# Doepfer A-121s Stereo Multimode Filter

drillable.com › eurorack › makers › doepfer-de › a-121s.
As of the capture of 9 Sep 2026; the index built 17 Sep 2026, 23:23 UTC · [cites, never asserts](/standing).
Source: https://doepfer.de/a121s.htm · quotes only, no licence recorded.
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## Records read from it (7)

0 of 2 figures in the text, amounts and percentages, have a record.

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

### [a 121s](/eurorack/makers/doepfer-de/a-121s) (3 records)

- **depth** = 45 mm · as [a 121s · a 121s](/eurorack/makers/doepfer-de/a-121s) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=15504&end=15617) · [sha256:93fa321b7b761958…](/hashes/sha256:93fa321b7b7619582a2a13c6d5cc1aefb16fbc272cd05a0224395d379044421d)
- **current-draw-negative** = 100 mA · as [a 121s · a 121s](/eurorack/makers/doepfer-de/a-121s) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=15619&end=15671) · [sha256:2946f7cca1ba9583…](/hashes/sha256:2946f7cca1ba9583bb52d615215b80cc4825a83cf789246c15b88f20f46c6fe1)
- **current-draw-positive** = 100 mA · as [a 121s · a 121s](/eurorack/makers/doepfer-de/a-121s) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=15619&end=15671) · [sha256:5665329aa2ea1f9a…](/hashes/sha256:5665329aa2ea1f9a02f3fbba50959e7b7659063b617e4ee0c334124597e5a157)

### [attenuator controls](/eurorack/makers/doepfer-de/a-121s/attenuator-controls) (1 record)

- **neutral-position** = fully CCW · as [a 121s · attenuator controls](/eurorack/makers/doepfer-de/a-121s/attenuator-controls) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=13295&end=13435) · [sha256:6233bfde75217f9c…](/hashes/sha256:6233bfde75217f9cf48fea502e9c12b12f4ce1baeeca37b51ba11a13a158c3cb)

### [jack in2](/eurorack/makers/doepfer-de/a-121s/jack-in2) (1 record)

- **normalled-to** = In1 · as [a 121s · jack in2](/eurorack/makers/doepfer-de/a-121s/jack-in2) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=11455&end=11504) · [sha256:89512c5fdc032ec3…](/hashes/sha256:89512c5fdc032ec3795a8c7cedbdd3df962d82355583f40220937585c02f7757)

### [polarizer controls](/eurorack/makers/doepfer-de/a-121s/polarizer-controls) (1 record)

- **neutral-position** = center position · as [a 121s · polarizer controls](/eurorack/makers/doepfer-de/a-121s/polarizer-controls) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=12756&end=12879) · [sha256:4409ca9f6ee7bdd9…](/hashes/sha256:4409ca9f6ee7bdd95b830c0f01d330d715427c19a8a99d7bd6cf92e42a44bf72)

### [switch link to 1](/eurorack/makers/doepfer-de/a-121s/switch-link-to-1) (1 record)

- **function** = Type 1 also controls type of filter 2 · as [a 121s · switch link to 1](/eurorack/makers/doepfer-de/a-121s/switch-link-to-1) · [quote](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567?trace&start=10134&end=10261) · [sha256:26543a6b3c0180e2…](/hashes/sha256:26543a6b3c0180e23b64700e4ff1c3b76f8c2040be57945ba424be9f17e2a8cb)

## Captures (1)

- 9 Sep 2026, 00:05 UTC · https://doepfer.de/a121s.htm · quotes only (no licence recorded) · 0 revisits · [text](/hashes/sha256:b1a3a0d4c99dfe32e00405ad2ac83624818b51962f557e18167578e1af3bc567) (drillable-html-text/1, 15844 bytes) · capture [sha256:b46933c67da0a550…](/hashes/sha256:b46933c67da0a550c2983de7d43207fd5c5e143f4d3c1bb6bd2ea6a401725ea2)

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