DIY Eurorack Builds

Bad Idea #18214

Passive 8 channel 3.5mm to 1/4 inch converter with switchable attenuators ยท Moffenzeef Modular

MakerMoffenzeef Modular
TypePassive 8 channel 3.5mm to 1/4 inch converter with switchable attenuators
MountingMixed
Width14 HP
LicenseProprietary (CC BY-NC, noncommercial so not an open licence)
Difficulty ๐Ÿ”ฅ SMD (0805)
Bad Idea #18214 module
Photo: Moffenzeef Modular

Gets eight channels of Eurorack out to quarter inch. Jumpers on the back switch each passive attenuator in or out, so it also works as a plain bidirectional cable converter. The published BOM calls out 0603 chip resistors plus through-hole jacks and headers.

Documentation

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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