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This list shows the different types of custom IC's in the audio path of the polyphonic analog synthesizers from Roland.
Where several models are grouped together, it's because they have identical or very similar voice architecture.
| Model | Oscillator | VCF | VCA | Envelope | BBD (chorus) | | Juno-1/2 MKS-50 | MB87123P-G | IR3R05 | M5241 | Software generated | none | | Juno-6/60 | Std. IC's | IR3109 | BA662 | IR3R01 | MN3009/MN3101 | | Juno-106 | MC5534A | A1QH800170 (see note) | uPC1252H2 BA662 | Software generated | MN3009/MN3101 | | JX-3P | Std. IC's | IR3109 | Discrete | Software generated | MN3009/MN3101 | | MKS-30 | Std. IC's | A1QH800170 (see note) | BA662 | Software generated | MN3009/MN3101 | | JX-8P/10 MKS-70 | Std. IC's | IR3R05 | M5241 | Software generated | MN3009/MN3101 | | MKS-80.1 Jupiter-6 | CEM3340 | IR3109 | EHM-5226W83S MPC1252H2 CEM3360 BA662 | Software generated | none | | MKS-80.2 | IR3R03 | IR3R05 | MPC1252H2 CEM3360 BA662 | Software generated | none | | Jupiter-4 | Std. IC's | IR3109 | BA662 | Std. IC's | MN3004/MN3101 | | Jupiter-8 | Std. IC's | IR3109 | BA662 | IR3R01 | none | | Note: The A1QH800170 is a surface mounted module which contains the IR3109 filter
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