BOSS RPH-10 uses Roland VCF chip. Other phaser-filters?
A to Synth: Roland resistor nets for the IR3109
reverse engineering the IR3109 - MOD WIGGLER
Original Roland IR3109 IC Analog VCF Filter Chip for Jupiter 8 / Juno 6 / Juno 60 / SH-101 Synth | Reverb
Yáge@ on Twitter: "SHARP IR3109 datasheet #sdiy https://t.co/s9KZqz27LQ" / Twitter
IR3109 VCF clean | J B | Flickr
80017a / ir3109 exponential converter · sinneb
IR3109 Sharp | Price Comparison and Datasheets | Octopart
Roland Promars Spare Parts – Vintage Synth Parts
Spheremusic - Bargain or auction detail
All about the IR3109 chip @ AMSynths
All about the IR3109 chip @ AMSynths
Stream Shruthi Roland IR3109 by twobkniddlers | Listen online for free on SoundCloud
Roland IR3109 Filter IC - IR 3109 vintage synth parts | #167428402
MATRIXSYNTH: Analogue Renaissance AR3109T Roland IR3109 Chip Replacement
IR3109 VCFs | Yotsuba&! | Flickr
IR3109 Semiconductor - Buy from Littlediode
reverse engineering the IR3109 - MOD WIGGLER
Roland IR3109 filter chip | Synthforum
MATRIXSYNTH: Mutable Instruments Shruthi-1 w/ Roland IR3109 Jupiter Filter Chip
reverse engineering the IR3109 - Page 3 - MOD WIGGLER
