha256:d56a5e94d46e73124f00bc3bee9dceb34c61f897a9dd60f8605deb387071c4fd)
- **function** = Lowpass filter output · as [lpf · output](/eurorack/makers/twohp-com/lpf/output) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=2143&end=2175) · [sha256:94d8e4924ca095db…](/hashes/sha256:94d8e4924ca095db5640fabc0a52ab00d48862d74e9234bbb208019323322794)

### [atten](/eurorack/makers/twohp-com/lpf/atten) (1 record)

- **function** = Attenuverter that sets the attenuation and inversion of the signal present at FREQ CV input · as [lpf · atten](/eurorack/makers/twohp-com/lpf/atten) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1604&end=1706) · [sha256:18012ec52749648f…](/hashes/sha256:18012ec52749648f860be35da5f951b4649cf231deb16c925120e53abca9bbe8)

### [res](/eurorack/makers/twohp-com/lpf/res) (1 record)

- **behavior** = When fully right, the LPF will self-oscillate and output a very pure sine tone whose frequency is determined by FREQ · as [lpf · res](/eurorack/makers/twohp-com/lpf/res) · [quote](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e?trace&start=1486&end=1603) · [sha256:41560cbc5171db64…](/hashes/sha256:41560cbc5171db645a2c3008c5a253f784673e085a70c7226748972b0d77a369)

**Disagreement:** depth: 47 mm in https://static1.squarespace.com/static/573b5370b09f9524489340f2/t/591c8d2e6b8f5b73095823a7/1495043375142/LPF_Manual.pdf vs 45 mm in https://www.twohp.com/modules/p/lpf

## Captures (2)

- 9 Sep 2026, 00:15 UTC · https://static1.squarespace.com/static/573b5370b09f9524489340f2/t/591c8d2e6b8f5b73095823a7/1495043375142/LPF_Manual.pdf · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:72819f34b336533afc21fe3a9b1dced6a277bc7fd60ff9f8623dacb469d0096e) (pdfium/7881, 2190 bytes) · capture [sha256:68e7d2f73cccf3d3…](/hashes/sha256:68e7d2f73cccf3d374152952c46d9434e0854a8c67354783e76f337c1ba7febf)
- 9 Sep 2026, 00:15 UTC · https://www.twohp.com/modules/p/lpf · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:e6cfe0e1f6439287bb15ff52213bd4d5dfd54eed410e9c0f14bb176dae77fcf6) (drillable-html-text/1, 1800 bytes) · capture [sha256:990ba3591f530553…](/hashes/sha256:990ba3591f530553c19dad26129c26bed524a3c9f79cc28c080e9932a8ba8111)

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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