reverse engineering the IR3109 - Page 3 - MOD WIGGLER
Original Roland IR3109 IC Analog VCF Filter Chip for Jupiter 8 / Juno 6 / Juno 60 / SH-101 Synth | Reverb
Roland IR3109 IC for Juno 6/60 Jupiter 4/6/8 SH-101 Shruthi-1 | #291244225
Michigan Synth Works - MSW-810 DIY Kit is now in stock. Also have a very limited number of IR3109 VCF chips available in the vintage parts sections https://michigansynthworks.com/products/msw-810-monosynth-kit | Facebook
roland_filter_versions
Spheremusic - Bargain or auction detail
IR3109 VCF clean | J B | Flickr
All about the IR3109 chip @ AMSynths
IR3109 Sharp | Price Comparison and Datasheets | Octopart
IR3109 new imported original|Replacement Parts & Accessories| - AliExpress
reverse engineering the IR3109 - MOD WIGGLER
A to Synth: Roland resistor nets for the IR3109
Index of /diy/Schematics/Filters Wahs and VCFs
80017a / ir3109 exponential converter · sinneb
ROLAND IR3109 | Reverb
reverse engineering the IR3109 - Page 4 - MOD WIGGLER
roland_filter_versions
Stream Shruthi Roland IR3109 by twobkniddlers | Listen online for free on SoundCloud