Roland Ir3109 - Used – Very Good Price$75. Roland used it to implement the voltage controlled filters on most of its 1980s-era We’ve recently started stocking Alfa’s clone of the famous old Roland IR3109 filter chip. This is a PULL, not NOS. The part for sale here is one Roland IR3109, a rare Roland Custom integrated circuit used in some Roland analog synths like: Juno-60, Jupiter 8 CONDITION : Used, has been tested and is in The part for sale here is one Roland IR3109, a rare Roland Custom integrated circuit used in some Roland analog synths like: Juno-60, Jupiter 8 CONDITION : Used, has been tested and is in Find many great new & used options and get the best deals for NEW Roland synthesizer VCF chip 15229801 IR3109 Jupiter 4 6 8 Juno 6 60 SH101 at the best online prices at eBay! Free This auction is for one Roland IR3109 Integrated Circuit. So, I would imagine Roland went through the trouble to keep Famous ROLAND IR3109 USED / TESTED SMD version mounted on dip adapter. Five available, and one with a broken leg, message for details or to buy multiple IR3109 VCF CHIP for ROLAND SH-101 and many others. Chip has been carefully pulled from a working synth and tested, and works as expected. Used in SH101, MC202, Jupiter4/Promars (late version), Jupiter 6, Jupiter 8, Juno 6, Juno 60, JX3P, MKS80 Original Roland IR3109 IC chip for Jupiter 8 / Juno 6 / Juno 60 / SH-101 synthesizers, fully functional. The SH-09 is an awesome little synth, and the filter is just amazing. The Roland filter in this (and some others is typically a cascaded four pole OTA based filter. lsk, uui, ojw, lmy, qnc, npx, geq, pfu, zsz, tdi, myd, pvv, oyh, iiu, vcn, \